СПОСОБ И СИСТЕМА ОХЛАЖДЕНИЯ БЛОКА ЦИЛИНДРОВ ДВИГАТЕЛЯ (ВАРИАНТЫ)

Изобретение может быть использовано в двигателях внутреннего сгорания. Способ охлаждения блока (200) цилиндров двигателя содержит следующие этапы. Охлаждение головки блока цилиндров первым хладагентом. Охлаждение блока цилиндров (200) вторым хладагентом. Второй хладагент протекает по двум каналам (321, 322). Каналы выполнены в блоке (200) цилиндров и проходят к поверхности (370), находящейся в контакте с головкой блока цилиндров. Второй хладагент представляет собой жидкость, отличающуюся от первого хладагента. Охлаждение ряда межцилиндровых перемычек (205), имеющих перекрестное сверление первым хладагентом при поддержании разделения между каналами, содержащими первый и второй хладагенты. Межцилиндровые перемычки (205) содержат входные (315) и выходные (316) отверстия, перфорирующие поверхность между двумя каналами (321, 322) вдоль поверхности (370). Межцилиндровые перемычки (205), имеющие перекрестное сверление, расположены между соседними цилиндрами блока (200) цилиндров. Раскрыты варианты ...

Kühlwasserkanalstruktur eines Verbrennungsmotors

Kühlwasserkanalstruktur eines Verbrennungsmotors, umfassend einen zylinderblockseitigen Kühlwasserkanal, einen zylinderkopfseitigen Kühlwasserkanal, einen Wärmetauscher und Kühlwasserkanalleitungen. Der zylinderblockseitige Kühlwasserkanal ist innerhalb eines Zylinderblocks ausgebildet damit das Kühlwasser hindurch fließt. Der zylinderkopfseitige Kühlwasserkanal ist innerhalb eines Zylinderkopfs ausgebildet damit das Kühlwasser hindurch fließt. Der Wärmetauscher ist ausgebildet um die Wärme des Kühlwassers an die Außenluft abzugeben um die Temperatur des Kühlwassers zu senken. Die Kühlwasserkanalleitung koppelt den Wärmetauscher und den Motor um Kühlwasser auszutauschen. Der Zylinderkopf umfasst einen Kühlwassereinlass. Die Kühlwasserkanalleitung ist mit dem Kühlwassereinlass gekoppelt. Das Kühlwasser fließt von dem Wärmetauscher in den Kühlwassereinlass.

Motorkühlsystem für ein Motorrad

Ein erfindungsgemäßes Motorkühlsystem für ein Motorrad umfasst einen Motor (11), der ein Kurbelgehäuse (13) und einen Zylinder umfasst, eine Wasserpumpe (38) um den Motor (11) mit Kühlwasser zu versorgen, und einen Kühler (37), der Wärme von intern zirkulierenden Kühlwassers durch Aufnahme eines Fahrtwindes ableitet. Die Wasserpumpe (38) ist elektrisch betrieben, umfasst einen Antriebsmotor (45), und ist unabhängig von dem Kurbelgehäuse (13) angeordnet.

Cooling system two-stroke spark-ignition internal combustion engine

The cooling system has separate cooling circuits (40,42) for the cylinder block (35) and for the cylinder head (36). When the engine is started the cooling capacity of the cylinder head cooling system is greater than that of the cylinder block cooling system. The temperature of the of the cooling water is regulated by a computerised controller (44,45). The temperature regulator increases the cooling capacity of the cylinder block cooling system after the temperature of the cooling water in the cylinder head cooling system reaches a pre-set threshold.

Zylinderblock für einen Verbrennungsmotor

Ein Motor und ein Verfahren zum Bilden eines Motors sind bereitgestellt. Der Motor weist einen Block auf, der einen Kühlmantel definiert, der sich kontinuierlich um einen Außenumfang des ersten und des zweiten zusammengegossenen Zylinders erstreckt. Der Block definiert eine Reihe von Kopfschraubenbohrungen, die eine Deckfläche schneiden, sodass jeder Zylinder von vier Bohrungen umgeben ist. Der Mantel hat einen ersten Boden und einen zweiten Boden. Der zweite Boden ist über dem ersten Boden versetzt und erstreckt sich entlang einer Einlassseite des Blocks zwischen Mittelpunkten des ersten bzw. zweiten Zylinders. Der zweite Boden ist dazu ausgelegt, eine Beziehung zwischen dem Kühlmantel und der Reihe von Bohrungen für jeden Zylinder zu lösen und einen Bohrungsverzug der vierten Ordnung für jeden Zylinder zu verringern.

Preheating system for IC engine - stores waste heat as latent heat and uses salt solution changing from crystalline to liquid form releasing heat to oil circuit

The preheating system for an internal combustion engine stores the waste heat obtd. when the engine is in operation. It uses a latent heat store, which functions as a heat exchanger to supply or absorb the necessary energy. It also includes a switch to release the required heat. The latent heat store is incorporated in the coil circuit. The latent heat store (6) uses a salt solution, which changes from a crystalline form to a liq. form thus releasing the latent heat. The heat is given off to the coil circuit of the engine via the oil pump (4) driven by a motor (15), which pumps lubricating oil whose viscosity will be reduced. This will therefore reduce the consumption of the starter.

Engine has flow rate adjustment member that increases amount of cooling medium that flows into suction port side rather than exhaust port side of head cooling flow path

Cooling medium is supplied to water jackets (8) from a head cooling flow path (14) formed at the periphery of suction ports (12) and exhaust ports (13) of a cylinder head (3). A flow rate adjustment member (16) increases the amount of cooling medium that flows into the suction port side of the head cooling flow path rather than the exhaust port side.

Kühlvorrichtung für einen Verbrennungsmotor

Kühlvorrichtung für einen Verbrennungsmotor, aufweisend: einen Zylinderkopf-Kühlwasserdurchgang, der in einem Zylinderkopf ausgebildet ist, einen ersten Zufuhrdurchgang, bei dem ein Ende mit einer Ausstoßseite einer Wasserpumpe verbunden ist und das andere Ende mit dem Zylinderkopf-Kühlwasserdurchgang verbunden ist, einen Zylinderblock-Kühlwasserdurchgang, der in einem unter dem Zylinderkopf bereitgestellten Zylinderblock ausgebildet ist, einen Verbindungsabschnitt zum Verbinden des Zylinderkopf-Kühlwasserdurchgangs mit dem Zylinderblock-Kühlwasserdurchgang, einen äußeren Strömungsdurchgang, bei dem ein Ende mit jedem von dem Zylinderkopf-Kühlwasserdurchgang und dem Zylinderblock-Kühlwasserdurchgang verbunden ist und das andere Ende mit einer Saugseite der Wasserpumpe verbunden ist, einen zweiten Zufuhrdurchgang, bei dem ein Ende mit der Ausstoßseite der Wasserpumpe verbunden ist und das andere Ende mit dem Zylinderblock-Kühlwasserdurchgang verbunden ist, ein zwischen dem Zylinderblock-Kühlwasserdurchgang ...

Engine cooling system for automobiles has main thermostat that operates at lower temperature than auxiliary thermostat, and auxiliary thermostat that supplies part of cooling water to outlet line of cylinder block in closed state

A main thermostat (120) is provided in the outlet line of a cylinder head (110). An auxiliary thermostat (130) is provided in the outlet line of a cylinder block (100) and is connected to the outlet line of the cylinder head. The main thermostat operates at a lower temperature than the auxiliary thermostat that supplies a part of the cooling water to the outlet line of the cylinder block in the closed state.

Motorkühlsystem eines Kraftfahrzeuges

Motorkühlsystem eines Kraftfahrzeuges, wobei einem Zylinderkopf (110) und einem Zylinderblock (100) mittels einer Wasserpumpe (20) Kühlwasser zugeführt wird und die Zirkulation des Kühlwassers wahlweise durch die Wasserpumpe (20) oder einen Kühler (10) hindurchgeleitet wird, wobei das Kühlwasser jeweils dem Zylinderkopf (110) und dem Zylinderblock (100) über zwei separate Einlassleitungen (111, 101) zugeführt wird, und wobei das Motorkühlsystem mit zwei Thermostaten ausgestattet ist, aufweisend: einen Hauptthermostat (120), der in einer Auslassleitung (112) des Zylinderkopfes (110) angeordnet ist, und einen Hilfsthermostat (130), der in einer Auslassleitung (102) des Zylinderblockes (100) angeordnet und über eine Bypassleitung (103) mit der Auslassleitung (112) des Zylinderkopfes (110) zustromseitig des Hauptthermostats (120) verbunden ist, wobei der Hauptthermostat (120) bei einer geringeren Temperatur als der des Hilfsthermostats (130) in einen geöffneten Zustand regelt und der Hilfsthermostat ...

Engine cylinder block

Flexible fuel generator and methods of use thereof

FLÜSSIGKEITSGEKÜHLTER ZYLINDERBLOCK

Die Erfindung betrifft einen flüssigkeitsgekühlten Zylinderblock (1) für eine Brennkraftmaschine, mit zumindest einem Zylinder (2), welcher von einem zumindest einen Eintritt (5) und zumindest einen Austritt (6) für Kühlmittel aufweisenden Kühlmantel (4) umgeben ist, wobei im Kühlmantel (4) zumindest eine Leitrippe (7)angeordnet ist, welche den Kühlmantel (4) in zumindest zwei Bereiche (45, 46) teilt, die unterschiedliche Entfernungen von einer Zylinderkopfdichtebene (11) aufweisen. Um die Kühlung im Zylinderblock (1) zu verbessern ist vorgesehen, dass sich die Leitrippe (7) über einen ersten Winkel (α) von etwa 150° bis 240°, vorzugsweise etwa 180°, um die Zylinderachse (2a) erstreckt, wobei besonders vorzugsweise die Leitrippe (7) nur auf der dem Eintritt (5) gegenüberliegenden Seite der Motorlängsebene (1a) angeordnet ist.

FLÜSSIGKEITSGEKÜHLTER ZYLINDERBLOCK

Die Erfindung betrifft einen flüssigkeitsgekühlten Zylinderblock (1) für eine Brennkraftmaschine, mit zumindest einem Zylinder (2), welcher von einem zumindest einen Eintritt (5) und zumindest einen Austritt (6) für Kühlmittel aufweisenden Kühlmantel (4) umgeben ist, wobei im Kühlmantel (4) zumindest eine Leitrippe (7)angeordnet ist, welche den Kühlmantel (4) in zumindest zwei Bereiche (45, 46) teilt, die unterschiedliche Entfernungen von einer Zylinderkopfdichtebene (11) aufweisen. Um die Kühlung im Zylinderblock (1) zu verbessern ist vorgesehen, dass sich die Leitrippe (7) über einen ersten Winkel (α) von etwa 150° bis 240°, vorzugsweise etwa 180°, um die Zylinderachse (2a) erstreckt, wobei besonders vorzugsweise die Leitrippe (7) nur auf der dem Eintritt (5) gegenüberliegenden Seite der Motorlängsebene (1a) angeordnet ist.

A method for securely managing a lock, especially for a safe, by means of a computer

Zum sicheren Administrieren eines Schlosses (11), insbesondere für einen Safe, mittels eines Computers (14) wird vorgeschlagen, dass man einen Initialschlüssel und einen Kundenschlüssel erzeugt, den Kundenschlüssel in einem Dongle (15) abspeichert und dass man an den Computer eine gesicherte Eingabeeinheit (16) anschließt. Kundenschlüssel und Initialschlüssel können ein asymmetrisches Schlüsselpaar bilden, oder aber beide können symmetrisch sein. Im ersten Fall wird der Initialschlüssel im Schloss (11) gespeichert, im zweiten Fall zusätzlich in einer Datei (17), die nur mit dem Kundenschlüssel entschlüsselt werden kann. Mittels des Kundenschlüssels und des Initialschlüssels wird zwischen Computer (14) oder Eingabeeinheit (16) einerseits und dem Schloss (11) andererseits ein Session-Schlüssel ausgehandelt, wonach die in der Eingabeeinheit (16) eingegebene Information mit dem Session-Schlüssel verschlüsselt an das Schloss (11) übermittelt wird. Auf diese Weise kann eine sichere Verbindung ...

INTERNAL COMBUSTION ENGINE WITH A ZYLINDERKURBELGEHÄUSE

Die Erfindung betrifft Brennkraftmaschine mit einem Zylinderkurbelgehäuse (1) mit zumindest zwei nebeneinander angeordneten Zylindern (2), mit jeweils einer nassen Zylinderlaufbuchse (3), welche von einer Stützstruktur (4) aufgenommen ist, wobei zwischen der Stützstruktur (4) und der Zylinderlaufbuchse (3) ein Kühlmittelmantel (5) angeordnet ist, mit einem eine Zylinderkopfdichtfläche (6) ausbildenden geschlossenen Oberdeck (7), wobei im Bereich einer Motorquerebene (8) zwischen zwei Zylindern (2) zumindest eine erste Schraubenaufnahme (9) für eine Zylinderkopfschraube (28) angeordnet ist. Um eine optimale Kühlung ohne Dichtheitsproblemen zu ermöglichen ist vorgesehen, dass die erste Schraubenaufnahme (9) vom Oberdeck (7) beabstandet ist, wobei die Stützstruktur (4), das Oberdeck (7) und ein die erste Schraubenaufnahme (9) und die Stützstruktur (4) verbindendes Zwischendeck (19) einen vom Kühlmittelmantel (5) getrennten Zwischenraum (27) zwischen jeweils zwei Zylindern (2) aufspannen, welcher ...

IMPROVED TWO CYCLE, OPPOSED-PISTON INTERNAL COMBUSTION ENGINE

INTERNAL COMBUSTION ENGINE WITH HYBRID COOLING SYSTEM

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

Typically, an engine-compressor for compressing natural gas for use as a fuel has a single cooling circuit to cool both its combustion unit and compression unit. A single cooling circuit design is not ideal because the optimal temperature for the combustion unit is higher than the compression unit of the engine-compressor. The present invention provides a dual zone cooling system to cool the combustion unit separately from the compression unit.

Liquid-cooled internal combustion engine.

Die vorliegende Erfindung betrifft einen flüssigkeitsgekühlten Verbrennungsmotor, bestehend aus einem mehrere Zylinder umfassenden Motorblock (100) und die Zylinder verschliessenden Zylinderköpfen (200), wobei jeder Zylinder von jeweils einem Kühlmantel (11, 12) umgeben ist und in jedem Zylinderkopf mindestens ein separater Kühlraum (20, 30) vorgesehen ist, der über wenigstens einen Verbindungskanal (25, 26) mit dem Kühlmantel des zugeordneten Zylinders verbunden ist, wobei die Verbindungskanäle von wenigstens zwei Zylindern über eine Druckausgleichkammer (60) miteinander verbunden sind.

The insulation part of the wall of the cylinder, internal combustion engine and automobile

A SYSTEM FOR COOLING A RECIPROCATING-PISTON-TYPE INTERNAL COMBUSTION ENGINE OF THE DIESEL TYPE

ENGINE COOLING SYSTEM

IMPROVED FILM-COOLED INTERNAL COMBUSTION ENGINE

The present invention provides an improved internal combustion engine that uses film cooling. Improved fuel efficiency and other parameters are achieved through the design and use of the present invention.

INTERNAL COMBUSTION ENGINE

The invention relates to an internal combustion engine comprising a cylinder block (1) with at least two cylinders (8) and at least two exhaust valves (12) per cylinder (8), a slit (28) in the cylinder block (1) between each pair of cylinders (8), and a cooling system which comprises an inlet opening (36) for cooling liquid (20), formed in the cylinder block (1), an outlet opening (42) for cooling liquid (20), formed in a cylinder head (2), a restriction member (34) which is arranged in the cylinder block (1) and guides most of the cooling water flow to an intake side (38) of the cylinder block (1), and cooling liquid channels (18a - 18e) in the cylinder head (2) which are chiefly located on an exhaust side (40) of the cylinder head (2). The cooling liquid channels (18a - 18e) open into the cylinder head (2) in an area between the exhaust valve seats (16) for each cylinder (8) and thereby regulate at the same time the flow and cooling around the cylinder liners (32) and between the exhaust ...

Split Cooling System for an Internal Combustion Engine

The invention relates to a split cooling circuit (16) of an internal combustion engine (17), with a cylinder head water jacket (18) and an engine block water jacket (19) being provided. The split cooling circuit (16) has a pump (21), a radiator (22), a thermostat (23) and a heater core (24), with a coolant circulating in the split cooling circuit (16). To considerably reduce a warm-up phase of the internal combustion engine, the thermostat (23) is arranged to simultaneously control a flow of the coolant through the engine block water jacket (19) and through the radiator (22) when the coolant exceeds a predetermined temperature.

Process and device for the rapid warmup and thermal regulation of the lubricating oil of an internal combustion engine

Process and apparatus for the rapid warmup and thermal regulation of the lubricating oil (18) of an internal combustion engine of the type cooled by a cooling fluid (12) with a high specific heat and slight viscosity such as a water-additives mixture, circulating around the cylinders (6) or liners (8) of this engine. According to the invention, this process consists in a heat exchange between this cooling fluid (12) and lubricating oil (18) at the upper zones of these cylinders or these liners, this oil (18) being able to pick up the calories coming from the cylinder head (2) of this engine to transfer them to this cooling fluid (12). Application: particularly to cooling and lubricating of internal combustion engines.

Control device for internal combustion engine

An internal combustion engine includes a water jacket, a cooling water pump as a cooling liquid pump, and an adjusting valve. A control device for the internal combustion engine executes the water stoppage control of increasing the temperature of the engine body by limiting the discharge of the cooling liquid from the water jacket by the adjusting valve, and an automatic stop and automatic startup control of automatically stopping and automatically starting the internal combustion engine. The control device increases the fuel injection amount for automatically starting the internal combustion engine in a case where the water stoppage control is being executed when the internal combustion engine is automatically stopped as compared with a case where the water stoppage control is not being executed when the internal combustion engine is automatically stopped.

COOLING SYSTEM OF ENGINE

A cooling system of an engine may include a cylinder liner formed in a hollow cylindrical shape and pressed against an inside of a cylinder of the engine, a block coolant jacket positioned in an outer side of the cylinder liner in a radial direction to cool a cylinder block, the cylinder block provided with the cylinder liner and the block coolant jacket therein, and a cylinder head engaged on the cylinder block, including an exhaust port and an intake port fluidically-communicated with a combustion chamber and respectively formed at an exhaust side and an intake side, and provided with a head coolant jacket inside, in which the block coolant jacket includes an upper coolant jacket and a lower coolant jacket and a division wall is disposed between the upper coolant jacket and the lower coolant jacket to block fluid flow therebetween.

OPPOSED PISTON ENGINE

HEAT STORAGE APPARATUS AND ENGINE INCLUDING THE SAME

Cooling system for an intenal combustion engine of a motor vehicle

COOLING WATER CIRCULATION STRUCTURE OF INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To provide a cooling water circulation structure of internal combustion engine in which a cooling water flows to corners of a cylinder block and a water jacket of cylinder head with no deviation to be capable of efficiently cooling a whole device with good flow efficiency and a lay out of water piping is also easy. SOLUTION: In the cooling water circulation structure of an internal combustion engine, a cooling water inlet 90 and a cooling water outlet 93 are provided side by side on the same side surface close to a cylinder block 22 and a water pump 86 of a cylinder head 23 of a multi-cylinder internal combustion engine 20 respectively. A water jacket 22c at a cylinder block side and a water jacket 23c at a cylinder head side are communicated by communication passages 92c, 23g provided on an opposite side surface to circulate the cooling water. COPYRIGHT: (C)2001,JPO ...

ENGINE, AND SMALL PLANING BOAT

PROBLEM TO BE SOLVED: To provide an engine capable of preventing a cylinder block from being excessively cooled while sufficiently cooling parts that are heated to relatively high temperature such as an exhaust system, and a small planing boat provided with the engine. SOLUTION: Two water intake ports 40a and 40b are provided on a water jet pump P, and cooling water taken from the water intake ports 40a and 40b is fed through an exhaust manifold 31, an exhaust tube 32, etc., to a water jacket W2 of a cylinder head Ch to be supplied to a water jacket W3 of a cylinder block Cb. In addition, part of cooling water circulating through the water jacket W2 and W3 is sent through a third cooling water tube 53 to be supplied to the water jacket W3 again. Size D1 of the water jacket W3 in a stroke direction of a piston Ps is half of stroke length D2 of the piston Ps or less. COPYRIGHT: (C)2004,JPO ...

СИСТЕМА ОХЛАЖДЕНИЯ

Изобретение относится к системе охлаждения двигателя внутреннего сгорания. Система охлаждения содержит канал охлаждения, выполненный в корпусе двигателя, причем канал охлаждения выполнен с возможностью переноса объемного потока хладагента для охлаждения корпуса двигателя; и один или более дополнительных каналов охлаждения, выполненных в корпусе двигателя, каждый из которых выполнен с возможностью введения потока хладагента в канал охлаждения; при этом в корпусе двигателя имеются одна или более высокотемпературных областей, имеющих более высокую температуру, чем одна или более низкотемпературных областей корпуса двигателя; причем дополнительные каналы охлаждения выполнены с возможностью направлять вводимый поток хладагента в сторону одной или более высокотемпературных областей. Изобретение обеспечивает повышение эффективности охлаждения и уменьшение расхода хладагента. 3 н. и 16 з.п. ф-лы, 4 ил.

Технология охлаждения двигателя внутреннего сгорания

СПОСОБ И СИСТЕМА ОХЛАЖДЕНИЯ БЛОКА ЦИЛИНДРОВ ДВИГАТЕЛЯ (ВАРИАНТЫ)

... 1. Способ, содержащийохлаждение головки блока цилиндров первым хладагентом,охлаждение блока цилиндров вторым хладагентом, причем второй хладагент представляет собой жидкость, отличающуюся от первого хладагента, иохлаждение ряда межцилиндровых перемычек первым хладагентом при поддержании разделения между каналами, содержащими первый и второй хладагенты, при этом указанные межцилиндровые перемычки расположены между соседними цилиндрами блока цилиндров.2. Способ по п. 1, отличающийся тем, что первым хладагентом является вода, а вторым хладагентом является масло.3. Способ по п. 1, отличающийся тем, что охлаждение ряда межцилиндровых перемычек включает в себя циркуляцию первого хладагента через каналы, расположенные в каждой из межцилиндровых перемычек.4. Способ по п. 1, отличающийся тем, что охлаждение головки блока цилиндров и блока цилиндров включает в себя циркуляцию первого и второго хладагентов через головку блока цилиндров и блок цилиндров соответственно.5. Способ по п. 1, отличающийся ...

Durch Flüssigkeit gekühlte Hubkolbenbrennkraftmaschine

Die Erfindung geht von einer durch Flüssigkeit gekühlten Hubkolbenbrennkraftmaschine (10) mit einem Zylinderkopf (12) und einem Zylinderblock (14) aus, deren Kühlflüssigkeitsräume über getrennte Einlassleitungen (34, 36) an einem Kühlkreislauf (16) angeschlossen sind, der mindestens eine Wasserpumpe (18), einen Kühler (20) mit einem Lüfter (24) enthält, wobei die Wasserpumpe (18) über eine Druckleitung (32) Kühlflüssigkeit zu den Einlassleitungen (34, 36) fördert und mindestens in einer Einlassleitung (34, 36) ein Regelventil (42) angeordnet ist, das den Volumenstrom in Abhängigkeit von Betriebsparametern der Hubkolbenbrennkraftmaschine (10) steuert. Es wird vorgeschlagen, dass die Kühlflüssigkeitsräume des Zylinderkopfs (12) und des Zylinderblocks (14) voneinander getrennt und über getrennte Auslassleitungen (38, 40) an einer gemeinsamen Rückströmleitung (26) angeschlossen sind.

Gezielte Kühlung mit individualisierten Zuführöffnungen zu Zylindern

Kühlsystem für einen Motor, welcher eine Vielzahl von Kolbenzylindern aufweist. Das Kühlmittelsystem kann eine Quelle für ein flüssiges Kühlmittel, welche ein flüssiges Kühlmittel aufweist, und ein Zylinderkühldurchgangsnetzwerk mit einem Einlass und einem Auslass zum Empfangen und Weiterleiten des flüssigen Kühlmittels umfassen. Das Zylinderkühldurchgangsnetzwerk weist eine Vielzahl von einzelnen oberstromigen strömungstechnischen Durchgängen auf, von denen jeder fluidtechnisch mit dem Einlass gekoppelt ist, um das flüssige Kühlmittel direkt von der Quelle für ein flüssiges Kühlmittel in paralleler Strömung zu empfangen. Das Zylinderkühldurchgangsnetzwerk weist ferner eine Vielzahl von Zylindermanteldurchgängen auf, von denen sich jeder um zumindest einen Abschnitt eines entsprechenden der Vielzahl von Kolbenzylindern herum erstreckt und unmittelbar benachbart dazu positioniert ist. Die Zylindermanteldurchgänge sind fluidtechnisch direkt mit einem entsprechenden der Vielzahl von einzelnen ...

Motorkühlsystem

Motorkühlsystem mit einem Kühlmitteleinlass, der an einer Seite des Zylinderblocks eines Verbrennungsmotors ausgebildet ist und mittels dessen ein Kühlmittel separat in den Zylinderblock und in den Zylinderkopf des Verbrennungsmotors hineinströmen kann, und einem Kühlmittelauslass, der an der anderen Seite des Zylinderkopfs ausgebildet ist und mittels dessen das in den Zylinderblock und in den Zylinderkopf eingeströmte Kühlmittel separat aus dem Zylinderblock und aus dem Zylinderkopf ausströmen kann. Der Kühlmittelauslass ist diagonal gegenüberliegend zum Kühlmitteleinlass ausgebildet. Das von einer Wasserpumpe gelieferte Kühlmittel strömt separat in den Zylinderblock und in den Zylinderkopf hinein, wodurch die Kühleffizienz des Verbrennungsmotors verbessert ist.

LAUFBUCHSE FÜR EINEN MOTORZYLINDER MIT UNTERER LAUFBUCHSENHALTERUNG

Es ist eine Zylinderlaufbuchse (28) für eine Zylinderbohrung (20) eines Verbrennungsmotors (10) vorgesehen. Die Zylinderlaufbuchse (28) umfasst einen hohlzylindrischen Körper (29) und einen zwischen einer Seitenwand (24) der Zylinderbohrung (20) und einer Außenfläche (48) der Zylinderlaufbuchse (28) definierten Kühlmittelhohlraum (46). In der Außenfläche (48) der Zylinderlaufbuchse (28) ist eine Vielzahl von unteren Dichtungsnuten (52, 53, 54) vorgesehen. Eine untere Laufbuchsenhalterung (56) ist zwischen einer obersten der unteren Dichtungsnuten (52) und dem Kühlmittelhohlraum (46) angeordnet. Die untere Laufbuchsenhalterung (56) weist eine in einer Umfangsrichtung asymmetrische Ausgestaltung auf, so dass ein Abstand zwischen der Seitenwand (24) der Zylinderbohrung (20) und der Außenfläche (48) des zylindrischen Körpers (29) in einem eine Schub-/Gegenschubebene (60) umgebenden Bereich relativ kleiner und in einem eine senkrechte Ebene (62) umgebenden Bereich relativ größer ist.

Flüssigkeitsgekühlte Brennkraftmaschine mit mindestens einem Zylinderrohr und Verfahren zur Herstellung eines zugehörigen Zylinderrohres

Brennkraftmaschine mit- mindestens einem Zylinderkopf mit mindestens einem Zylinder (3), und- mindestens einem Zylinderblock zur Aufnahme mindestens eines Kolbens (1), bei der- jeder Zylinder (3) einen Brennraum (3b) umfasst, der durch den zylinderzugehörigen Kolben (1), ein Zylinderrohr (2) und den mindestens einen Zylinderkopf mit ausgebildet ist, wobei der Kolben (1) entlang einer Zylinderlängsachse (3a) zwischen einem oberen Totpunkt OT und einem unteren Totpunkt UT unter Ausbildung eines Kolbenhubs s translatorisch verschiebbar ist,- der Zylinderblock mit einer Flüssigkeitskühlung ausgestattet ist, wobei der Zylinderblock zur Ausbildung einer Flüssigkeitskühlung mit mindestens einem integrierten Kühlmittelmantel (5) ausgestattet ist,- eine Wandung (2a) des zylinderzugehörigen Zylinderrohres (2) mindestens einen Kühlmittelmantel (5) zumindest bereichsweise mit begrenzt, in der Art, dass eine Außenseite (2b) des Zylinderrohres (2) mit Kühlmittel (5a) beaufschlagt ist, und- eine Wandstärke ...

A cooling system

A cooling system for a motor vehicle engine

A cooling system for an engine

I.c. engine water-cooled cylinder block

In the cylinder block 1, the lower end of an outer wall 30 and a cylinder wall 10 are joined by a base wall 20 to define a water jacket into which coolant is led. The base wall 20 has a cranked part 21. As a result, the rigidity of the base wall is decreased in such a way that transmission of the axial tension of the head bolt (in screw bore 31) to the cylinder wall 10 is suppressed, avoiding deformation of the cylinder wall. In a modification (fig.3) the jacket base wall 20 has three bent parts each with a crank-shaped vertical cross section. The cylinder wall may taper (fig.4) so that it becomes progressively thicker from its upper end to where it reaches the water jacket base wall 20; the average thickness is reduced, making the engine lighter, and moulding is easier.

Engine cooling system with independent control of coolant supply through a cylinder head and a cylinder block

A cooling system for an internal combustion engine comprises a cooling circuit including passages formed in a cylinder block 6 and in a cylinder head 10 of the engine and at least one conduit connecting the passages in the cylinder block and cylinder head to an inlet to a pump 1 used to circulate the coolant through the cooling circuit, where the pump is a variable flow rate pump controlled by an electronic control unit. The coolant passages in the cylinder block are connected by a first coolant supply conduit 5 to an outlet from the pump, the coolant passages in the cylinder head are connected by a second coolant supply conduit 4 to an outlet from the pump, and the flow through at least one of the first and second coolant supply conduits is controlled by an electronically controlled flow control valve 2, (103, figure 2) operably connected to an electronic controller which is used to control the opening and closing of the electronically controlled flow control valve. The flow through the ...

Marine motor with an exhaust gas recirculation system

There is provided an internal combustion engine, such as a marine outboard engine (2, figure 1) having an internal combustion engine 100 having an engine block 110 with at least one cylinder, an air intake 120, and an exhaust conduit 130 configured to direct a flow of exhaust gas, and an exhaust gas recirculation (EGR) system 140 which recirculates exhaust gas. The exhaust gas recirculation system includes a first EGR circuit 141 with at least one first heat exchanger 151 having a first overall conductance, and includes a second exhaust gas recirculation circuit 145 with at least one second heat exchanger 152 having a second overall conductance which is greater than the first. A flow control means 143, 147, such as a pair of control valves, selectively varies the relative proportions of first and second flows of recirculated exhaust gas through the two EGR circuits.

Cooling Delivery Matrix

A reciprocating-piston internal combustion engine

A cooling system

FLÜSSIGKEITSGEKÜHLTE BRENNKRAFTMASCHINE MIT ZUMINDEST ZWEI ZYLINDERN

ZYLINDERBLOCK FÜR EINE WASSERGEKÜHLTE BRENNKRAFTMASCHINE

FLÜSSIGKEITSGEKÜHLTE BRENNKRAFTMASCHINE MIT ZUMINDEST ZWEI ZYLINDERN

FLÜSSIGKEITSGEKÜHLTE BRENNKRAFTMASCHINE

Die Erfindung betrifft eine flüssigkeitsgekühlte Brennkraftmaschine mit zumindest einem einen Kühlmantel (1) aufweisenden Zylinderblock mit mehreren Zylindern (9), wobei der Kühlmantel (1) einen einem Kurbelraum zugewandten Boden (2) und eine einer Zylinderkopfdichtebene zugewandten Decke (3) aufweist und der Boden (2) - in einer Seitenansicht auf den Zylinderblock betrachtet - einen wellenartigen Verlauf aufweist, wobei der in Richtung der Zylinderachse (4) gemessene Abstand (H) des Bodens (2) des Kühlmantels (1) von der Decke (3) im Bereich zumindest einer die Zylinderachse (4) beinhaltenden ersten Motorquerebene (7) größer ist als im Bereich zumindest einer zweiten Motorquerebene (5) zwischen zwei benachbarten Zylindern (9). Um die Zylinderverformung zu reduzieren ist vorgesehen, dass der Abstand (H2 ) des Bodens (2) des Kühlmantels (1) von der Decke (3) in zumindest einem stirnseitigen Bereich (8) des Kühlmantels (1) - vorzugsweise im Bereich einer durch Zylinderachsen (4)aufgespannten ...

BRENNKRAFTMASCHINE MIT EINEM FLÜSSIGGEKÜHLTEN ZYLINDERBLOCK

Die Erfindung betrifft eine Brennkraftmaschine (1) mit einem flüssiggekühlten Zylinderblock (2) für mindestens einen Zylinder (3), mit zumindest einer Zylinderlaufbuchse (4), wobei der Zylinder (3) in einem an ein Feuerdeck (5) grenzenden Bereich sowohl einlassseitig, als auch auslassseitig von zumindest einem zwischen Zylinderlaufbuchse (4) und Zylinderblock (2) ausgebildeten und im wesentlichen ringförmigen Kühlmantel (8) umgeben ist, wobei der Kühlmantel (8) über zumindest eine Zulauföffnung (9) mit einem Zulaufkanals (10) und über zumindest eine Ablauföffnung (12) mit einem Ablaufkanal (13) strömungsverbunden ist. Um Art die Kühlung des Zylinderblockes (2) im Bereich des Feuerdecks (5) zu verbessern, ist vorgesehen, dass der Kühlmantel (8) zusätzlich zum Zulaufkanal (10) und Ablaufkanal (13) über zumindest eine Verbindungsbohrung (15, 16) mit dem Zulaufkanal (10) und/oder einem Kühlmittelverteilerkanal (11) und/oder einem Kühlmittelsammelkanal (14) verbunden ist.

A method for securely managing a lock, especially for a safe, by means of a computer

Zum sicheren Administrieren eines Schlosses (11), insbesondere für einen Safe, mittels eines Computers (14) wird vorgeschlagen, dass man einen Initialschlüssel und einen Kundenschlüssel erzeugt, den Kundenschlüssel in einem Dongle (15) abspeichert und dass man an den Computer eine gesicherte Eingabeeinheit (16) anschließt. Kundenschlüssel und Initialschlüssel können ein asymmetrisches Schlüsselpaar bilden, oder aber beide können symmetrisch sein. Im ersten Fall wird der Initialschlüssel im Schloss (11) gespeichert, im zweiten Fall zusätzlich in einer Datei (17), die nur mit dem Kundenschlüssel entschlüsselt werden kann. Mittels des Kundenschlüssels und des Initialschlüssels wird zwischen Computer (14) oder Eingabeeinheit (16) einerseits und dem Schloss (11) andererseits ein Session-Schlüssel ausgehandelt, wonach die in der Eingabeeinheit (16) eingegebene Information mit dem Session-Schlüssel verschlüsselt an das Schloss (11) übermittelt wird. Auf diese Weise kann eine sichere Verbindung ...

IMPROVED SECONDARY ACT FUEL FORCE ENGINE WITH GEGENKOLBEN

Cooling system for spark-ignition two-stroke engine

Marine motor with a dual-flow exhaust gas recirculation system

There is provided a marine motor (2) having an internal combustion engine (100) having an engine block (110) with at least one cylinder, an air intake (120), an exhaust conduit (130) configured to direct a flow of exhaust gas from the at least one cylinder, and an exhaust gas recirculation system (140) configured to recirculate a portion of the flow of exhaust gas from the exhaust conduit to the air intake. The exhaust gas recirculation system (140) includes a first exhaust gas recirculation circuit (141) with at least one first EGR cooler (151) having a first overall conductance, and includes a second exhaust gas recirculation circuit (145) with at least one second EGR cooler (152) having a second overall conductance which is greater than the first overall conductance. The exhaust gas recirculation system (140) also includes flow control means (143, 147) configured to selectively vary the relative proportions of first and second flows of recirculated exhaust gas through the first and second ...

INTERNAL COMBUSTION ENGINE

The internal combustion engine performs the thermodynamic cycle partially inside the cylinder, with the piston connected to the crankshaft, and partially in a turbo-supercharger in which there takes place the final stage of the expansion of the burnt gases and, simultaneously, the suction and the first phase of compression of the air. The said compression is completed afterwards in the cylinder, continuously and without any partialization.

Internal combustion engine

The control device of the internal combustion engine

Cooling circuit for internal combustion engine of motor vehicle, has unit managing coolant flow, and three distinct passages including respective inlets and outlets to permit independent circulation of coolant through each passage

L'invention concerne un circuit de refroidissement pour un moteur à combustion interne comportant au moins une culasse (1), un carter cylindre (6), le circuit comprenant des moyens d'échanges thermique (13, 14), un moyen d'entrainement (15) d'un caloporteur et au moins un moyen de gestion (10, 11, 12) de l'écoulement du caloporteur au travers de la culasse (1), du carter cylindre (6) ou des moyens d'échange thermique (13, 14). Le circuit de l'invention se caractérise en ce qu'il comprend au moins trois passages indépendants dédiés au refroidissement du moteur, les premier et second passages (2, 3) étant disposés dans la culasse (1), le troisième passage étant disposé dans le carter cylindre (6), les passages étant distincts et comprenant au moins une arrivée (2a, 3a, 6a) et une sortie (2b, 3b, 6b) de sorte à pouvoir permettre une circulation indépendante du fluide caloporteur au travers de chacun des passages de la culasse et du carter cylindre.

Improvement with the water pipelines in the spark-ignition engines

DEVICE AND PROCESS OF COOLING OF the CYLINDERS AND the CYLINDER HEAD Of a THERMAL ENGINE

Dispositif de refroidissement d'un moteur thermique, notamment pour véhicule automobile, comprenant un conduit de culasse 1 et un conduit de carter-cylindres 2 séparés et aptes à refroidir la partie du moteur correspondante, le dispositif de refroidissement présentant un circuit principal 5 comprenant au moins trois composants, le conduit de culasse 1, un radiateur 8 et une pompe principale 3 de circulation de fluide caloporteur, les trois composants étant raccordés entre eux par des portions du circuit principal, et un circuit secondaire 9 comprenant le conduit de carter-cylindres 2 et une pompe secondaire 4 de circulation. Le circuit secondaire 9 est raccordé au circuit principal 5 par deux jonctions voisines 10, 11 sur une même portion du circuit principal 5.

ENGINE COOLER

Provided is an engine cooler reducing discharging of a slap sound of a piston. The present invention comprises: a cylinder block (3) having a cylinder barrel (1) and a water jacket (2) therein; and a spacer (4) received in the water jacket (2). The water jacket (2) is formed around the cylinder barrel (1), and the spacer (4) is disposed to surround the cylinder barrel (1). An insertion and pressurization material (5) is inserted and pressurized between the cylinder barrel (1) and the spacer (4) on a left side and the right side of the cylinder barrel (1) regarding a width direction of the cylinder block (3) as the leftward and the rightward direction. A lower end part (5a) of the insertion and pressurization material (5) is disposed in a higher position than the lower end part (7a) of a left and a right skirt unit (7) of a piston (6) positioned in a top dead point. COPYRIGHT KIPO 2015 (AA) Front (BB) Left (CC) Right (DD) Back ...

IMPROVED TWO CYCLE, OPPOSED-PISTON INTERNAL COMBUSTION ENGINE

In a two-cycle, opposed-piston internal combustion engine, opposed pistons disposed in a cylinder are coupled to a pair of side-mounted crankshafts by connecting rods that are subject to substantially tensile forces acting between the pistons and the crankshafts. This geometry reduces or eliminates side forces between the pistons and the bore of the cylinder. The cylinder and the pistons are independently cooled to reduce cylindrical deformation caused by thermal expansion during engine operation. © KIPO & WIPO 2007 ...

PARTITION MEMBER FOR COOLING PASSAGE OF INTERNAL COMBUSTION ENGINE, COOLING MECHANISM OF INTERNAL COMBUSTION ENGINE, AND METHOD FOR FORMING THE COOLING MECHANISM

A partition member used in a cylinder block of an internal combustion engine is disclosed. The partition member is arranged in a groove-like cooling passage through which a cooling heat medium flows. The partition member includes a separating wall and a flexible lip member. The separating wall divides the cooling passage into an inner passage and an outer passage. The inner passage is located close to the cylinder bores, and the outer passage is located outside of the inner passage. The lip member extends from the separating wall toward the opening of the cooling passage in such a manner that, when the partition member is arranged in the cooling passage, the lip member contacts one of the inner surfaces of the cylinder block forming the cooling passage. When the partition member is arranged in the cooling passage, the distal edge portion of the flexible lip member contacts the inner surface due to force produced through flexible shape restoration of the lip member.

OPTICAL ENGINE COOLING METHOD AND DEVICE

An optical engine cooling method and device include: a transparent cylinder sleeve (2), a lengthened piston located in the transparent cylinder sleeve (2), and two graphite cooling blocks (6) assembled under the transparent cylinder sleeve (2). The graphite cooling blocks (6) are embedded in a support shell (7) of the engine and contact with support upright columns (5) at the lateral surface of the lengthened piston. There is a circulating water shell (8) outside the support shell (7) of the engine, and the outside surfaces of the graphite cooling blocks (6) are connected with a water cavity (10) in the circulating water shell (8). The combustion heat of the engine is delivered to the transparent cylinder sleeve (2), which delivers the heat to the lengthened piston, and the heat is delivered by the lengthened piston to the graphite cooling blocks (6), then the graphite cooling blocks (6) dissipate the heat through outside circulating water.

Cooling system for a vehicle having an internal-combustion engine

A cooling system for a vehicle having an internal-combustion engine has a plurality of cooling circuits with heat exchangers for each circuit. The temperatures of different cooling media are measured and processed in a switching device to form an output signal which serves to control a fan. In this way, the air flow through the heat exchangers can be varied depending on measured temperature conditions. Individual capacity control of each cooling circuit is possible, thereby preventing unfavorable operating conditions in the individual circuits. The cooling capacity demand of the individual cooling circuits is determined by a central control unit which receives signals from temperature sensors in each circuit. The central control unit includes a microprocessor. Each cooling circuit has an actuating means for individually controlling the capacity of the relevant heat exchanger.

Engine and personal watercraft

An engine for a personal watercraft uses an open-looped cooling system and comprises a cylinder block having a water jacket within which cooling water flows, and a piston that reciprocates within the cylinder block, and a dimension of the water jacket in a reciprocation direction of the piston is equal to or less than a half of a reciprocation distance of the piston.

CYLINDER BORE WALL THERMAL INSULATOR, INTERNAL COMBUSTION ENGINE, AND AUTOMOBILE

A cylinder bore wall thermal it includes bore wall insulating sections provided for each of bore walls of cylinder bores and for insulating a wall surface on the cylinder bore side of the groove-like cooling water channel and a supporting section to which the bore wall insulating sections are framed. The bore wall insulating, sections include rubber members for covering the wall surface on the cylinder bore side of the groove-like cooling water channel, rear surface pressing members provided on rear surface sides of the rubber members and for pressing the entire rubber members toward the wall surface on the cylinder bore side of the groove-like cooling water channel from the rear side, and elastic members that urge the rear surface pressing members to press the rubber members toward the wall surface on the cylinder bore side of the groove-like cooling water channel.

Cooling structure of cylinder block

A cooling structure of a cylinder block includes a water jacket portion which is provided so as to surround an entire outer periphery of a bore wall; and a water jacket spacer which is inserted in the water jacket portion. A foreign matter collecting mechanism which collects foreign matter is provided in a bottom portion of the water jacket portion.

Coolant pump and cooling system for vehicle

A coolant pump for a vehicle includes an impeller mounted at one side of a shaft and configured to pump a coolant, a pulley mounted at the other side of the shaft and configured to receive torque, a pump housing including an inlet into which the coolant inflows and an outlet of which the coolant flows out, a slider disposed to be movable in a longitudinal direction of the shaft so as to selectively block or open the outlet and a driver configured to move the slider, where a passage which supplies the coolant to at least one heat exchange element is formed on the pump housing.

MARINE MOTOR WITH A DUAL-FLOW EXHAUST GAS RECIRCULATION SYSTEM

A marine motor having an internal combustion engine having an engine block with at least one cylinder, an air intake, an exhaust conduit configured to direct a flow of exhaust gas from the at least one cylinder, and an exhaust gas recirculation system configured to recirculate a portion of the flow of exhaust gas from the exhaust conduit to the air intake. The exhaust gas recirculation system includes a first exhaust gas recirculation circuit with at least one first EGR cooler having a first overall conductance, and includes a second exhaust gas recirculation circuit with at least one second EGR cooler having a second overall conductance which is greater than the first overall conductance. The exhaust gas recirculation system also includes flow control means configured to selectively vary the relative proportions of first and second flows of recirculated exhaust gas through the first and second exhaust gas recirculation circuits to allow the amount of exhaust gas cooling to be varied.

INTERNAL COMBUSTION ENGINE

An internal combustion engine is provided. Facing pistons eliminate a cylinder head, thereby reducing heat losses through a cylinder head. Facing pistons also halve the stroke that would be required for one piston to provide the same compression ratio, and the engine can thus be run at higher revolutions per minute and produce more power. An internal sleeve valve is provided for space and other considerations. A combustion chamber size-varying mechanism allows for adjustment of the minimum size of an internal volume to increase efficiency at partial-power operation. Variable intake valve operation is used to control engine power.

Engine assembly provided with an internal combustion engine cooled by a phase change material

An engine assembly is provided with a split-cycle internal combustion engine having a compression section and an expansion section and with a cooling circuit for circulating a heat-exchange fluid; said fluid has a boiling temperature such that at least a fraction of the fluid changes phase from liquid to vapour flowing through the expansion section of the engine, when the latter operates in steady conditions; the circuit comprises a turbine arranged downstream of the engine so as to receive vapour and produce mechanical energy from the expansion of the vapour.

Temperature regulating system for a vehicle

The vehicle heating system comprises a stand-alone heater (14) using the same fuel as the vehicle. This heats a liquid and a heat exchanger (12) transfers heat from the liquid into air passing into the vehicle. A valve system allows the heated liquid to pass through a zone (28) near the cylinder head (26) without passing through a second zone (32) near the engine block (30) - An INDEPENDENT CLAIM is included for a method for operating the vehicle heating system.

Cooling structure for internal combustion engine

Exhaust gas recirculation control device for engine with dual cooling system

An engine is provided with a dual cooling system having a head-side cooling water passage formed in a cylinder head, through which a cooling water can be circulated, and a block-side cooling water passage formed in a cylinder block, through which a cooling water can be circulated, in which a block-side circulation can be stopped without stopping a head-side circulation. An exhaust gas recirculation control device for such engine comprises a temperature sensor for detecting a temperature of the cooling water circulating the head-side passage (THW); and an exhaust gas recirculation (EGR) system for supplying an EGR gas to the engine. The EGR system performs the supply of the EGR gas when the cooling water temperature (THW) is higher than a predetermined temperature (THE), and stops the supply of the EGR gas when the cooling water temperature (THW) is lower than the predetermined temperature (THE). The predetermined temperature when the block-side circulation is stopped (THL) is set to be ...

БЛОК ЦИЛИНДРОВ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

УСОВЕРШЕНСТВОВАННЫЙ ДВУХТАКТНЫЙ ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ С ПРОТИВОПОЛОЖНЫМ РАСПОЛОЖЕНИЕМ ПОРШНЕЙ

... 1. Двигатель внутреннего сгорания с противоположным расположением поршней, содержащий:цилиндр с наружной поверхностью, центральной и концевыми частями и расточенной частью;систему питания, предназначенную для подачи на указанную наружную поверхность потоков жидкого хладагента, проходящих от указанной центральной части к указанным концевым частям;первый и второй противоположно расположенные поршни, которые выполнены с возможностью совершения возвратно-поступательного движения в расточенной части и каждый из которых имеет головку с задней поверхностью; исистему питания, предназначенную для подачи жидкого хладагента во внутреннюю часть каждого поршня на заднюю поверхность головки.2. Двигатель по п.1, в котором цилиндр включает группы канавок, которые проходят по наружной поверхности от центральной части по направлению к концевым частям, и группы канавок, которые проходят по существу в окружном направлении в центральной части, и который дополнительно включает втулку цилиндра, закрывающую канавки ...

СИСТЕМА ОХЛАЖДЕНИЯ

Cooling circuit arrangement for liquid-cooled internal combustion engine

The arrangement has cylinder head (3) and crankcase (4) cooling sleeves (6,7) supplied individually by a single pump (5) with its suction side connected via a bypass line controlled by a 3-way valve (8) to a heat exchanger (12) in an outer cooling circuit (13). The crankcase cooling sleeve can be separately connected to the outer loop via a controllable valve if a certain temperature is reached in the crankcase. The pump, which is connected on the suction side to an outlet (15) of a three-way thermostat (16) in the bypass line (9), is connected on the feed side via a cooling sleeve outlet channel (17) to the cylinder head. The inlet channel (18) is connected via a connecting line (19) to the bypass line and heat exchanger inlet line. At least the crankcase cooling sleeve can be connected to the outer cooling circuit via a valve (14) controlled (20) using a characteristic field.

Motorblock mit einem integrierten Strömungskanal

Ein Aluminiumguss-Motorblock für einen kompressionsgezündeten Verbrennungsmotor beinhaltet eine Vielzahl von Zylindern, die in einer Reihenanordnung angeordnet sind. Der Motorblock beinhaltet einen oberen Abschnitt, der ein oberes Deck beinhaltet, und einen unteren Abschnitt, der eine Vielzahl von Hauptlagern beinhaltet, die angeordnet sind, um Lagerzapfen einer Kurbelwelle zu tragen. Ein integrierter Strömungskanal ist zwischen dem zweiten Ende und dem letzten Zylinder und proximal zu dem oberen Deck ausgebildet und ist ein kontinuierlicher Kanal, der von der ersten Seite zu der zweiten Seite durch den Abschnitt des Motorblocks zwischen dem zweiten Ende und dem letzten Zylinder und proximal zum oberen Deck verläuft. Ein Kühlmittelkanal ist in dem Motorblock zwischen dem integrierten Strömungskanal und dem letzten Zylinder angeordnet und ist parallel zu der Höhenachse ausgerichtet.

REGELUNG EINER VERBRENNUNGSKRAFTMASCHINE MIT KOMPRESSIONSZÜNDUNG UND KRAFTSTOFF-LUFTVORMISCHUNG

Liquid-cooled combustion engine, has head cooling system with hot, warm wall heat exchangers coupled to block cooling system so cooling water passes to casing mainly via hot wall section during warm-up

The engine has a cylinder-crankcase housing with a cooling water casing, a cylinder head coupled to the housing and gas exchange channels passing through a combustion chamber floor. A block cooling system in includes the cooling water casing. A head cooling system divided into hot and warm wall heat exchangers is coupled to the block cooling system so cooling water passes into the casing mainly via the hot wall section during the warm-up phase. The internal combustion engine (3) has a cylinder-crankcase housing (4) with a cooling water casing (8) associated with at least one cylinder (6), a cylinder head (5) coupled to the housing and gas exchange channels passing through a combustion chamber floor (7). A block cooling system in the housing includes the cooling water casing. A head cooling system divided into a hot and warm wall heat exchanger sections (9,10) is coupled to the block cooling system so that cooling water passes into the casing mainly via the hot wall section during the warm-up ...

VERFAHREN UND SYSTEM ZUM HEIZEN EINES HYBRIDFAHRZEUGS

Es werden Systeme und Verfahren zum Bereitstellen von Wärme für einen Fahrgastraum eines Hybridfahrzeugs, das eine Brennkraftmaschine aufweist, dargestellt. Die Systeme und Verfahren können die Brennkraftmaschine selektiv betreiben, wobei ein oder mehrere Kraftmaschinenzylinder deaktiviert sind, und können das Kühlmittel selektiv zu einem oder mehreren Zylindern strömen lassen, um die Erwärmung des Fahrgastraum in Reaktion auf eine Anforderung für Fahrgastraumwärme zu verbessern.

A coolant system for an engine featuring coolant injector nozzles

A cooling system for an engine comprises a cooling circuit through which coolant is circulated by a pump 5, the coolant circuit featuring at least one coolant injector 8 comprising a hollow body 30 defining a flow passage through which coolant can flow, the hollow body 30 having a convergent nozzle portion 33 at one end to provide a jet of coolant 34 and one or more apertures 31 formed so as to permit coolant to escape 32 from the hollow body 30 in a different direction to the direction in which the coolant flows from the nozzle portion 33. The cooling system may in use cool a cylinder block 10, having at least one cylinder 11 and a cooling passage 12 encircling the cylinder 11. The cooling passage 12 may include an interbore passage 12a located between adjacent cylinders 11. There may be provided at least one coolant injector 8 aligned with a respective inter-bore cooling passage 12a. There may be a number of coolant injectors 8 located on opposite sides of the cylinder block 10. The coolant ...

An engine cooling system

Engine power assembly

A locomotive diesel engine, having a cylinder liner and a separate water jacket surrounding the cylinder liner, with a portion of the water jacket being positioned between the cylinder liner and the engine frame, where the cylinder line is supported by the water jacket. An external shoulder on the cylinder liner can be supported by an internal flange in the water jacket, thereby eliminating direct contact between the cylinder liner and the engine frame. A coolant passage can be provided between the water jacket and the cylinder liner, at a point adjacent the topmost between the cylinder liner and the water jacket, above the coolant passage, and a lower liner seal can be provided between the cylinder liner and the engine frame, below the coolant passage. Coolant ports can be provided for coolant flow directly between the cylinder head and the water jacket, with seals in the coolant ports to seal the coolant independently of the head gasket.

COOLING STRUCTURE

Marine motor with a dual-flow exhaust gas recirculation system

An engine block for an internal combustion engine

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

A liquid-cooled internal combustion engine, including at least one cylinder block which has a cooling jacket and multiple cylinders. The cooling jacket has a base facing toward a crank chamber and a top facing toward a cylinder head sealing plane. The base has an undulating profile in which a first distance, as measured in the direction of the cylinder axis, between the base of the cooling jacket and the top in the region of at least one first engine transverse plane which encompasses the cylinder axis is greater than a second distance in the region of at least one second engine transverse plane between two adjacent cylinders. In order to reduce cylinder deformation, the cooling jacket has three different heights, in which a third distance between the base of the cooling jacket and the top is smaller in at least one face-end region of the cooling jacket. 15-. (canceled)6. A liquid-cooled internal combustion engine , comprising: the cooling jacket has a base facing toward a crank chamber and a top facing toward a cylinder head sealing plane, the base having an undulating profile as seen from in a side view of the cylinder block, in which a first distance, as measured in a direction of a cylinder axis, between the base and the top in a first region of at least one first engine transverse plane which encompasses the cylinder axis, is greater than a second distance in a second region of at least one second engine transverse plane between adjacent cylinders; and', 'the cooling jacket has three different heights, in which a third distance between the base and the top is smaller in at least one face-end region of the cooling jacket than in the region of the second engine traverse plane between two adjacent cylinders., 'at least one cylinder block which has a cooling jacket and a plurality of cylinders, wherein7. The internal combustion engine of claim 6 , wherein the third distance between the base and the top is smallest in at least one face-end region.8. The internal ...

System and Method for Estimating a Cylinder Wall Temperature and for Controlling Coolant Flow through an Engine Based on the Estimated Cylinder Wall Temperature

A system includes a temperature estimation module and a pump control module. The temperature estimation module estimates a temperature of coolant flowing through an engine. The temperature estimation module estimates a temperature of a cylinder wall in the engine based on the estimated coolant temperature and a measured coolant temperature. The pump control module controls a coolant pump to adjust an actual rate of coolant flow through the engine based on the estimated cylinder wall temperature. 1. A system comprising: estimates a temperature of coolant flowing through an engine; and', 'estimates a temperature of a cylinder wall in the engine based on the estimated coolant temperature and a measured coolant temperature; and, 'a temperature estimation module thata pump control module that controls a coolant pump to adjust an actual rate of coolant flow through the engine based on the estimated cylinder wall temperature.2. The system of wherein:the measured coolant temperature is an average value of a measured temperature of coolant entering the engine and a measured temperature of coolant exiting the engine; andthe estimated coolant temperature is an estimated average value of a temperature of coolant entering the engine and a temperature of coolant exiting the engine.3. The system of wherein the temperature estimation module estimates the cylinder wall temperature based on a difference between the measured coolant temperature and the estimated coolant temperature.4. The system of wherein the temperature estimation module estimates the cylinder wall temperature further based on a mass flow rate of coolant flowing through the engine and a desired rate of heat rejection from the engine.5. The system of wherein the temperature estimation module determines the mass flow rate of coolant flowing through the engine based on a speed of the coolant pump.6. The system of further comprising a heat transfer rate module that determines the desired rate of heat rejection from the ...

VERTICAL MULTICYLINDER STRAIGHT ENGINE

There is provided a vertical multicylinder straight engine in which the temperature distribution of a plurality of cylinder barrels is made close to an even state. A cylinder jacket includes: a jacket inlet; a separated channel; a plurality of separated outlets; and heat dissipator channels for dissipating heat of the respective cylinder barrels to engine cooling water introduced through the separated outlets. The plurality of separated outlets include: a front-side separated outlet to a front-end barrel; a rear-side separated outlet to a rear-end barrel; and middle separated outlets to middle barrels between the front-end barrel and the rear-end barrel, and the jacket inlet is disposed so as to be contained within an entire middle barrel side area that is lateral to the middle barrels and has a front-rear length as long as a length from a front-most end to a rear-most end of the middle barrels. 1. A vertical multicylinder straight engine , comprising:a cylinder block around a plurality of cylinder barrels, the cylinder block allowing engine cooling water to pass through a cylinder jacket, whereinthe plurality of cylinder barrels include a front-end barrel, a rear-end barrel, and middle barrels disposed between these two barrels, taking a direction along which a crankshaft central axis line extends as a front-rear direction, and a side of a flywheel as a rear side,the cylinder jacket includes: a jacket inlet for introducing the engine cooling water supplied from a radiator; separated channels for diverting the engine cooling water introduced through the jacket inlet in the front-rear direction; a plurality of separated outlets for diverting the engine cooling water diverted in the front-rear direction toward the respective cylinder barrels; and heat dissipator channels for dissipating heat of the respective cylinder barrels to the engine cooling water introduced through the separated outlets,the plurality of separated outlets include: a front-side separated outlet ...

COOLING SYSTEM AND METHOD FOR A VEHICLE ENGINE

An exemplary cooling system includes, among other things, a first pump to supply coolant to a cylinder head of an engine, a second pump to supply coolant to a cylinder block of the engine, a control unit that governs the first pump and second pump, and at least two fluid return channels to recirculate coolant to the pumps. The first and second pumps are arranged to backflow coolant through the engine. 1. A cooling system for an internal combustion engine , the internal combustion engine having a cylinder block and cylinder head , the system comprising:a first pump in fluid communication with the engine, the first pump being an electric pump;a second pump in fluid communication with the engine, the second pump being an electric pump;a control unit that governs the first and second pumps; andat least two fluid return channels configured to recirculate coolant to at least one of the first and second pumps,wherein the first pump is configured to supply coolant to the cylinder head,wherein the second pump is configured to supply coolant to the cylinder block,wherein the first and second pumps are arranged to backflow coolant through the engine.2. The system of claim 1 , wherein the control unit governs at least one of the first pump and second pump as a function of engine operation.3. The system of claim 2 , wherein the control unit governs at least one of the first pump and second pump as a function of engine flow demand.4. The system of claim 2 , wherein the control unit governs at least one of the first pump and second pump as a function of engine pressure demand.5. The system of claim 2 , wherein the control unit governs at least one of the first pump and second pump as a function of engine speed.6. The system of claim 1 , wherein the control unit governs at least one of the first pump and second pump as a function of coolant temperature.7. The system of claim 1 , wherein the control unit governs at least one of the first pump and second pump as a function of a ...

WATER JACKET SPACER PRODUCTION METHOD

A resin material is injection-molded using an injection mold in which a resin flow channel is designed so that a plurality of gates are provided along a longitudinal direction at a position corresponding to an inner circumferential surface of a spacer, to obtain a molded product, the spacer having a shape that a plurality of arc-shaped circumferential surfaces are linked through a constricted part. The molded product is cooled in a state in which a runner that is connected to the gates is allowed to remain, and the runner is cut off thereafter. A water jacket spacer is produced by injection molding while achieving excellent moldability, the water jacket spacer being disposed in a water jacket, and controlling the flow of a coolant, the water jacket spacer including a plurality of segments, or having a shape that the water jacket spacer can be partially inserted into the water jacket. 1. A method for producing a water jacket spacer that is disposed in a water jacket provided to a water-cooled internal combustion engine , and controls a flow of a coolant ,the water jacket spacer having such a shape that a plurality of arc-shaped circumferential surfaces are linked through a constricted part so that the water jacket spacer can be partially inserted into the water jacket,the method comprising injection-molding a specific resin material using an injection mold in which a resin flow channel is designed so that a plurality of gates are provided along a longitudinal direction at a position that corresponds to an inner circumferential surface of the water jacket spacer, to obtain a molded product,wherein, after opening the injection mold, and ejecting the molded product, the molded product is cooled in a state in which a runner that is connected to the gates is allowed to remain, and the runner is cut off thereafter.2. A method for producing a water jacket spacer that is disposed in a water jacket provided to a water-cooled internal combustion engine , and controls a flow of ...

AIR/OIL-COOLED INTERNAL COMBUSTION ENGINE

An air/oil-cooled internal combustion engine capable of increasing accuracy in detection of the temperature of the air/oil-cooled internal combustion engine by a temperature sensor and carrying out the warm-up operation after the start-up of the air/oil-cooled internal combustion engine favorably. The air/oil-cooled internal combustion engine includes cooling fins that are provided on the circumferences of a cylinder block and a cylinder head; and a cooling passage that is provided in a combustion chamber upper wall covering a combustion chamber of the cylinder head and is used for cooling the combustion chamber upper wall with lubrication oil. The air/oil-cooled internal combustion engine has a temperature sensor configured to detect the temperature of the air/oil-cooled internal combustion engine by detecting the temperature of oil. The temperature sensor faces a cooling oil outlet portion of the cooling passage. 1. An air/oil-cooled internal combustion engine including:cooling fins that are provided on circumferences of a cylinder block and a cylinder head; anda cooling passage that is provided in a combustion chamber upper wall covering a combustion chamber of said cylinder head and is used for cooling said combustion chamber upper wall with lubrication oil, whereina temperature sensor configured to detect a temperature of said air/oil-cooled internal combustion engine by detecting a temperature of oil is provided to face a cooling oil outlet portion of said cooling passage.2. The air/oil-cooled internal combustion engine according to claim 1 , whereinsaid air/oil-cooled internal combustion engine includes a cam chain chamber that houses therein a cam chain configured to drive a valve train provided in said cylinder head,said cooling oil outlet portion of said cooling passage is disposed close to a cam chain tensioner configured to adjust looseness of said cam chain, andsaid temperature sensor is mounted so that said temperature sensor penetrates said cylinder ...

CONTROLLER FOR COOLING SYSTEM OF INTERNAL COMBUSTION ENGINE

A cooling system of an internal combustion engine includes an adjustment valve configured to adjust a flow rate of a cooling liquid discharged from a water jacket. A controller for the cooling system includes circuitry configured to execute flow-restriction control that controls the adjustment valve to restrict discharge of the cooling liquid from the water jacket, thereby increasing temperature of an engine body. The circuitry is configured to execute the flow-restriction control so that temperature of the cooling liquid in the water jacket at which the flow-restriction control is terminated is lower when an ambient pressure is low than when the ambient pressure is high. 1. A controller for a cooling system of an internal combustion engine , wherein the cooling system includes a water jacket formed in an engine body of the internal combustion engine and including a passage for a cooling liquid that cools the engine body , a cooling liquid pump configured to supply the cooling liquid to the water jacket , and an adjustment valve configured to adjust a flow rate of the cooling liquid discharged from the water jacket , the controller comprising:circuitry configured to execute flow-restriction control that controls the adjustment valve to restrict discharge of the cooling liquid from the water jacket, thereby increasing temperature of the engine body,wherein the circuitry is configured to execute the flow-restriction control so that temperature of the cooling liquid in the water jacket at which the flow-restriction control is terminated is lower when an ambient pressure is low than when the ambient pressure is high.2. The controller according to claim 1 , wherein the circuitry is configured toterminate the flow-restriction control when the circuitry determines that a correlation value, which is correlated with the temperature of the cooling liquid in the water jacket, is greater than or equal to a determination value, andset the determination value to be smaller when ...

Control Device for Internal Combustion Engine and Control Method for Cooling Device

The invention of the present application relates to a control device and a control method for a cooling device. A cooling device includes a first cooling water passage of a cylinder head, a second cooling water passage of a cylinder block, a control valve that changes a ratio between a flow rate of the first cooling water passage and a flow rate of the second cooling water passage, and a water pump. Then, the control device controls the control valve so that a ratio of the flow rate of the first cooling water passage increases when a cooling water circulation flow rate is insufficient due to failure of the water pump. Accordingly, it is possible to suppress damage of an engine body while suppressing deterioration in traveling performance of a vehicle when failure occurs in the water pump. 116.-. (canceled)17. A control device for an internal combustion engine configured to control a cooling device including a first cooling medium passage provided in a cylinder head of an internal combustion engine , a second cooling medium passage provided in a cylinder block of the internal combustion engine , a control valve that changes a ratio between a refrigerant flow rate of the first cooling medium passage and a refrigerant flow rate of the second cooling medium passage , and a pump that circulates the refrigerant , the control device comprising:a valve control unit that controls the control valve such that a ratio of the refrigerant flow rate of the first cooling medium passage becomes larger than that of a case where the pump is not in an abnormal state when the pump is in the abnormal state where an discharge flow rate of an operation state of causing the pump to eject a refrigerant is lower than an intended discharge flow rate by a predetermined value or more.18. The control device for an internal combustion engine according to claim 17 ,wherein the pump is an electric pump.19. The control device for an internal combustion engine according to claim 18 ,wherein the valve ...

COOLANT JACKET INSERT

Methods and systems are provided for a coolant jacket insert. In one example, a system may include a coolant jacket arranged in a block comprising an insert with a first internal passage configured to direct coolant from an inlet manifold of the coolant jacket directly to a portion of the coolant jacket arranged in a cylinder head. 1. A system , comprising:an insert arranged in a portion of a coolant jacket in a block, wherein the insert comprises a first internal passage configured to flow coolant directly to a portion of the coolant jacket in a head without mixing with coolant in the portion of the coolant jacket in the block, wherein the insert further comprises a second internal passage and a third internal passage, wherein the second and third internal passages are configured to flow coolant to an upper region of the portion of the coolant jacket in the block, wherein the upper region is arranged between a lower surface of the head and a lip of the insert, wherein an engine comprises the block and the head.2. (canceled)3. The system of claim 1 , wherein the second internal passage is configured to direct coolant in a clockwise direction and the third internal passage is configured to direction coolant in a counterclockwise direction.4. The system of claim 1 , wherein the first claim 1 , second claim 1 , and third internal passages are fluidly sealed from one another.5. The system of claim 1 , wherein a number of the first internal passage claim 1 , the second internal passage claim 1 , and the third internal passage is equal to a number of cylinders arranged in the block.6. The system of claim 1 , wherein the second internal passage is arranged in a portion of the insert between the first internal passage and a cylinder liner.7. The system of claim 1 , wherein the first claim 1 , second claim 1 , and third internal passages are arranged adjacent to an intake side of the block claim 1 , wherein the insert further comprises a plurality of outlet passages arranged ...

Cylinder bore wall thermal insulator, internal combustion engine, and automobile

The present invention can provide a thermal insulator that has high adhesion to a wall surface on a cylinder bore side of a groove-like coolant passage, can insulate selectively a portion which needs to be insulated, and has high cooling efficiency of an upper portion of a boundary of the bore walls of the cylinder bores and the vicinity of the boundary.

WATER JACKET SPACER

A water jacket spacer is inserted into a water jacket. The water jacket spacer includes an expansion member, a plate-shaped holder to which the expansion member is fixed, and a leaf spring that abuts the inner wall of the water jacket. The leaf spring projects from a face on the holder on the side opposite of the expansion member. The holder curves to match the shape of the water jacket. The position of the water jacket spacer in the water jacket is maintained by the biasing force of the leaf spring. 1. A water jacket spacer that is applied to a cylinder block , which includes a water jacket that surrounds a plurality of cylinder bores , and is inserted in the water jacket , the water jacket spacer comprising:an expansion member, which is arranged corresponding to each cylinder bore and expands in the water jacket;a plate-shaped holder to which the expansion member is secured; andan elastic member, which projects from the other side of the holder from the side on which the expansion member is provided and abuts against an inner wall of the water jacket, whereinthe holder curves to be shaped in conformance with the water jacket, andthe elastic member exerts an urging force to maintain the position of the holder in the water jacket.2. The water jacket spacer according to claim 1 ,wherein the cylinder block is an open-deck cylinder block,the expansion member is one of a plurality of expansion members, andthe expansion members are secured to the holder.3. The water jacket spacer according to claim 2 ,wherein the water jacket is divided into two regions in a circumferential direction by an imaginary straight line that passes through all central axes of the cylinder bores, andthe holder couples all the expansion members arranged in one of the two regions.4. The water jacket spacer according to claim 3 ,wherein the water jacket spacer is one of a pair of water jacket spacers, and the pair of water jacket spacers is inserted in the water jacket.5. The water jacket spacer ...

INTERNAL COMBUSTION ENGINE

An internal combustion engine has a cooling jacket defined in the cylinder block for cooling at least an exhaust side of the cylinder. The cooling jacket at least partially surrounds the cylinder and includes a first cooling passage positioned between the exhaust passage and the first auxiliary exhaust passage, and a second cooling passage positioned between the exhaust passage and the second auxiliary exhaust passage. The cooling jacket on at least the exhaust side of the cylinder comprises an upper portion and a lower portion which are in fluid communication with each other via at least one of the first cooling passage and the second cooling passage. 1. An internal combustion engine comprising:a crankcase;a crankshaft adapted to rotate about a crankshaft axis and disposed at least in part in the crankcase;a cylinder block connected to the crankcase, the cylinder block defining a cylinder having a cylinder axis;a cylinder head connected to the cylinder block, the cylinder block disposed between the cylinder head and the crankcase,a piston disposed in the cylinder and operatively connected to the crankshaft, the cylinder, the cylinder head and the piston together defining at least one combustion chamber;an intake port defined by the cylinder block for allowing at least one combustion component to enter the combustion chamber;an exhaust port defined by the cylinder block, on an exhaust side of the internal combustion engine, for allowing exhaust gas to exit the combustion chamber through an exhaust passage extending from the exhaust port in the cylinder block;a first auxiliary exhaust port defined by the cylinder block and a second auxiliary exhaust port defined by the cylinder block, the first and second auxiliary exhaust ports positioned circumferentially one on either side of the exhaust port and connected to the cylinder for allowing exhaust gas to exit the combustion chamber;a first auxiliary exhaust passage in the cylinder block extending from the first ...

INTERNAL COMBUSTION ENGINE WITH A FLUID JACKET

An engine has a cylinder block with a deck face and at least one cylinder liner with a cylinder axis. The block has a first fluid jacket about the liner, a second fluid jacket about the liner, and a third fluid jacket about the liner. The first, second, and third fluid jackets are fluidly independent from one another and spaced apart from one another along the cylinder axis. A method for forming the engine includes using an insert to provide each of the fluid jackets. The insert has a lost core material surrounded by a metal shell. 1. An engine comprising:a cylinder block having a deck face and a cylinder liner with a cylinder axis, the block defining a first fluid jacket about the liner, a second fluid jacket about the liner, and a third fluid jacket about the liner, the first, second and third fluid jackets fluidly independent from one another and spaced apart from one another along the cylinder axis.2. The engine of wherein each of the fluid jackets has an inlet passage extending longitudinally along a first side of the block claim 1 , an outlet passage extending longitudinally along a second opposed side of the block claim 1 , and a liner cooling passage surrounding the liner and fluidly connecting the inlet passage and the outlet passage.3. The engine of wherein each of the fluid jackets has an inlet port for the inlet passage and an outlet port for the outlet passage claim 2 , the inlet and outlet ports provided on an end face of the block.4. The engine of wherein the inlet passages of each fluid jacket are parallel with one another; andwherein the outlet passages of each fluid jacket are parallel with one another.5. The engine of wherein the first fluid jacket is positioned between the second fluid jacket and the deck face of the block; andwherein the second fluid jacket is positioned between the first fluid jacket and the third fluid jacket.6. The engine of wherein the deck face of the block is a closed deck face.7. An engine comprising:a cylinder block ...

COMBINING ENGINE HEAD AND ENGINE BLOCK FLOW REQUESTS TO CONTROL COOLANT FLUID FLOW IN A VEHICLE COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

Examples of techniques combining flow requests to control coolant fluid in a cooling system for an internal combustion engine are provided. In one example implementation, a method includes receiving, by a processing device, a block flow request from an engine block. The method further includes receiving, by the processing device, a head flow request from an engine head. The method further includes calculating, by the processing device, an engine flow based at least in part on the block flow request and the head flow request. The method further includes calculating, by the processing device, a flow split request based at least in part on the block flow request and the engine flow. The method further includes operating, by the processing device, a block rotary valve based at least in part on the block flow. 1. A computer-implemented method for combining flow requests to control coolant fluid in a cooling system for an internal combustion engine , the method comprising:receiving, by a processing device, a block flow request from an engine block;receiving, by the processing device, a head flow request from an engine head;calculating, by the processing device, an engine flow based at least in part on the block flow request and the head flow request;calculating, by the processing device, a flow split request based at least in part on the block flow request and the engine flow; andoperating, by the processing device, a block rotary valve based at least in part on the flow split request,wherein an inlet of the block rotary valve is in fluid communication with an outlet of an engine block and an outlet of the block rotary valve is in fluid communication with a first inlet of a flow control valve,wherein an outlet of the engine head is in fluid communication with a second inlet of the flow control valve, andwherein an outlet of the flow control valve is in fluid communication with an inlet of a main rotary valve comprising a first outlet in fluid communication with a radiator ...

CYLINDER BORE WALL THERMAL INSULATOR, INTERNAL COMBUSTION ENGINE, AND AUTOMOBILE

A cylinder bore wall thermal insulator includes a base member made of synthetic resin and having a shape conforming to a shape of the groove-like cooling water channel in a setting position of the thermal insulator, an opening for heat-sensitive expanding rubber swelling for heat-sensitive expanding rubber disposed on a rear surface side to pass through a base member during heat-sensitive expansion being formed in a position opposed to an insulating part of a cylinder bore wall, heat-sensitive expanding rubber disposed on the rear surface side of the base member and covering the opening for heat-sensitive expanding rubber swelling, and a rear-surface metal plate covering the rear surface side of the heat-sensitive expanding rubber, fixed to the base member, and holding an outer edge portion of the heat-sensitive expanding rubber between the rear-surface metal plate and the base member to thereby fix the heat-sensitive expanding rubber to the base member. An urging member for urging the heat-sensitive expanding rubber after the heat-sensitive expansion toward the cylinder bore wall is attached to the rear-surface metal plate. 1. A cylinder bore wall thermal insulator set in a groove-like cooling water channel of a cylinder block of an internal combustion engine including cylinder bores and for insulating all bore walls of all the cylinder bores or a part of the bore walls of all the cylinder bores ,the thermal insulator comprising:a base member made of synthetic resin and having a shape conforming to a shape of the groove-like cooling water channel in a setting position of the thermal insulator, an opening for heat-sensitive expanding rubber swelling for heat-sensitive expanding rubber disposed on a rear surface side to pass through the base member during heat-sensitive expansion being formed in a position opposed to an insulating part of a cylinder bore wall;heat-sensitive expanding rubber disposed on the rear surface side of the base member and covering the opening ...

METHOD OF FORMING AN INTERNAL COMBUSTION ENGINE WITH A FLUID JACKET

An engine has a cylinder block with a deck face and at least one cylinder liner with a cylinder axis. The block has a first fluid jacket about the liner, a second fluid jacket about the liner, and a third fluid jacket about the liner. The first, second, and third fluid jackets are fluidly independent from one another and spaced apart from one another along the cylinder axis. A method for forming the engine includes using an insert to provide each of the fluid jackets. The insert has a lost core material surrounded by a metal shell. 119-. (canceled)20. A method of forming an engine block comprising:forming a set of inserts, each insert having a lost core material coated in a metal shell, the lost core material configured to provide a fluid jacket, each insert having a first member configured to provide an inlet passage, a second member configured to provide an outlet passage, and a plurality of cylindrical members extending between the first and second members and configured to provide liner cooling passages;positioning a plurality of cylinder liners adjacent to one another on a casting tool;stacking the set of inserts about the plurality of liners with each insert spaced apart from an adjacent insert, each cylindrical member of each insert positioned about a respective cylinder liner, and the liners positioned between the first and second members of each insert;casting the engine block about the plurality of liners and the set of inserts; andremoving the lost core material from the cast engine block to form the fluid jackets.21. The method of wherein the set of inserts comprises a first claim 20 , second and third insert such that the block is formed with a first claim 20 , second and third fluid jacket.22. The method of wherein each insert is spaced apart from an adjacent insert such that each fluid jacket is fluidly independent.23. The method of wherein each insert is spaced apart from an adjacent insert along a cylinder axis of one of the plurality of cylinder ...

CASTING PRODUCT AND MANUFACTURING METHOD THEREOF

The present invention relates to a casting product and a method of manufacturing the casting product. The manufacturing method of the casting product includes: manufacturing a salt core including a heterogeneous material part; manufacturing the casting product by inserting the salt core including the heterogeneous material part into a casting mold; injecting a molten metal into the casting mold; and removing the salt core from the casting product. 1. A method of manufacturing a casting product , comprising:{'b': '10', 'an operation S of manufacturing a salt core including a heterogeneous material part;'}{'b': '20', 'an operation S of manufacturing the casting product by inserting the salt core including the heterogeneous material part into a casting mold and then injecting a molten metal into the casting mold; and'}{'b': '30', 'an operation S of removing the salt core from the casting product.'}21012. The manufacturing method according to claim 1 , wherein the operation S includes an operation S of mounting the heterogeneous material part in a part mounting groove of a salt core mold having the part mounting groove in which the heterogeneous material part to be integrated with the casting product is able to be mounted.3101412. The manufacturing method according to claim 2 , wherein the operation S further includes an operation S of injecting the salt core into the salt core mold and sintering the salt core claim 2 , after the operation S.4101614. The manufacturing method according to claim 3 , wherein the operation S further includes an operation S of removing the salt core mold in a state in which the sintered salt core including the heterogeneous material part remains claim 3 , after the operation S.5. The manufacturing method according to claim 1 , wherein the casting product is a cylinder block.6. The manufacturing method according to claim 5 , wherein the heterogeneous material part is a heat sink which is inserted into the cylinder block to cool the cylinder ...

Liquid Cooled Radial Power Plant Having An External Coolant Manifold

Methods and systems for cooling a radial engine in a ground-based portable electric power generating system. The engine includes a plurality of cylinders extending radially from a central hub supporting a crankshaft. Each cylinder has a coolant inlet port and a coolant outlet port. The cooling system includes an inlet coolant manifold interconnecting at least two of the coolant inlet ports. The inlet coolant manifold is disposed external to the central hub. 1. A ground-based electric power generating system , comprising:a generator coupled to a radial engine of the type including a central hub and a plurality of radially extending cylinder assemblies, each cylinder assembly comprising:an inner sleeve having a top flange;an outer jacket having a horizontal step;a fluid path defined between the inner sleeve and the outer jacket; anda cylinder head having a horizontal plate;wherein the flange is clamped between the step and the plate to thereby secure the inner sleeve within the cylinder assembly.2. The system of claim 1 , wherein the fluid path is configured to communicate with a fluid inlet port and a fluid outlet port.3. The system of claim 2 , further comprising a fluid inlet manifold coupled to the fluid inlet port claim 2 , and a fluid outlet manifold coupled to the fluid inlet port.4. The system of claim 3 , wherein the fluid inlet manifold is secured to the hub.5. The system of claim 3 , wherein the fluid inlet manifold is secured to the plurality of cylinder assemblies.6. The system of claim 3 , wherein the fluid inlet manifold is secured to the system external to the hub and the cylinders.7. The system of claim 3 , wherein the radial engine is configured for steady state operation in the range of about 2300 RPM.8. In a ground-based portable electric power generating system claim 3 , a radial engine comprising:a plurality of cylinders extending radially from a central hub supporting a crankshaft, each cylinder having a coolant inlet port and a coolant outlet ...

INTERNAL COMBUSTION ENGINE

There is provided a water jacket spacer set in a groove-like coolant passage of a cylinder block of an internal combustion engine including cylinder bores and set in an entire circumferential direction or a part in a circumferential direction of the groove-like coolant passage when viewed in the circumferential direction, wherein a coolant passage opening through which coolant flowing on the rear surface side of the water jacket spacer passes to flow to an inner side of the water jacket spacer is formed on at least one place of upper portions of inter-bore portions, a guide wall for guiding the coolant is formed in a vicinity of the coolant passage opening, such that the coolant flows into the coolant passage opening; and an inclined wall is formed on the rear surface side of bore portions of a position where the coolant is supplied into the groove-like coolant passage, the inclined wall extending with an upward inclination to create a flow of the coolant toward the coolant passage opening. 1. A water jacket spacer set in a groove-like coolant passage of a cylinder block of an internal combustion engine including cylinder bores and set in an entire circumferential direction or a part in a circumferential direction of the groove-like coolant passage when viewed in the circumferential direction , whereina coolant passage opening through which coolant flowing on a rear surface side of the water jacket spacer passes to flow to an inner side of the water jacket spacer is formed on at least one place of upper portions of inter-bore portions,a guide wall for guiding the coolant is formed in a vicinity of the coolant passage opening, such that the coolant flows into the coolant passage opening; andan inclined wall is formed on the rear surface side of a position where the coolant is supplied into the groove-like coolant passage, the inclined wall extending with an upward inclination to create a flow of the coolant toward the coolant passage opening.2. A water jacket spacer ...

COOLING STRUCTURE FOR INTERNAL COMBUSTION ENGINE

A cooling structure for an internal combustion engine includes a spacer. The spacer is fitted inside a water jacket which is formed to surround peripheries of a plurality of cylinder bores arranged one after another on a cylinder row line of a cylinder block of the internal combustion engine. A cooling condition of the cylinder bores is controlled by regulating a flow of cooling water in the water jacket by use of the spacer. A fixing member for fixing the spacer inside the water jacket is provided on an inner wall surface of the spacer facing the cylinder bores. 1. A cooling structure for an internal combustion engine , in which: a spacer is fitted inside a water jacket which is formed to surround peripheries of a plurality of cylinder bores arranged one after another on a cylinder row line of a cylinder block of the internal combustion engine; and a cooling condition of the cylinder bores is controlled by regulating a flow of cooling water in the water jacket by use of the spacer , whereina fixing member for fixing the spacer inside the water jacket is provided on an inner wall surface of the spacer facing the cylinder bores.2. The cooling structure according to claim 1 , whereinthe fixing member is placed in abutment against an inner wall surface of the water jacket.3. The cooling structure according to claim 1 , whereinthe spacer comprises a spacer main body separating the water jacket into an upper cooling water passage and a lower cooling water passage, andthe fixing member is provided to the spacer main body.4. The cooling structure according to claim 1 , whereinthe spacer comprises a lower support leg which extends downward from the fixing member, and which contacts a bottom portion of the water jacket.5. The cooling structure according to claim 3 , whereinthe spacer comprises an upper support leg which extends upward along a cylinder axis from the spacer main body and a lower support leg which extends downward along the cylinder axis from the spacer main ...

CONTROL METHOD OF COOLING SYSTEM HAVING COOLANT CONTROL VALVE UNIT

A cooling system has a coolant control valve unit receiving a coolant exhausted from a cylinder head. A control method of the cooling system is configured to control opening rates of a first coolant passage through which the coolant is distributed to a heater core, a second coolant passage through which the coolant is distributed to a radiator, and a third coolant passage through which the coolant is exhausted from a cylinder block, and further includes sensing a driving condition, and controlling an operation of the coolant control valve depending on the sensed driving condition. 1. A control method of a cooling system , comprising:providing a coolant control valve unit of the cooling system that receives a coolant exhausted from a cylinder head and is configured to control opening rates of a first coolant passage through which the coolant is distributed to a heater core, a second coolant passage through which the coolant is distributed to a radiator, and a third coolant passage through which the coolant is exhausted from a cylinder block;sensing a driving condition by a controller; andcontrolling, by the controller, an operation of the coolant control valve depending on the sensed driving condition.2. The control method of claim 1 , wherein:the controlling of the operation of the coolant control valve includes a first mode blocking the first and second coolant passages and blocking the third coolant passage.3. The control method of claim 1 , wherein:the controlling of the operation of the coolant control valve includes a second mode variably controlling an opening rate of the first coolant passage and blocking the second and third coolant passages.4. The control method of claim 1 , wherein:the controlling of the operation of the coolant control valve includes a third mode maximizing the opening rate of the first coolant passage, variably controlling the opening rate of the second coolant passage, and blocking the third coolant passage.5. The control method of ...

OIL SUPPLY STRUCTURE OF WATER-COOLED INTERNAL COMBUSTION ENGINE

An oil supply structure of a water-cooled internal combustion engine includes an oil cooler for improving oil circulation efficiency by making an oil passage of a lubrication system short. In addition, weight of the oil cooler is reduced by reducing the number of parts. The oil supply structure of a water-cooled internal combustion engine includes an oil pump drive shaft of an oil pump that is coaxially coupled with one end of a balancer shaft placed parallel with a crankshaft and a water pump drive shaft of a water pump that is coaxially coupled with the other end of the balancer shaft. In the oil supply structure, an oil cooler is provided in the vicinity of the oil pump together with an oil filter. 1. An oil supply structure of a water-cooled internal combustion engine in which an oil pump drive shaft of an oil pump is coaxially coupled with one end of a balancer shaft placed parallel with a crankshaft and a water pump drive shaft of a water pump is coaxially coupled with the other end of the balancer shaft;wherein an oil cooler is provided in a vicinity of the oil pump together with an oil filter.2. The oil supply structure of the water-cooled internal combustion engine according to claim 1 , wherein an engine case cover for covering the oil pump from a side opposite to the water pump is provided with the oil filter and the oil cooler.3. The oil supply structure of the water-cooled internal combustion engine according to claim 2 ,wherein an oil tank is formed inside the engine case cover;a cooler inlet and a cooler outlet of the oil cooler are formed on an attachment surface to which the oil cooler of the engine case cover is attached; andthe cooler outlet opens at an upper part of the oil tank.4. The oil supply structure of the water-cooled internal combustion engine according to claim 1 , wherein the oil filter is provided at a same height as or a lower position than the oil pump.5. The oil supply structure of the water-cooled internal combustion engine ...

EXHAUST GAS RECIRCULATION COOLER

An exhaust gas recirculation (EGR) cooler includes: a cylinder block having a mounting space and having a cooling water inlet through which cooling water is introduced; at least one core assembly disposed in the mounting space and including an upper core and a lower core, wherein the upper core and the lower core are coupled to each other to have a flow path through which the exhaust gas flows; and a cover plate blocking the mounting space and having a cover inlet through which the exhaust gas flows in; a cover outlet through which the exhaust gas flows out; and a cooling water outlet through which the cooling water is discharged. 1. An exhaust gas recirculation (EGR) cooler comprising:a cylinder block having a mounting space and having a cooling water inlet through which cooling water is introduced; an upper core having an upper core inlet through which exhaust gas flows in and an upper core outlet through which the exhaust gas flows out; and', 'a lower core having a lower core inlet through which the exhaust gas flows in and a lower core outlet through which the exhaust gas flows out, wherein the upper core and the lower core are coupled to each other to have a flow path through which the exhaust gas flows; and, 'at least one core assembly disposed in the mounting space, the at least one core assembly including a cover inlet through which the exhaust gas flows in;', 'a cover outlet through which the exhaust gas flows out; and', 'a cooling water outlet through which the cooling water is discharged., 'a cover plate blocking the mounting space, the cover plate having2. The EGR cooler of claim 1 , whereina plurality of core assemblies are sequentially stacked in the mounting space, andthe cooling water flows through cooling water flow paths between an inner surface of the mounting space and a core assembly that is adjacent the inner surface of the mounting space among the plurality of core assemblies, between the plurality of core assemblies, and between the cover ...

ENGINE COOLING SYSTEM

An engine cooling system may include a first water jacket provided in a cylinder block; a second water jacket provided in a cylinder head; a main line connected to a water pump, the first water jacket, the second water jacket, and a radiator such that a coolant discharged from the water pump passes through the first water jacket and the second water jacket to be circulated to the water pump via the radiator; the third water jacket provided in a cylinder separately from the first water jacket or the second water jacket; and a sub-line connected to the water pump and the third water jacket such that the coolant discharged from the water pump passes through the third water jacket to be directly circulated to the water pump without passing through the radiator. 1. An engine cooling system , comprising:a first water jacket provided in a cylinder block;a second water jacket provided in a cylinder head;a first line connected to a water pump, the first water jacket, the second water jacket, and a radiator, wherein a coolant discharged from the water pump passes through the first water jacket and the second water jacket to be circulated to the water pump via the radiator;a third water jacket provided separately from the first water jacket or the second water jacket; anda second line connected to the water pump and the third water jacket, wherein the coolant discharged from the water pump passes through the third water jacket to be directly circulated to the water pump without passing through the radiator when the coolant is discharged along the second line.2. The engine cooling system of claim 1 ,wherein the third water jacket is positioned on an exhaust side in the cylinder head.3. The engine cooling system of claim 1 , further including:a bypass line connected to first and second portions of the first line to allow the coolant having passed through the first water jacket and the second water jacket to bypass the radiator and thus to be directly circulated to the water pump ...

WATER JACKET SPACER

An object of the present invention is to provide a water jacket spacer that can prevent cooling water from entering the space between the water jacket spacer and a bore side inner wall face of a water jacket by a simple structure and can facilitate mounting work into the water jacket. Provided is a water jacket spacer that is inserted into a water jacket and regulates the flow of cooling water flowing into the water jacket from a cooling water inflow port The water jacket spacer includes a first seal lip that is arranged on the upper end of a spacer main body and is in contact with a bore side inner wall face of the water jacket to seal a gap formed between the bore side inner wall face and the spacer main body 1. (canceled)2. (canceled)3. A water jacket spacer that is inserted into a water jacket provided in a cylinder block around a bore and regulates a flow of cooling water flowing into the water jacket from a cooling water inflow port that opens to an inner wall face of the water jacket , the water jacket spacer comprising:a first seal lip that is arranged on an upper end of a spacer main body and is in contact with a bore side inner wall face of the water jacket to seal a gap formed between the bore side inner wall face and the spacer main body; anda second seal lip that is arranged on the upper end of the spacer main body and is in contact with a counter bore side inner wall face of the water jacket to undergo elastic deformation and brings the first seal lip into intimate contact with the bore side inner wall face of the water jacket through a reaction force during the elastic deformation,the second seal lip being formed in a length that comes into contact with a blocking member that blocks an upper part of the water jacket when the water jacket spacer is inserted into the water jacket and performing both positioning of the spacer main body in a height direction and detachment prevention for the spacer main body together with the blocking member.4. (canceled) ...

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

The present invention relates to a liquid-cooled internal combustion engine comprising an engine block, which includes a plurality of cylinders, and cylinder heads closing the cylinders, wherein each cylinder is surrounded by a respective cooling liner and each cylinder head has provided therein at least one separate cooling chamber connected to the cooling liner of the associated cylinder via at least one transition channel, wherein the transition channels of at least two cylinders are interconnected via a pressure compensation chamber. 1. A liquid-cooled internal combustion engine comprising an engine block , which includes a plurality of cylinders , and cylinder heads closing the cylinders , wherein each cylinder is surrounded by a respective cooling liner , each cylinder head has provided therein at least one separate cooling chamber connected to the cooling liner of the associated cylinder via at least one transition channel , and the transition channels of at least two cylinders are interconnected via a pressure compensation chamber.2. The internal combustion engine according to claim 1 , wherein the pressure compensation chamber is integrated in the engine block claim 1 , said pressure compensation chamber extending especially in the longitudinal direction of the engine block and abutting tangentially on the cooling liners of the cylinders.3. The internal combustion engine according to claim 1 , wherein the flow path of the coolant for each cylinder extends from the at least one cooling chamber of the cylinder head to the cooling liner of the cylinder.4. The internal combustion engine according to claim 1 , wherein at least two cooling chambers per cylinder head are provided claim 1 , ideally an upper and a lower cooling subchamber claim 1 , interconnected via at least one connection channel claim 1 , ideally via at least two connection channels claim 1 , ideally with different diameters.5. The internal combustion engine according to claim 4 , wherein at ...

CYLINDER HEAD COOLING APPARATUS OF ENGINE

There is provided a cylinder head cooling apparatus of an engine capable of enhancing cooling efficiency around an auxiliary combustion chamber wall. The cylinder head cooling apparatus of an engine including a cylinder head having therein an intake port, an exhaust port, an auxiliary combustion chamber, and a cooling water jacket, in which an intake port wall, an exhaust port wall, and an auxiliary combustion chamber wall are placed in the cooling water jacket, the cooling water jacket includes a cooling water inlet and a cooling water outlet, engine cooling water flowed from the cooling water inlet into the cooling water jacket flows out from the cooling water outlet through the cooling water jacket, wherein a cooling water guide wall is provided upstream of the auxiliary combustion chamber wall in a cooling water passing path of the cooling water jacket, and the upstream cooling water guide wall is formed into a shape whose width gradually widens toward a downstream side. 1. A cylinder head cooling apparatus of an engine comprising: a cylinder head having therein an intake port , an exhaust port , an auxiliary combustion chamber , and a cooling water jacket , in whichan intake port wall, an exhaust port wall, and an auxiliary combustion chamber wall are placed in the cooling water jacket, the cooling water jacket includes a cooling water inlet and a cooling water outlet, engine cooling water flowed from the cooling water inlet into the cooling water jacket flows out from the cooling water outlet through the cooling water jacket,wherein a cooling water guide wall is provided upstream of the auxiliary combustion chamber wall in a cooling water passing path of the cooling water jacket, and the upstream cooling water guide wall is formed into a shape whose width gradually widens toward a downstream side.2. The cylinder head cooling apparatus of an engine according to claim 1 , further comprising a cooling water guide wall on a downstream side of the auxiliary ...

TECHNIQUE FOR COOLING FOR AN INTERNAL COMBUSTION ENGINE

An internal combustion engine including a cooling liquid circuit, which is connected to a cylinder head and an engine block of the internal combustion engine and which includes a cooling liquid pump. The cooling liquid pump includes a drive shaft and is capable of conveying cooling liquid in the cooling liquid circuit. Further, the internal combustion engine includes a Visco clutch. The Visco clutch is arranged for the drive by the internal combustion engine. The Visco clutch includes a clutch fluid for torque transmission. At the output side, the Visco clutch is connected to the drive shaft of the cooling liquid pump. The drive shaft of the cooling liquid pump include at least one heat pipe. The heat pipe is in heat exchange with the clutch fluid as a heat source and the cooling liquid as a heat sink. 1. An internal combustion engine , comprising:a cooling liquid circuit, which is connected or can be connected to a cylinder head r an engine block of the internal combustion engine and which comprises a cooling liquid pump which includes a drive shaft and which is constructed to convey cooling liquid in the cooling liquid circuit; anda Visco clutch, which is arranged or can be arranged for the drive by the internal combustion engine, and which includes clutch fluid for torque transmission and which is connected at the output side to the drive shaft of the cooling liquid pump,wherein the drive shaft of the cooling liquid pump includes at least one heat pipe which is or can be brought into heat exchange with the clutch fluid as a heat source and the cooling liquid as a heat sink.2. The internal combustion engine according to claim 1 , wherein the internal combustion engine is operably connected to a motor vehicle.3. The internal combustion engine according to claim 1 , wherein the Visco clutch includes plates around which the clutch fluid flows and which are connected to the drive shaft in a rotationally secure manner and via which the heat pipe is in heat exchange ...

EXHAUST COOLANT SYSTEM AND METHOD

A system includes an engine defining a water jacket fluidly coupled to a heat exchanger. An exhaust manifold defines an exhaust manifold cooling passage. A pump is fluidly coupled to the water jacket, and to each of the heat exchanger and the exhaust manifold cooling passage. An engine cooling circuit includes the water jacket, the heat exchanger, and the pump. An exhaust cooling circuit is selectively fluidly coupled to the engine cooling circuit. The exhaust cooling circuit includes the water jacket, the exhaust manifold cooling passage, and the pump. A control valve includes an inlet fluidly coupled to a first portion of the water jacket. A first outlet is fluidly coupled to a second portion of the water jacket. A second outlet is fluidly coupled to the exhaust cooling circuit. The control valve is structured to selectively control flow of coolant fluid through the second outlet. 120-. (canceled)21. system , comprising;an engine defining a water jacket;a heat exchanger in coolant fluid receiving communication with the water jacket, the heat exchanger structured to remove heat from the coolant fluid;an exhaust manifold in exhaust gas receiving communication with the engine, the exhaust manifold defining an exhaust manifold cooling passage;a pump in coolant fluid providing communication with the water jacket, the pump in coolant fluid receiving communication with each of the heat exchanger and the exhaust manifold cooling passage;an engine cooling circuit comprising the water jacket, the heat exchanger, and the pump;an exhaust cooling circuit in coolant fluid receiving communication with the pump, the exhaust cooling circuit comprising the exhaust manifold cooling passage and the pump; and an inlet in coolant fluid receiving communication with the pump, and', 'an outlet in coolant fluid providing communication with the exhaust cooling circuit, the control valve structured to selectively control flow of coolant fluid through the outlet., 'a control valve, ...

APPARATUS AND METHOD OF IMPROVING VOLUMETRIC EFFICIENCY IN AN INTERNAL COMBUSTION ENGINE

Volumetric efficiency is reduced in a premixed gaseous fuel engine compared to a premixed liquid fuel engine. An improved method for operating an internal combustion engine and improving volumetric efficiency comprises storing a gaseous fuel in a liquid state; determining a load on the internal combustion engine as a function of engine operating conditions; determining a target temperature for the gaseous fuel that reduces the likelihood of pre-ignition and knock as a function of the load; and controlling the amount of heat transferred to the gaseous fuel to convert it to one of a gas state and a supercritical state, such that the gaseous fuel is introduced into the internal combustion engine at the target temperature. 1. A method of operating an internal combustion engine and improving volumetric efficiency , said method comprising:storing a gaseous fuel in a liquid state;determining a load on said internal combustion engine as a function of engine operating conditions;determining a target temperature for said gaseous fuel that reduces the likelihood of pre-ignition and knock as a function of said load; andcontrolling the amount of heat transferred to said gaseous fuel to convert it to one of a gas state and a supercritical state, whereby said gaseous fuel is introduced into said internal combustion engine at said target temperature.2. The method of claim 1 , wherein said target temperature is determined to have a value within a predetermined range of tolerance.3. The method of claim 1 , wherein said internal combustion engine can be operated with a variable compression ratio claim 1 , and said method further comprises reducing heat transfer to said gaseous fuel when increasing an effective compression ratio.4. The method of wherein said internal combustion engine is a bi-fuel engine with a variable compression ratio claim 1 , and said method further comprises increasing an effective compression ratio when fuelling said internal combustion engine with said gaseous ...

Oil Cooled Internal Combustion Engine Cylinder Liner And Method Of Use

An oil cooled cylinder liner, a method for cooling the same, and an opposed piston engine using the oil cooled cylinder liner are described. The cylinder liner includes a liner wall that has an inner face adjacent a piston bore and an outer face including an oil gallery surface. A plurality of grooves are disposed along the oil gallery surface. The grooves run parallel to each other and are spaced apart by bridging portions of the liner wall. At least some of the grooves have at least one fin disposed therein that runs parallel with the grooves. The grooves in combination with the fins increase surface area of the oil gallery to improve heat transfer from the liner wall to oil disposed along the oil gallery surface. 1. A cylinder liner comprising:a liner wall that extends annularly about a piston bore;said liner wall having an inner face adjacent said piston bore and an outer face that is oppositely arranged with respect to said inner face;said outer face of said liner wall including an oil gallery surface that is co-extensive with at least part of said outer face;a plurality of grooves disposed along said oil gallery surface that extend inwardly into said liner wall to increase a surface area of said oil gallery surface and that run parallel to each other;each groove of said plurality of grooves having a groove depth and a groove width;said plurality of grooves being spaced apart by bridging portions of said liner wall, said bridging portions having a bridging portion width; andat least one of said grooves in said plurality of grooves having at least one fin disposed therein that runs parallel to said plurality of grooves, each fin having a maximum fin width that is smaller than said bridging portion width.2. The cylinder liner as set forth in claim 1 , wherein said at least one fin extends radially from a base to a tip and has a fin height measured between said base and said tip.3. The cylinder liner as set forth in claim 2 , wherein said fin height equals said ...

THERMOSTAT, WATER COOLING DEVICE, WATER-COOLED ENGINE, AND VESSEL PROPULSION APPARATUS

A thermostat includes an annular flange extending in radial directions and surrounded by a cylindrical large-diameter portion of a housing inner surface, and a frame extending in axial directions from the flange. The thermostat further includes a sealing member that hermetically seals the gap between the flange and the inner surface. The sealing member includes an annular outer peripheral portion sandwiched in the axial directions by the inner surface and a thermostat cover inside the large-diameter portion, and a plurality of protruding portions extending outward in the radial directions from the outer peripheral portion toward the large-diameter portion. The thermostat is disposed inside a housing that defines a portion of a cooling water passage, and opens and closes the cooling water passage according to the temperature of cooling water inside the cooling water passage. 1. A thermostat disposed in a housing defining a portion of a cooling water passage , and configured to open and close the cooling water passage according to a temperature of cooling water inside the cooling water passage , the thermostat comprising:an annular flange extending in radial directions and surrounded by a cylindrical large-diameter portion of an inner surface of the housing;a frame extending in axial directions from the annular flange; anda sealing member made of an elastic material and arranged to seal a gap between the annular flange and the inner surface of the housing; wherein an annular outer peripheral portion sandwiched in the axial directions by the inner surface of the housing and a thermostat cover inside the large-diameter portion of the inner surface of the housing; and', 'a plurality of protruding portions extending outward in the radial directions from the outer peripheral portion toward the large-diameter portion of the inner surface of the housing., 'the sealing member includes2. The thermostat according to claim 1 , wherein outer ends of the plurality of protruding ...

COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

A cooling system for an internal combustion engine is disclosed. The engine has a cylinder block and a cylinder head. The cooling system includes a cylinder head cooling circuit and a cylinder block cooling circuit. The cylinder block cooling circuit includes cylinder block core prints channels on an upper portion thereof. The cylinder head cooling circuit includes a groove connected to an outlet of the cooling system and at least one cylinder block core print channel provided with at least one passage connecting the cylinder block cooling circuit with the groove. 110-. (canceled)11. A cooling system for an internal combustion engine having a cylinder block and a cylinder head , the cooling system comprising:a cylinder block cooling circuit including cylinder block core prints channels on an upper portion thereof; anda cylinder head cooling circuit including a groove connected to an outlet of the cooling system and at least one cylinder block core print channel provided with at least one passage connecting the cylinder block cooling circuit with the groove.12. The cooling system according to claim 11 , further comprising a gasket configured to seal an interface between the cylinder head cooling circuit and the cylinder block cooling circuit claim 11 , said at least one passage being provided inside the gasket.13. The cooling system according to claim 11 , wherein the groove is connected to an outlet of the cylinder block cooling circuit.14. The cooling system according to claim 11 , wherein the passages are fluidically connected to an upper part of the cylinder block core prints channels.15. The cooling system according to claim 11 , wherein the cylinder head cooling circuit comprises cylinder head core print channels connecting the cylinder head cooling circuit with the groove.16. The cooling system according to claim 11 , wherein the groove is provided on a deckface of the cylinder head.17. The cooling system according to claim 16 , wherein the groove comprises a ...

POWER TRAIN

A power train may include an engine including a crankshaft and an engine block, a rotor portion connected to the crankshaft and of which a magnet is connected to a first side thereof, a stator portion disposed between the rotor portion and the engine block and a cylinder block water jacket formed on the engine and to which a motor cooling port for cooling a motor is formed. 1. A power train comprising:an engine including a crankshaft and an engine block;a rotor portion connected to the crankshaft and of which a magnet is connected to a first side of the rotor portion;a stator portion disposed between the rotor portion and the engine block; anda cylinder block water jacket formed on the engine and on which a motor cooling port for cooling a motor is formed.2. The power train of claim 1 , further comprising a motor housing connected to the engine block and on which a housing hole is formed claim 1 ,wherein an inlet and an outlet for coolant from the motor cooling port to be flown are formed to the motor housing for cooling the stator portion.3. The power train of claim 2 , wherein the stator portion comprises:a core plate of which a coil wraps along a radial direction of the core plate; anda stator plate on which a coil groove, into the coil is inserted therein, is formed.4. The power train of claim 2 , wherein a receiving portion for seating the stator portion is formed on the motor housing.5. The power train of claim 3 , wherein:the inlet supplies the coolant to the stator plate; andthe outlet exhausts the coolant from the stator plate.6. The power train of claim 3 , wherein:a cooling chamber is formed within the stator plate along a radial direction thereof; andthe cooling chamber communicates with the inlet and the outlet.7. The power train of claim 1 , further comprising:a transmission; anda clutch selectively transmitting rotation of the rotor portion to the transmission.8. The power train of claim 2 , wherein the rotor portion comprises:a protrude portion ...

COOLING STRUCTURE OF MULTI-CYLINDER ENGINE

A cooling structure of a multi-cylinder engine is provided, which includes cylinder bores formed in a cylinder block, a water jacket surrounding the bores, a cylinder head, and a water jacket spacer accommodated in the water jacket and having a peripheral wall formed corresponding to the cylinder bores. A length of the peripheral wall in cylinder bore axial directions is substantially the same as that of the water jacket. The peripheral wall forms, inside the water jacket, inner and outer channels, and a width of the inner channel is less than that of the outer channel. Communicating holes communicating the inner and outer channels are formed in the peripheral wall at locations between adjacent cylinder bores, respectively. Inter-bore channels into which some cooling fluid flowing from the outer channel into the inner channel flows are provided to parts of the cylinder block between the adjacent cylinder bores, respectively. 1. A cooling structure of a multi-cylinder engine having a cylinder block , comprising:a plurality of cylinder bores formed in the cylinder block;a water jacket surrounding the plurality of cylinder bores;a cylinder head; anda water jacket spacer accommodated in the water jacket of the cylinder block and having a peripheral wall formed to correspond to the plurality of cylinder bores,wherein a length of the peripheral wall in cylinder bore axial directions is substantially the same as a length of the water jacket in the cylinder bore axial directions,wherein the peripheral wall forms, inside the water jacket, an inner channel located inside the peripheral wall and an outer channel located outside the peripheral wall,wherein a width of the inner channel is less than a width of the outer channel,wherein communicating holes communicating the inner channel with the outer channel are formed in the peripheral wall at locations between adjacent cylinder bores, respectively, andwherein inter-bore channels into which some of cooling fluid flowing from ...

SEPARATE COOLING DEVICE AND A SEPARATE COOLING SYSTEM FOR A VEHICLE

A separate cooling device for a vehicle includes a separate cooling housing having a first chamber in which a first inlet and a first outlet are formed, a second chamber in which a second inlet is formed, and a partition that is disposed to form the first chamber and the second chamber and in which an intermediate hole is formed to communicate with the first chamber and the second chamber. The separate cooling device has a thermostat including a plate that opens and closes the first outlet and a valve that opens and closes the intermediate hole and has a thermo heater that selectively applies heat to the thermostat in order to open the first outlet or the first outlet and the intermediate hole. 1. A separate cooling device for a vehicle , the separate cooling device comprising:a separate cooling housing including a first chamber in which a first inlet and a first outlet are formed, a second chamber in which a second inlet is formed, and a partition that is disposed to form the first chamber and the second chamber and in which an intermediate hole is formed to communicate with the first chamber and the second chamber;a thermostat including a plate that opens and closes the first outlet and a valve that opens and closes the intermediate hole; anda thermo heater that selectively applies heat to the thermostat in order to open the first outlet or the first outlet and the intermediate hole.2. The separate cooling device of claim 1 , wherein the thermostat comprises:a thermostat housing that is connected with the plate and the valve;wax that is filled within the thermostat housing; anda spring that is disposed to elastically support the plate.3. The separate cooling device of claim 2 , wherein the thermo heater further comprises a guide rod that is inserted within the thermostat housing to apply heat to the wax and that guides a movement of the thermostat housing.4. The separate cooling device of claim 3 , wherein the thermostat is provided within the first chamber.5. The ...

CYLINDER BLOCK

A cylinder block includes: a plurality of cylinders; a water jacket through which a coolant flows along an outer periphery of the plurality of cylinders; and insertion members which are inserted into the water jacket formed at both sides of the plurality of cylinders in order to separately cool upper and lower portions of the plurality of cylinders, in which the insertion members restrict a flow of the coolant at a lower side of the water jacket and generate a flow of the coolant at an upper side of the water jacket. 1. A cylinder block , comprising:a plurality of cylinders;a water jacket through which a coolant flows along an outer periphery of the plurality of cylinders; andinsertion members which are inserted into the water jacket formed at both sides of the plurality of cylinders in order to separately cool upper and lower portions of the plurality of cylinders,wherein the insertion members restrict a flow of the coolant at a lower side of the water jacket and generate a flow of the coolant at an upper side of the water jacket.2. The cylinder block of claim 1 , wherein the insertion members include:a first insertion member which is inserted at one side of the water jacket; anda second insertion member which is inserted at another side of the water jacket.3. The cylinder block of claim 2 , wherein the first insertion member and the second insertion member include:frame members which include flow restricting portions that are formed at the lower side of the water jacket and have a semi-circular shape to surround bores of the plurality of cylinders; andthermal insulating members which are disposed between the plurality of cylinders and the frame members and attached to the flow restricting portions.4. The cylinder block of claim 3 , wherein the frame member includes:flow portions which protrude from the flow restricting portions toward the upper side of the water jacket and generate a flow of the coolant.5. The cylinder block of claim 3 , wherein:the flow ...

Radiator-Less Liquid Cooling

This invention is a simple method that would eliminate the need for a conventional liquid cooling system for an internal combustion engine with compression ignition (no spark plugs). It would replace the radiator, water pump, thermostat, etc. with computer controlled water injectors that fire directly into the combustion chamber(s). The engine control computer would control engine temperature by alternating the firing of the fuel and water injectors. Such an engine would be an internal combustion/steam engine hybrid when it reaches high temperatures. 1. “Radiator-Less Liquid Cooling” is a simple method to extract energy from an internal combustion engine by utilizing what would normally be heat loss. Such an engine would have no radiator , water pump , thermostat , etc. The engine temperature would be solely regulated by computer controlled water injectors that fire directly into the combustion chamber(s). The engine control computer would alternate the firing of the fuel and water injectors to regulate engine temperature.2. Such an engine would be of compression ignition type (no spark plugs).3. (canceled)4. (canceled)5. Such an engine would require a temperature sensor for every cylinder.6. (canceled) This invention relates to the manufacture of liquid cooled internal combustion engines with compression ignition (no spark plugs).The modern method of liquid cooling an internal combustion engine was pioneered during and prior to the first world war. It involves the use of a radiator, water pump, thermostat, etc. to maintain proper engine temperature.Modern engines have a thermal efficiency of only about 25-40%. “Radiator-Less Liquid Cooling” would significantly raise this number by utilizing what would normally be heat loss.Many methods have been proposed to extract energy from steam from an internal combustion engine such as patents-U.S. Pat. Nos. 1,324,2183 3,921,404 4,122,803 4,300,353 4,301,655 4,322,950 4,377,934 4,402,182 4,406,127 4,433,548 4,509,464 4,590, ...

ENGINE DEVICE

An engine including a common rail attached to one side portion of a cylinder block that pivotally supports a crankshaft in a rotatable mariner, the one side portion extending along a crankshaft center, and the common rail being configured to supply a fuel to the engine. A flywheel housing that accommodates a flywheel that is rotated integrally with the crankshaft is disposed in one side portion out of opposite side portions of the cylinder block intersecting the one side portion. One end portion of the common rail is disposed above the flywheel housing. 1. An engine device comprising a common rail attached to one lateral side portion of a cylinder block configured to pivotally support a crankshaft in a rotatable manner , the one lateral side portion extending along a crankshaft center , and the common rail being configured to supply a fuel to an engine , wherein:a flywheel housing is disposed in one side portion out of opposite side portions of the cylinder block intersecting the one lateral side portion, the flywheel housing accommodating a flywheel that is rotated integrally with the crankshaft, andone end portion of the common rail is disposed above the flywheel housing,a connector of the common rail electrically connected to an engine controller is disposed below an intake manifold that is provided to a cylinder head mounted on the cylinder block,the one lateral side portion of the cylinder block has a concavo-convex surface portion that corresponds to a shape of a coolant passage provided inside the cylinder block, anda connection port of the connector is directed toward a concave region of the concavo-convex surface portion in side view.2. (canceled)3. The engine device according to claim 1 , whereinthe intake manifold is formed integrally with the cylinder head.4. (canceled)5. The engine device according to claim 1 , whereinan exhaust-gas recirculation device is coupled to the intake manifold, the exhaust-gas recirculation device being configured to mix part ...

EXHAUST COOLANT SYSTEM AND METHOD

A system includes an engine defining a water jacket fluidly coupled to a heat exchanger. An exhaust manifold defines an exhaust manifold cooling passage. A pump is fluidly coupled to the water jacket, and to each of the heat exchanger and the exhaust manifold cooling passage. An engine cooling circuit includes the water jacket, the heat exchanger, and the pump. An exhaust cooling circuit is selectively fluidly coupled to the engine cooling circuit. The exhaust cooling circuit includes the water jacket, the exhaust manifold cooling passage, and the pump. A control valve includes an inlet fluidly coupled to a first portion of the water jacket. A first outlet is fluidly coupled to a second portion of the water jacket. A second outlet is fluidly coupled to the exhaust cooling circuit. The control valve is structured to selectively control flow of coolant fluid through the second outlet. 1. A system , comprising:an engine defining a water jacket;a heat exchanger in coolant fluid receiving communication with the water jacket, the heat exchanger structured to remove heat from the coolant fluid;an exhaust manifold in exhaust gas receiving communication with the engine, the exhaust manifold defining an exhaust manifold cooling passage;a pump in coolant fluid providing communication with the water jacket, the pump in coolant fluid receiving communication with each of the heat exchanger and the exhaust manifold cooling passage;an engine cooling circuit comprising the water jacket, the heat exchanger, and the pump;an exhaust cooling circuit in coolant fluid receiving communication with the engine cooling circuit, the exhaust cooling circuit comprising the water jacket, the exhaust manifold cooling passage, and the pump; and an inlet in coolant fluid receiving communication with a first portion of the water jacket,', 'a first outlet in coolant fluid providing communication with a second portion of the water jacket, and', 'a second outlet in coolant fluid providing communication ...

Coolant control valve and cooling system having the same

A coolant control valve unit for a vehicle is disclosed. The coolant control valve unit includes a cam having an upper surface to which a driving axle is connected and a lower surface having at least one sloped surface with a profile set in a rotation direction on the basis of the driving axle, a valve provided in a rod supported on one side of the sloped surface, an actuator rotating the driving axle to push the rod along the profile of the sloped surface of the cam to cause the valve to open and close a coolant passage, a cam cover supporting an upper surface of the cam, and an annular cam bearing interposed between the cam cover and the cam, excluding a central region in which the driving axle is formed.

LIQUID-COOLED INTERNAL COMBUSTION ENGINE COMPRISING A CYLINDER BLOCK, AND METHOD FOR PRODUCING AN ASSOCIATED CYLINDER BLOCK

Methods and system are provided for a cooling arrangement of an engine. In one example, the cooling arrangement may include first and second cooling ducts, where the second cooling ducts are arranged in gaps formed between adjacent cylinders and the first ducts are arranged outside of the gaps of the adjacent cylinders. 1. A liquid-cooled internal combustion engine having:at least one cylinder head comprising at least one cylinder;at least one cylinder block, which is connected to the at least one cylinder head and which serves as an upper crankcase half, for accommodating at least one piston;the at least one cylinder comprises a combustion chamber which is formed jointly by the at least one piston, by a cylinder barrel, and by the at least one cylinder head, the piston being displaceable in translational fashion along a cylinder longitudinal axis; andthe cylinder block is equipped with a liquid-type cooling arrangement, wherein the cylinder block is equipped with a first coolant duct and a second coolant duct, the first and second coolant ducts forming a liquid-type cooling arrangement, the first and second coolant ducts meandering so as to form loops along the cylinder longitudinal axis at a distance from the cylinder barrel, and where a density of the loops increases toward the at least one cylinder head, and where the first and second coolant ducts are fluidly coupled to a coolant system via first and second valves, respectively, the first and second valves being configured to adjust coolant flow to the first and second coolant ducts individually.2. The liquid-cooled internal combustion engine of claim 1 , wherein the first and second coolant ducts are U-shaped.3. The liquid-cooled internal combustion engine of claim 1 , wherein the first and second coolant ducts form loops along the cylinder longitudinal axis over an angle γ.4. The liquid-cooled internal combustion engine of claim 3 , wherein claim 3 , for the angle γ claim 3 , the following applies: γ≤270°.5. ...

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

The invention relates to a liquid-cooled internal combustion engine comprising at least one cylinder block which has a cooling jacket () and comprises multiple cylinders (). The cooling jacket () has a base () facing a crankcase and a cover () facing a cylinder head sealing plane (), and the base () has an undulating course when seen in a lateral view of the cylinder block. A first spacing (H) between two adjacent cylinders () in the region of at least one first motor transverse plane () is larger than a second spacing (H) between the base () of the cooling jacket () and the cover () in the region of at least one second motor transverse plane () containing the cylinder axis () when measured in the direction of the cylinder axis () in both cases. In order to minimize cylinder deformations, the base () of the cooling jacket () has at least one first flat section () arranged on a first reference plane (ε) in the region of the first motor transverse plane (), wherein the first reference plane (ε) is preferably formed parallel to the cylinder head sealing plane () of the cylinder block. Thus, the base () has a roof-like shape starting from the flat section in the region between the screws in the free cylinder lining region (the cylinder tube between the tapped holes). 11213443982314109318124aa. A liquid-cooled internal combustion engine comprising at least one cylinder block , which has a cooling jacket () , comprising multiple cylinders () , wherein the cooling jacket () has a bottom () facing toward a crankcase and a cover () facing toward a cylinder head seal plane () and the bottom ()—observed in a side view of the cylinder block—has a wavy profile , wherein—measured in each case in the direction of the cylinder axis ()—a first distance (H) in the region of at least one engine transverse plane () between two adjacent cylinders () is greater than a second distance (H) of the bottom () of the cooling jacket () from the cover () in the region of at least one second ...

APPARATUS FOR COOLING VEHICLE ENGINE

An apparatus for cooling a vehicle engine includes a combustion chamber having a reciprocating piston, a water jacket for flowing cooling water to cool the combustion chamber, and a cylinder block forming a structure of the engine, wherein the cylinder block is equipped with a cylinder block body that includes the combustion chamber, and wherein the cylinder block includes a plurality of EGR coolers that exchange heat with the cooling water supplied to the combustion chamber. 1. An apparatus for cooling a vehicle engine , the apparatus comprising:a combustion chamber having a reciprocating piston;a water jacket for flowing cooling water to cool the combustion chamber; anda cylinder block forming a structure of the engine,wherein the cylinder block is equipped with a cylinder block body that includes the combustion chamber, and wherein the cylinder block includes one or more EGR coolers that exchange heat with cooling water supplied to the cylinder block body.2. The apparatus of claim 1 , wherein the cylinder block body comprises an EGR cooler insertion part which is formed in a longitudinal direction of the cylinder block body claim 1 , and to which the cooling water is introduced claim 1 ,wherein the one or more EGR coolers is inserted into the EGR cooler insertion part.3. The apparatus of claim 2 , wherein the EGR cooler insertion part is formed with one or more chambers into which the one or more EGR coolers is inserted.4. The apparatus of claim 3 , wherein if the cylinder block includes two or more EGR coolers claim 3 , the two or more EGR coolers comprise:a first EGR cooler which is inserted into one of the one or more chambers; anda second EGR cooler which is inserted into another one of the one or more chambers,wherein the first EGR cooler and the second EGR cooler have a different amount of inhaled exhaust gas,wherein the first EGR cooler comprises:a first EGR cover for closing the EGR cooler insertion part; anda first gas tube installed in the first EGR ...

INTEGRATED HYBRID POWER APPARATUS

An integrated hybrid power apparatus provided in a flying body includes a generator including a stator and a rotor, at least one engine disposed adjacent to the generator and including a cylinder, and a cooler configured to cool the generator and the engine and perform water-cooling that allows a coolant to circulate in the generator and the engine. 1. An integrated hybrid power apparatus provided in a flying body , comprising:a generator comprising a stator and a rotor;at least one engine disposed adjacent to the generator and comprising a cylinder; and 'wherein the cooler performs water-cooling that allows a coolant to circulate in the generator and the engine.', 'a cooler configured to cool the generator and the engine,'}2. The integrated hybrid power apparatus of claim 1 , wherein the cooler comprises:a cooling fin formed on one side of the stator or the rotor; anda generator water jacket configured to surround the cooling fin.3. The integrated hybrid power apparatus of claim 1 , wherein the rotor is disposed on an outer side the stator claim 1 , andthe cooler comprises:a cooling fin protruding to an inner side of the stator; anda generator water jacket configured to surround the cooling fin on the inner side of the stator and form a coolant flow path inside.4. The integrated hybrid power apparatus of claim 2 , wherein the generator water jacket comprises a coolant inlet port and a coolant outlet port claim 2 ,wherein the coolant inlet port and the coolant outlet port are configured to induce the coolant to flow.5. The integrated hybrid power apparatus of claim 4 , wherein the cooler comprises a cylinder water jacket formed inside the cylinder of the engine and configured to form a coolant flow path claim 4 , wherein the coolant inlet port of the cylinder water jacket and the coolant inlet port of the generator water jacket are connected to a coolant inlet,', 'the coolant outlet port of the generator water jacket is connected to the cylinder water jacket on one ...

Vehicle water jacket

A vehicle water jacket assembly includes a first water jacket portion establishing a plurality of first fluid channels that are situated to facilitate fluid movement along at least a first plane. A second water jacket portion is situated near the first water jacket portion. The second water jacket portion establishes a plurality of second fluid channels that are situated to facilitate fluid movement along at least a second plane that is generally parallel to the first plane. At least one connector portion establishes a plurality of connector fluid channels that are situated to facilitate fluid movement between at least one of the first fluid channels and at least one of the second fluid channels along a direction that is transverse to the first and second planes.

PISTON COOLING JETS

An oil spray system for use in an engine for spraying directly onto a piston or cylinder wall, includes a supply line having at least one nozzle mounted to the supply line and at least one outlet on the nozzle. The system can include a control device. The control device can be mounted to the supply line. The nozzle and/or outlet is configurable to provide a predetermined spray direction or pattern. 1. An oil spray system for use in an engine , for spraying a stream of oil directly onto a piston or cylinder wall , comprising:a supply line; andat least one nozzle mounted to the supply line, the at least one nozzle having at least one outlet,wherein the at least one nozzle is configurable to provide at least one predetermined spray direction or pattern.2. The oil spray system of claim 1 , including a control device mounted to the supply line.3. The oil spray system of claim 1 , wherein the supply line is a manifold having at least two nozzles mounted thereto.4. The oil spray system of claim 3 , wherein the at least two nozzles are configured to provide converging and/or diverging spray patterns.5. The oil spray system of claim 1 , wherein each nozzle includes at least two outlets.6. The oil spray system of claim 5 , wherein the at least two outlets are configured to provide converging and/or diverging spray patterns.7. The oil spray system of claim 1 , wherein the control device is positioned between an oil supply and a first of the at least one nozzle.8. The oil spray system of claim 1 , wherein each nozzle is an element separate from the supply line and is attached thereto.9. The oil spray system of claim 1 , wherein a connecting portion between the supply line and each nozzle extends outwardly from the supply line.10. The oil spray system of claim 9 , wherein the nozzle includes at least two outlets claim 9 , the outlets formed in the nozzle at different distances from a juncture of the nozzle and the supply line.11. The oil spray system of claim 2 , wherein the ...

INTERNAL COMBUSTION ENGINE

An internal combustion engine includes: a cylinder block in which a cylinder is formed; a cylinder head including an intake port and an exhaust port, the cylinder head being integrally formed with the cylinder block; a water jacket covering circumferences of the cylinder, the intake port, and the exhaust port; and a partition wall dividing the water jacket into a cylinder block side and a cylinder head side, the partition wall being inclined so that an exhaust port side is positioned nearer to a cylinder head side than an intake port side. 1. An internal combustion engine comprising:a cylinder block in which a cylinder is formed;a cylinder head including an intake port and an exhaust port, the cylinder head being integrally formed with the cylinder block;a water jacket covering circumferences of the cylinder, the intake port, and the exhaust port; anda partition wall dividing the water jacket into a cylinder block side and a cylinder head side,the partition wall being inclined so that an exhaust port side is positioned nearer to a cylinder head side than an intake port side.2. The internal combustion engine as claimed in claim 1 , wherein the internal combustion engine includes a combustion chamber formed by the cylinder claim 1 , a piston arranged to be reciprocated within the cylinder claim 1 , and the cylinder head; the exhaust port is connected from one side surface side of the internal combustion engine to a top portion of the combustion chamber; the intake port is connected from the other side surface side of the internal combustion engine to the top portion of the combustion chamber; the partition wall is connected to a connection portion between the top portion of the combustion chamber and the exhaust port claim 1 , on the one side surface side of the internal combustion engine claim 1 , with respect to the combustion chamber; and the partition wall is connected to a side portion of the combustion chamber claim 1 , on the other side surface side of the ...

VALVE DEVICE AND COOLING SYSTEM

A cooling water control valve controls a flow amount of a cooling medium of an engine, and includes a housing and a valve body. The housing includes output ports. The valve body is enabled to rotate about a central axis in the housing and includes openings. The openings are located at different positions in an axial direction and configured to communicate to the output ports, respectively. The valve body changes a communication degree between the opening and the output port according to a rotational position. The cooling water control valve is placed such that an axial direction of the valve body is substantially orthogonal to an axial direction of a crankshaft of the engine. 1. A valve device configured to control a flow amount of a cooling medium of an engine , comprising:a housing including a plurality of ports; anda valve body enabled to rotate about a central axis in the housing and includes a plurality of openings located at different positions in an axial direction and configured to communicate the ports, respectively, and that changes a communication degree between the opening and the port according to a rotational position, whereinthe valve device is placed such that an axial direction of the valve body is substantially orthogonal to an axial direction of a driving shaft of the engine.2. The valve device according to claim 1 , whereinthe valve device is placed between the engine and a power converter used for a power converter that is a power source different from the engine.3. The valve device according to claim 1 , whereinthe engine is placed such that an axial direction of the driving shaft of the engine is parallel to a width direction of a vehicle.4. The valve device according to claim 1 , whereinthe valve device is placed to overlap a projection of the valve device in a vertical direction and a projection of a transmission assembled on the engine in the vertical direction.5. The valve device according to claim 1 , whereinthe valve device is placed in ...

PARENT BORE CYLINDER BLOCK OF AN OPPOSED-PISTON ENGINE

A parent bore cylinder block of an internal combustion, opposed-piston engine includes cooling passages that are formed using a -D printed casting core. The casting core can include portions that are ceramic. The parent bore cylinder block can include multiple cylinders, each cylinder with cooling passages and turbulence inducing features in those cooling passages, particularly surrounding the central portions of the cylinders. 1. A parent bore cylinder block of an opposed-piston internal combustion engine , comprising:a cylinder including a cylinder bore with a bore surface and a longitudinal axis;a combustion zone in an intermediate portion of the cylinder along the longitudinal axis of the cylinder bore; anda cooling jacket portion surrounding the combustion zone on an outside portion of the cylinder the cooling jacket enclosing cooling features;wherein the parent bore cylinder block is cast from a single type of metal or metal alloy using at least one printed core to define the cooling features.2. The parent bore cylinder block of claim 1 , further comprising longitudinally separated intake and exhaust ports claim 1 , each port comprising:an array of adjacent port openings in the parent bore cylinder block arranged along a respective circumference of the cylinder in a respective plenum of the engine; anda port bridge between each pair of adjacent port openings.3. The parent bore cylinder block of claim 2 , further comprising a cooling passage for conducting coolant through at least one port bridge of the exhaust port.4. The parent bore cylinder block of any one of - claim 2 , wherein the parent bore cylinder block is made of a single metal casting.5. The parent bore cylinder block of claim 4 , wherein the port openings are cast features in the parent bore cylinder block.6. The parent bore cylinder block of claim 1 , wherein the cooling features comprise any of pegs claim 1 , walls claim 1 , ridges claim 1 , ribs claim 1 , and other protrusions from an outer wall ...

Four-cylinder engine with two deactivatable cylinders

A method for operating an internal combustion engine is provided. The method includes during a first operating condition, operating two primary cylinders and two secondary cylinders to perform combustion, the two primary and secondary cylinders arranged in an inline configuration, the two primary cylinder adjacent to one another, the two secondary cylinders adjacent to one another, and the secondary cylinders positioned 175°-185° out of phase relative to the two primary cylinders and during a second operating condition, selectively deactivating the two secondary cylinders to perform combustion in only the two primary cylinders.

WATER JACKET FOR CYLINDER BLOCK

A water jacket for a cylinder block may include a first main body formed inside the cylinder block at a first side thereof, and a second main body formed at a second side thereof, and in which coolant flows, a first sub-body formed at an upper portion of the first main body, and a second sub-body formed at an upper portion of the second main body, each of the first and second sub-bodies being connected to an inside of a cylinder head to flow a coolant into an upper portion of the cylinder block and the cylinder head, a first insert member disposed between the first main body and the first sub-body to partition the first main body and the first sub-body, and a second insert member disposed between the second main body and the second sub-body to partition the second main body and the second sub-body. 1. A water jacket for a cylinder block , inside of which a plurality of combustion chambers are disposed and on an upper portion of which a cylinder head is mounted , the water jacket comprising:a first main body formed inside the cylinder block along a length direction thereof at a first side thereof, and a second main body formed along the length direction at a second side thereof based on a width direction of a vehicle, and in which coolant flows;a first sub-body formed at an upper portion of the first main body, and a second sub-body formed at an upper portion of the second main body, each of the first and second sub-bodies being connected to an inside of the cylinder head to flow a coolant into an upper portion of the cylinder block and the cylinder head;a first insert member disposed between the first main body and the first sub-body to partition the first main body and the first sub-body; anda second insert member disposed between the second main body and the second sub-body to partition the second main body and the second sub-body.2. The water jacket for the cylinder block of claim 1 , wherein the first and second main bodies are divided and cooled in the width ...

WATER JACKET FOR ENGINE

A water jacket apparatus for an engine may include a block water jacket provided in the cylinder block, interposing the combustion chamber therebetween, a head water jacket provided in the cylinder head corresponding to the combustion chamber, and an insert member portioning the block water jacket into an upper block water jacket and a lower block water jacket by being inserted into an upper portion of the block water jacket, and enabling the upper block water jacket to be interworked with the head water jacket. 1. A water jacket apparatus for an engine including a combustion chamber formed thereinside , a cylinder block where a piston is reciprocally movably installed to compress or expand the combustion chamber , and a cylinder head installed in an upper portion of the cylinder block , comprising:a block water jacket provided in the cylinder block, interposing the combustion chamber therebetween;a head water jacket provided in the cylinder head corresponding to the combustion chamber and fluidically connected to the block water jacket; andan insert member inserted into an upper portion of the block water jacket and portioning the block water jacket into an upper block water jacket and a lower block water jacket, for enabling the upper block water jack-t to be interworked with the headwater jacket.2. The water jacket apparatus for the engine of claim 1 , wherein the insert member is installed toward the combustion chamber from an upper portion of the block water jacket.3. The water jacket apparatus for the engine of claim 1 , wherein the upper block water jacket is disposed toward an outer side of the cylinder block in the inside of the cylinder block.4. The water jacket apparatus for the engine of claim 3 , wherein the lower block water jacket is disposed toward the combustion chamber in the inside of the cylinder block to be stepped with the upper block water jacket.5. The water jacket apparatus for the engine of claim 1 , wherein a coolant introduced into the ...

Method and apparatus for cooling a cylinder head

A water jacket for a cylinder head of an internal combustion engine includes a coolant chamber arranged to permit the flow of coolant within the water jacket and a coolant conduit positioned to permit the flow of coolant proximate to a recess for receiving an exhaust valve mounted to the cylinder head. The coolant conduit is in fluid communication with the coolant chamber, and the coolant conduit is shaped as a complex curve. A water jacket includes a pair of apertures arranged to receive a spark plug and a fuel injector. The apertures are separated by a separating member, and a coolant chamber is arranged to permit the flow of coolant about the apertures. The separating member includes a coolant channel in fluid communication with the coolant chamber so as to permit the flow of coolant between the apertures.

EFFICIENT THERMAL ENERGY POWER DEVICE AND WORK-DOING METHOD THEREFOR

Disclosed is an efficient thermal energy power apparatus. A nozzle is arranged on a cylinder head of an internal combustion engine. The nozzle is connected to a pressure pump through a pipe. The pressure pump is connected to a liquid storage tank through a pipe. The liquid storage tank is connected to a cooler through a pipe, and the cooler is connected to an exhaust passage through a pipe. The advantages of the present invention are: a working stroke enables the temperature of a cylinder block to be lowered, and the compression ratio is high; due to being filtered by the cooler and the liquid storage tank, discharged exhaust gas is more environmentally friendly than that of existing engines. 1. An efficient thermal energy power apparatus , comprising:a nozzle, arranged on a cylinder head of an internal combustion engine; the nozzle being connected to a pressure pump through a pipe; the pressure pump being connected to a liquid storage tank through the pipe; the liquid storage tank being connected to a cooler through the pipe; and the cooler being connected to an exhaust passage through the pipe.2. The efficient thermal energy power apparatus of claim 1 , wherein a cylinder block and the cylinder head of the internal combustion engine are made of thermally conductive metal material.3. The efficient thermal energy power apparatus of claim 2 , wherein the cylinder block and the cylinder head of the internal combustion engine are made of thermal conductive metal material claim 2 , thermally conductivity of the thermally conductive metal material being over 300 W/m·K claim 2 , preferably claim 2 , an alloy made of gold claim 2 , silver claim 2 , and copper.4. A working method of an efficient thermal energy power apparatus claim 2 , comprising:providing an air injection working stroke of working medium injected from a nozzle and an exhaust stroke after a compression and a combustion in the efficient thermal energy power apparatus;wherein the compression and an expansion ...

ENHANCED AERO DIESEL ENGINE

A ferritic aero diesel engine. The ferritic aero diesel engine includes an iron crankcase, a steel crankshaft and eight steel piston assemblies. The iron crankcase has a flat, horizontally opposed eight cylinder arrangement with a first set of cylinder walls defining a first set of cylinders in a first bank and a second set of cylinder walls defining a second set of cylinders in an opposed second bank. The steel crankshaft is rotatably mounted at least partially within the iron crankcase. Each of the steel piston assemblies of the plurality of steel piston assemblies is received within a respective cylinder of the iron crankcase and is coupled to the steel crankshaft. The first and second sets of cylinder walls have a minimum wall thickness of between approximately 4.8 and 5.2 mm. 1. A ferritic aero diesel engine comprising:an iron crankcase having a flat, horizontally opposed eight cylinder arrangement with a first set of cylinder walls defining four cylinders in a first bank and a second set of cylinder walls defining four cylinders in an opposed second bank;a steel crankshaft rotatably mounted at least partially within the iron crankcase; andeight steel piston assemblies, each of the steel piston assemblies received within a respective cylinder of the iron crankcase and coupled to the steel crankshaft;wherein the first and second sets of cylinder walls have a minimum wall thickness of between approximately 4.8-5.2 mm.2. The ferritic aero diesel engine of claim 1 , wherein the ferritic aero diesel engine with accessories weighs between approximately 595-680 lbs. (without operating fluids).3. The ferritic aero diesel engine of claim 1 , wherein the ferritic aero diesel engine is configured to produce between approximately 300-450 hp.4. The ferritic aero diesel engine of claim 1 , further comprising a first aluminum cylinder head and a second aluminum cylinder head claim 1 , wherein the first aluminum cylinder head and the second aluminum cylinder head are operably ...

ENGINE COOLING SYSTEM FOR MOTORCYCLE

An engine cooling system for a motorcycle of the present invention includes an engine that includes a crankcase and a cylinder, a water pump to supply cooling water to the engine, and a radiator that dissipates heat of internally circulating cooling water by receiving a travelling wind. The water pump is an electrically operated type including a driving motor, and disposed independently of the crankcase. 1. An engine cooling system for a motorcycle , comprising:an engine that includes a crankcase and a cylinder;a water pump to supply cooling water to the engine; anda radiator that dissipates heat of internally circulating cooling water by receiving a travelling wind, whereinthe water pump is an electrically operated type having a driving motor, and disposed independently of the crankcase.2. The engine cooling system for the motorcycle according to claim 1 , whereinthe water pump is disposed such that a pump shaft of the water pump is separated from a pump shaft of an oil pump in a side view of the vehicle body, andin a vehicle body width direction, the water pump is disposed such that at least apart of the water pump is lying inside outer ends of the crankcase, the cylinder, or the radiator.3. The engine cooling system for the motorcycle according to claim 1 , whereinthe water pump is disposed ahead of the crankcase or the cylinder and rear of a rear end portion of a front wheel, and disposed downward of the radiator in the side view of the vehicle body.4. The engine cooling system for the motorcycle according to claim 1 , whereinthe crankcase includes a balancer shaft holder ahead of a shaft of an internal crankshaft, andat least a part of the water pump overlaps with respect to the balancer shaft holder in the vertical direction, and the water pump is disposed ahead of the crankcase and downward of the balancer shaft holder in the side view of the vehicle body.5. The engine cooling system for the motorcycle according to claim 1 , whereinthe crankcase includes a ...

COOLING SYSTEM

The cooling system is provided with an internal passage for circulating the cooling water inside an internal combustion engine, a water pump provided in an one end side external passage connected to the one end portion of the internal passage, and an ECU configured to execute a water flow switching control that switches a cooling water flow in the internal passage between a forward flow directed from the one end portion of the internal passage to the other end portion and a reverse flow directed from the other end portion to the one end portion. 1. A cooling system for cooling an internal combustion engine , comprising:an internal passage that circulates cooling water inside the internal combustion engine;a water pump provided in one end side external passage connected to one end portion of the internal passage;a water flow switching unit configured to execute a water flow switching control that switches the cooling water flow in the internal passage between a forward flow directed from the one end portion to the other end portion of the internal passage and a reverse flow directed from the other end portion to the one end portion;a bypass passage configured to divert and rejoin the cooling water into the other end portion side of the internal passage and/or the other end side external passage connected to the other end portion side;a cooling water reservoir provided in the bypass passage and capable of temporarily storing and discharging the cooling water; anda two-way valve provided in the other end side or the other end side external passage of the internal passage in parallel with the bypass passage, whereinthe water flow switching unit executes the water flow switching control by controlling the water pump and the two-way valve.2. The cooling system according to claim 1 , further comprising:a water temperature acquisition unit configured to acquire temperature of the cooling water inside the internal combustion engine, whereinthe water flow switching unit ...

SYSTEMS AND METHODS FOR REDUCING ENGINE OVERHEATING USING LIQUID FUEL

Systems and methods are provided for cooling an overheated engine using a combination of variable displacement engine (VDE) technology and direct injection technology. In one example, a method may include deactivating a subset of engine cylinders based on an engine temperature and directly injecting liquid fuel into the deactivated cylinders. In this way, an increased thermal conductivity of the liquid fuel compared to air decreases the engine temperature at a faster rate than when air-based engine cooling methods are used, thereby preventing overheating-related engine degradation. 1. A method , comprising:deactivating a subset of cylinders of a multiple cylinder engine based on a temperature of the engine; anddirectly injecting fuel into each of the subset of cylinders during the deactivation.2. The method of claim 1 , wherein the deactivating the subset of cylinders based on the temperature of the engine comprises:operating with the engine temperature greater than a threshold temperature, and in response to the engine temperature being greater than the threshold temperature, deactivating the subset of cylinders; andoperating with the engine temperature less than or equal to the threshold temperature, and in response to the engine temperature being less than or equal to the threshold temperature, not deactivating the subset of cylinders.3. The method of claim 2 , further comprising an intake valve claim 2 , an exhaust valve claim 2 , and a spark plug coupled to each cylinder claim 2 , and wherein the deactivating includes fully closing the intake valve and the exhaust valve of each of the subset of cylinders and disabling sparking of the spark plug of each of the subset of cylinders so that the injected fuel is not combusted.4. The method of claim 3 , further comprising: activating the intake valve and the exhaust valve coupled to each of the subset of engine cylinders; and', 'exhausting the injected fuel., 'after a threshold time duration of the deactivation is ...

WATER JACKET OF ENGINE AND ENGINE COOLING SYSTEM HAVING THE SAME

A water jacket of an engine may include: a block-side water jacket formed in a cylinder block of the engine and surrounding a cylinder of the cylinder block; and a head-side water jacket formed in a cylinder head of the engine and surrounding a combustion chamber and an exhaust port of the cylinder head. In particular, the head-side water jacket includes: a first coolant passage surrounding the combustion chamber of the cylinder head, and a second coolant passage surrounding the exhaust port of the cylinder head, and the second coolant passage is fluidly separated from the first coolant passage. 1. A water jacket of an engine , the water jacket comprising:a block-side water jacket formed in a cylinder block of the engine and surrounding a cylinder of the cylinder block; anda head-side water jacket formed in a cylinder head of the engine and surrounding a combustion chamber and an exhaust port of the cylinder head,wherein the head-side water jacket includes a first coolant passage surrounding the combustion chamber of the cylinder head, and a second coolant passage surrounding the exhaust port of the cylinder head, andwherein the second coolant passage is fluidly separated from the first coolant passage.2. The water jacket according to claim 1 , wherein the first coolant passage is directly fluidly connected to the block-side water jacket.3. An engine cooling system claim 1 , comprising: a first coolant passage surrounding a combustion chamber of the cylinder head, and', 'a second coolant passage surrounding an exhaust port of the cylinder head;, 'an engine including a cylinder block having a block-side water jacket and a cylinder head having a head-side water jacket, wherein the head-side water jacket includesa first coolant loop communicating with the block-side water jacket and the first coolant passage of the head-side water jacket;a second coolant loop communicating with the second coolant passage of the head-side water jacket; anda coolant control valve ...

MIXING DEVICE FOR A FUEL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

A fuel injection system () for an internal combustion engine has a low-pressure pump for delivering fuel from a fuel tank. The fuel is fed upstream of an injector () of the fuel injection system () to a mixing device (). The mixing device () has a mixer housing () with a fuel connection () for receiving fuel and with at least one coolant connection () for receiving a coolant. For the purpose of bringing about efficient mixing of the fuel and the coolant, before a collision of a fuel jet () of the fuel and a coolant jet () of the coolant, the two fluid jets () are formed to be at least partially aligned in the same direction. 1. A mixing device for a fuel injection system of an internal combustion engine , the fuel injection system having a low-pressure pump for delivering fuel from a fuel tank to the mixing device and subsequently to an injector of the fuel injection system , the mixing device comprising a mixer housing with a fuel connection for receiving fuel , and at least one coolant connection for receiving a coolant , the mixer housing having a mixing chamber configured so that a fuel jet of the fuel and a coolant jet of the coolant in the mixing chamber of the mixer housing are at least partially aligned in a common direction in the mixing chamber to bring about efficient mixing of the fuel and the coolant as a fuel-coolant mixture before a collision of the fuel jet of the fuel and the coolant jet of the coolant in a mixing chamber.2. The mixing device of claim 1 , whereinthe fuel connection of the mixer housing has a passage opening with a longitudinal axis that is coaxial with a nozzle for an outflow of the fuel-coolant mixture, and the coolant connection of the mixer housing has a receiving opening with an opening longitudinal axis, the opening longitudinal axis of the receiving opening and the longitudinal axis of the passage opening of the fuel connection being arranged at an acute angle to one another in a flow direction of the fluid jets.3. The mixing ...

RAPID WARM-UP SCHEMES OF ENGINE AND ENGINE COOLANT FOR HIGHER FUEL EFFICIENCY

A system for rapidly heating a vehicle engine when the engine is below a pre-determined temperature allows for improved fuel efficiency after a vehicle cold-start. The system includes an organic Rankine cycle (ORC) loop having a two-phase ORC fluid traveling circuitously through a conduit. The ORC fluid is vaporized by a power electronics cooling device and by an evaporator in thermal communication with exhaust waste heat. The vaporized ORC fluid is passed through an expander to generate electrical power. When the vehicle engine is below the pre-determined temperature, heat from the vaporized ORC fluid is transferred directly or indirectly to the engine. When the vehicle engine is at or above the pre-determined temperature, heat from the vaporized ORC fluid is instead transferred to an alternate heat sink. 1. A system for rapidly heating a vehicle engine , the system comprising:an engine block; and direct vaporized ORC fluid through the engine block when the engine is operating below a pre-determined temperature; and', 'direct condensed ORC fluid through the engine block when the engine is operating at or above the pre-determined temperature., 'an ORC fluid conduit in direct thermal communication with the engine block, the ORC fluid conduit being configured to direct an ORC fluid through a circuit, the ORC loop being configured to selectively, 'an organic Rankine cycle (ORC) loop comprising2. The system as recited in claim 1 , further comprising at least one of a power electronics cooler and an evaporator to vaporize the ORC fluid.3. The system as recited in claim 1 , further comprising an expander configured to decrease a pressure of the vaporized ORC fluid claim 1 , wherein the expander is in mechanical communication with an electric generator configured to produce electrical power.4. The system as recited in claim 1 , further comprising a heat sink in thermal communication with the ORC loop and configured to remove heat from low pressure vaporized ORC fluid.5. ...

Structure Mounted in Water Jacket for Cylinder Block

A structure is mounted in a water jacket for a cylinder block of an engine. The structure includes a body forming a housing mounting portion including a panel formed in an arc shape so as to have inner and outer curved surfaces to be surrounded by a block bore. A pad-housing is formed in a plate shape to have curved surfaces with a curvature equal to the inner and outer curved surfaces of the housing mounting portion. The pad-housing is inserted into a housing mounting hole and is formed in a shape to correspond with the housing mounting hole. A pad is formed in a shape to correspond with a pad mounting hole which is bored through the pad-housing through. The pad has a curved surface and is inserted into the pad mounting hole to achieve water tightness. 1. A structure to be mounted in a water jacket for a cylinder block of an engine , the structure comprising:a body forming a housing mounting portion comprising a panel formed in an are shape so as to have inner and outer curved surfaces to be surrounded by a block bore, the housing mounting portion having a housing mounting hole;a pad-housing formed in a plate shape to have curved surfaces with a curvature equal to the inner and outer curved surfaces of the housing mounting portion, the pad-housing inserted into the housing mounting hole and formed in a shape to correspond with the housing mounting hole; anda pad formed in a shape to correspond with a pad mounting hole which is bored through the pad-housing through, the pad having a curved surface and inserted into the pad mounting hole to achieve water tightness.2. The structure of claim 1 , wherein the body is disposed in an up and down direction of the water jacket.3. The structure of claim 1 , wherein the body and the pad-housing are formed of a plastic material and the pad is formed of a hydrophilic expansion rubber material.4. The structure of claim 1 , wherein the structure includes a plurality of pad-housings and pads and wherein the body is formed in a ...

Liquid-cooled internal combustion engine with selector guide valve, and method for controlling the selector guide valve of an internal combustion engine of said type

A selector guide valve in cooling system of an internal combustion engine is provided. The selector guide valve includes a first control drum independently rotatable and including an inlet receiving engine coolant from a pump and a plurality of coolant openings extending through the first control drum and a second control drum independently rotatable, circumferentially surrounding the first control drum, and including a plurality of coolant openings extending through the second control drum.

ENGINE

An engine is disclosed of the V-configuration having an integrated engine and transmission. The engine has a crankshaft which directly couples to drive the water pump, oil pump and transmission clutch. The water pump has a drive shaft coupled to the crankshaft that extends across the crankcase from a first to a second side. The water pump includes a housing where at least a portion is defined in the face of the crankshaft. 120-. (canceled)21. A powertrain , comprising:a crankcase;a cylinder having a cylinder bore;a head positioned over the cylinder;a crankshaft journalled in the crankcase;a piston coupled to the crankshaft and positioned in the cylinder to reciprocate therein;a drive gear fixedly coupled to the crankshaft and rotatable therewith; andfirst, second and third driven gears is meshing engagement with the drive gear and driving other components of the powertrain.22. The powertrain of claim 21 , wherein the first driven gear is driving coupled to a water pump.23. The powertrain of claim 21 , wherein the second driven gear is driving coupled to an oil pump.24. The powertrain of claim 21 , wherein the powertrain comprises an engine and transmission claim 21 , and the third driven gear is driving coupled to a clutch for the transmission.25. The powertrain of claim 21 , wherein the powertrain comprises an engine and transmission claim 21 , and the transmission is positioned rearwardly of the engine claim 21 , and is driving coupled thereto.26. The powertrain of claim 25 , wherein the first driven gear is positioned generally above the drive gear and is driving coupled to a water pump.27. The engine of claim 26 , further comprising a water pump drive shaft having a drive end and an impeller end claim 26 , the drive end of the water pump shaft is positioned on a first side of the crankcase and the impeller end of the water pump shaft is positioned on a second side of the crankcase.28. The powertrain of claim 25 , wherein the second driven gear is positioned ...

Structure Mounted in Water Jacket for Cylinder Block

A structure is mounted in a water jacket for a cylinder block of an engine so as to surround a block bore. The structure includes a body forming a pad mounting portion being a panel formed in an arc shape to have inner and outer curved surfaces that are surrounded by the block bore. A mounting hole is extended through the inner and outer curved surfaces of the pad mounting portion. A pad is formed in a shape to correspond with the mounting hole. The pad has a curved surface and is inserted into the mounting hole in a water tight manner. 1. A structure to be mounted in a water jacket for a cylinder block of an engine so as to surround a block bore , the structure comprising:a body forming a pad mounting portion comprising a panel formed in an arc shape to have inner and outer curved surfaces that are surrounded by the block bore, a mounting hole being extending through the inner and outer curved surfaces of the pad mounting portion; anda pad formed in a shape to correspond with the mounting hole, the pad having a curved surface and being inserted into the mounting hole in a water tight manner.2. The structure of claim 1 , wherein the body is disposed in an up and down direction of the water jacket.3. The structure of claim 1 , wherein the body is formed of a plastic material.4. The structure of claim 1 , wherein the structure comprises a plurality of pads and the body is formed in a plate shape having a plurality of pad mounting portions claim 1 , each pad being mounted to a corresponding pad mounting portion.5. The structure of claim 1 , wherein the pad is formed of a hydrophilic expansion rubber material.6. The structure of claim 1 , wherein the pad mounting portion comprises:a mounted upper end closing an upper side of the mounting hole;a mounted lower end disposed to face to the mounted upper end and adapted to close a lower side of the mounting hole;a mounted one end connecting the mounted upper end with the mounted lower end and closing one side of the mounting ...

DIRT TRAP AS A FUNCTIONAL MODULE IN THE IMPELLER OF A COOLANT PUMP

A coolant pump () of an internal combustion engine, having a pump casing (), in which a pump shaft () is rotatably supported by a water pump bearing assembly () and an impeller () connected in a rotationally fixed manner to the pump shaft () is associated with an intake space (). During a rotation of the impeller () together with associated blades (), a coolant as a working medium is pumped from the intake space (), via a coolant outlet of the coolant pump (), into a cooling system of the internal combustion engine. A dirt trap is associated as a functional module () with the impeller () on a side facing away from the intake space (), wherein the working medium flows into the functional module () from the intake space via at least one opening () introduced into the impeller and emerges via a flow outlet (). 1. A coolant pump of an internal combustion engine , comprising a pump casing , a pump shaft rotatably supported in the pump casing by a water pump bearing assembly , and an impeller connected in a rotationally fixed manner to the pump shaft , the impeller is associated with an intake space , wherein a rotation of the impeller together with associated blades pumps a coolant as a working medium in a fluid or volume flow from the intake space , via a coolant outlet of the coolant pump , into a cooling system of the internal combustion engine , a dirt trap is associated as a functional module with the impeller on a side facing away from the intake space , the working medium flows into the functional module from the intake space via at least one opening introduced into the impeller and emerges via a flow outlet.2. The coolant pump as claimed in claim 1 , wherein the functional module comprises a dirt trap of basket- or screen construction.3. The coolant pump as claimed in claim 1 , wherein the flow inlet and the flow outlet are introduced into the functional module in a corresponding manner close to the pump shaft.4. The coolant pump as claimed in claim 1 , wherein ...

INTERNAL COMBUSTION ENGINE

An internal combustion engine is provided. Facing pistons eliminate a cylinder head, thereby reducing heat losses through a cylinder head. Facing pistons also halve the stroke that would be required for one piston to provide the same compression ratio, and the engine can thus be run at higher revolutions per minute and produce more power. An internal sleeve valve is provided for space and other considerations. A combustion chamber size-varying mechanism allows for adjustment of the minimum size of an internal volume to increase efficiency at partial-power operation. Variable intake valve operation is used to control engine power. 1. An internal combustion engine , comprising:a cylinder block portion having a cylindrical bore therein;a path-defining piece inserted within the cylindrical bore, the path-defining piece comprising an inner surface and a helical groove formed in the inner surface; anda sleeve valve disposed within the oil path-defining piece and slidably moveable relative to the oil path-defining piece, the sleeve valve comprising a first outer surface, an enclosed helical cooling passage being defined by the first outer surface of the sleeve valve and by the helical groove.2. The internal combustion engine of claim 1 , wherein the path-defining piece further comprises an inlet groove and an outlet groove in communication with opposing ends of the helical groove such that the inlet groove receives pumped cooling fluid for passage of the cooling fluid through the helical cooling passage over the first outer surface of the sleeve valve and the pumped cooling fluid exits the helical cooling passage through the outlet groove claim 1 , heat being convected from the sleeve valve to the cooling fluid.3. The internal combustion engine of claim 1 , wherein the path-defining piece further comprises an inlet groove and an outlet groove in communication with opposing ends of the helical groove claim 1 , the inlet groove and the outlet groove being formed in a second ...

HEAT RETENTION MEMBER FOR CYLINDER BORE WALL, INTERNAL COMBUSTION ENGINE, AND AUTOMOBILE

A cylinder bore wall insulating member has a contact surface that comes in contact with a wall surface of a cylinder bore wall that forms a cylinder block of an internal combustion engine and defines a groove-like coolant passage. An internal combustion engine in which the cylinder bore wall has a uniform temperature may be obtained using the insulating member. 1. A cylinder bore wall insulating member having an outer perimeter circumscribing an area within and having a contact surface that comes in contact with a wall surface of a cylinder bore wall that forms a cylinder block of an internal combustion engine and defines a groove-like coolant passage , and thereby covers the wall surface of the cylinder bore wall across the entirety of the area the cylinder wall insulating member ,the contact surface being formed of an elastomer,a reinforcing material being provided inside the insulating member or on a back surface of the insulating member opposite to the contact surface, andthe insulating member being pressed against and secured on the cylinder bore wall using a securing member that includes a wall contact section.2. The cylinder bore wall insulating member according to claim 1 , the insulating member being pressed against the cylinder bore wall due to a spring biasing force.3. An internal combustion engine comprising a cylinder bore wall insulating member that has a contact surface that comes in contact with a wall surface of a cylinder bore wall that forms a cylinder block of the internal combustion engine and defines a groove-like coolant passage claim 1 , the cylinder bore wall insulating member being disposed so that the contact surface comes in contact with the wall surface of the cylinder bore wall that defines the groove-like coolant passage claim 1 ,the contact surface being formed of an elastomer,a reinforcing material being provided inside the insulating member or on a back surface of the insulating member opposite to the contact surface, andthe ...

COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE

A cooling system includes: a first coolant passage; a second coolant passage; a pump; a radiator; a third coolant passage; a connection switching mechanism that switches between a forward flow connection state and a reverse flow connection state; a fourth coolant passage; a fifth coolant passage; and a shutoff valve configured to open/shut off the fifth coolant passage. The radiator is disposed at a location at which coolant flowing from a second end of the first coolant passage into a fourth end of the second coolant passage is not cooled in the reverse flow connection state, and coolant flowing out from the second end of the first coolant passage and the fourth end of the second coolant passage is cooled in the forward flow connection state. 1. A cooling system for an internal combustion engine , the cooling system being applied to the internal combustion engine including a cylinder head and a cylinder block , the cooling system being configured to cool the cylinder head and the cylinder block with the use of coolant , the cooling system comprising:a first coolant passage provided in the cylinder head;a second coolant passage provided in the cylinder block;a pump configured to circulate the coolant;a radiator configured to cool the coolant;a third coolant passage connecting a first end of the first coolant passage to a first pump port, the first pump port being one of a pump outlet port and a pump inlet port, the pump outlet port being a coolant outlet port of the pump, the pump inlet port being a coolant inlet port of the pump;a connection switching mechanism configured to switch a status of pump connection between a forward flow connection state and a reverse flow connection state, the status of pump connection being a status of connection of the pump to a third end of the second coolant passage, the forward flow connection state being a state where the third end of the second coolant passage is connected to the first pump port, the reverse flow connection state ...

Cylinder block for internal combustion engine

An engine and a method of forming an engine are provided. The engine has a block that defines a cooling jacket extending continuously about an outer perimeter of first and second siamesed cylinders. The block defines a series of head bolt bores intersecting a deck face such that each cylinder is surrounded by four bores. The jacket has a first floor and a second floor. The second floor is offset above the first floor and extends along an intake side of the block between midpoints of the first and second cylinders, respectively. The second floor is configured to decouple a relationship between the cooling jacket and the series of bores for each cylinder and reduce fourth order bore distortion for each cylinder.

PARALLEL-FLOW IMMERSION HEAT EXCHANGER

A heat exchanger includes a heat exchanger body arranged along an axis and having an external surface in contact with a surrounding first fluid. The body defines a first fluid passage centered on and extending along the axis. The body also defines a second fluid passage extending parallel with respect to the axis and spaced away from the axis by a second passage distance, and a third fluid passage extending parallel with respect to the axis and spaced away from the axis by a third passage distance. The first, second, and third passages are parallel to one another, while the third passage distance is greater than the second passage distance. Each of the first and third passages is configured to accept a flow of a second fluid and the second fluid passage is configured to hold a volume of air to thermally insulate the first passage from the third passage. 1. An internal combustion engine comprising:a cylinder block defining a cylinder and a coolant jacket;a fluid pump configured to supply a coolant to the coolant jacket;a sump mounted to the cylinder block and configured to hold engine oil; a first fluid passage centered on and extending along the axis;', 'at least one second fluid passage extending parallel with respect to the axis and spaced away from the axis by a second passage distance;', 'at least one third fluid passage extending parallel with respect to the axis and spaced away from the axis by a third passage distance;', 'wherein the first fluid passage, the at least one second fluid passage, and the at least one third fluid passage are parallel to one another, and the third passage distance is greater than the second passage distance; and', 'wherein each of the first and the at least one third fluid passages is configured to accept a flow of the coolant from the fluid pump and the at least one second fluid passage is configured to hold a volume of air to thereby thermally insulate the first fluid passage from the at least one third fluid passage., 'a heat ...

ENGINE COOLING STRUCTURE

An engine cooling structure includes a cylinder block including a block inner peripheral wall and a block outer peripheral wall that define a water jacket, and a spacer housed in the water jacket. The block outer peripheral wall includes a coolant inlet for introducing a coolant into the water jacket at one end in a cylinder row direction. The spacer includes a peripheral wall surrounding the block inner peripheral wall, and a dividing wall and a distribution wall provided on the peripheral wall. The dividing wall is provided along a circumferential direction of the peripheral wall and protrudes outward from the peripheral wall between a lower end and an upper end of the coolant inlet. The distribution wall includes an upper distribution wall extending upward from the dividing wall and a lower distribution wall extending downward from the dividing wall. 1. An engine cooling structure for cooling an engine body including a plurality of cylinders arranged in a row by using a coolant , the engine cooling structure comprising:a cylinder block including: a block inner peripheral wall defining the plurality of cylinders;and a block outer peripheral wall surrounding the block inner peripheral wall to define a water jacket through which the coolant circulates between the block outer peripheral wall and the block inner peripheral wall; anda spacer housed in the water jacket,wherein the block outer peripheral wall includes a coolant inlet configured to introduce the coolant from a water pump into the water jacket at one end in a cylinder row direction, a peripheral wall surrounding the block inner peripheral wall to divide the water jacket into an inner space near the plurality of cylinders and an outer space far from the plurality of cylinders;', 'a dividing wall provided along a circumferential direction of the peripheral wall to divide the peripheral wall into an upper peripheral wall and a lower peripheral wall below the upper peripheral wall; and', 'a distribution wall ...

METHOD FOR MANUFACTURING CYLINDER BLOCK AND CYLINDER BLOCK

A bridge member is installed in an opening of a water jacket, and a probe of a friction stir welding tool, which rotates about an axis parallel to a cylinder axis, is pressed against a central part of an upper surface of the bridge member. The probe is kept pressed against the central part of the upper surface for a predetermined time to cause side surfaces of the bridge member to expand and come into contact with both a cylinder wall and an outer wall. The probe is moved from the central part of the upper surface to the outer wall, or the cylinder wall, while the probe is kept pressed against the upper surface, thereby friction-stir welding the outer wall, or the cylinder wall, with the bridge member to each other, and after that, the probe is removed off the top deck. 1. A method of manufacturing a semi-closed deck cylinder block , the semi-closed deck cylinder block including a cylinder wall of a cylinder into which a piston is to be inserted , an outer wall that surrounds the cylinder wall with a water jacket interposed therebetween , and a bridge that connects the cylinder wall and the outer wall to each other and blocks a part of an opening of the water jacket at a top deck of the cylinder block , the method comprising the step of:pressing a probe of a friction stir welding tool against a central part of an upper surface of a bridge member installed in the opening of the water jacket at the top deck, the probe rotating about an axis parallel to a cylinder axis of the cylinder;keeping the probe pressed against the central part for a predetermined time to cause side surfaces of the bridge member to expand as a result of the probe being pressed against the upper surface thereof and to come into contact with both the cylinder wall and the outer wall;after the predetermined time, moving the probe to the cylinder wall or the outer wall while keeping the probe pressed against the upper surface to friction-stir weld the bridge member with the cylinder wall or the ...

ENGINE COOLER

An engine cooler capable of suppressing a piston slap sound is provided. The engine cooler includes a cylinder block including a cylinder barrel and a water jacket, and a spacer stored in the water jacket, the water jacket surrounds the cylinder barrel, and the spacer encloses the cylinder barrel. Given that a width direction of the cylinder block is a lateral direction, a pressed member is pressed between the cylinder barrel and the spacer on lateral sides of the cylinder barrel, and a lower end of the pressed member is disposed above a lower end of each of right and left skirts of a piston located at a top dead center. 1. An engine cooler comprising:a cylinder block having a cylinder barrel and a water jacket, and a spacer stored in the water jacket,the water jacket surrounding the cylinder barrel, and the spacer enclosing the cylinder barrel, whereinthe engine cooler further comprising a pressed member,given that a width direction of the cylinder block is a lateral direction, the pressed member is pressed between the cylinder barrel and the spacer on lateral sides on the cylinder barrel, anda lower end of the pressed member is disposed above a lower end of each of right and left skirts of a piston located at a top dead center.2. The engine cooler according to claim 1 , whereinthe lower end of the pressed member is disposed above a piston maximum-diameter section of each of the right and left skirts of the piston located at the top dead center.3. The engine cooler according to claim 1 , whereina front end of the pressed member is disposed in front of a front end of each of the right and left skirts of the piston fitted in the cylinder barrel pressing the pressed member, and a rear end of the pressed member is disposed in the rear of a rear end of the skirt.4. The engine cooler according to claim 1 , whereinan upper end of the pressed member is disposed below a lower end of a pressure ring of the piston located at the top dead center.5. The engine cooler according ...

Internal combustion engine

An internal combustion engine is equipped with a cylinder block having a plurality of cylinders and an in-block water jacket, a cylinder head having an in-head water jacket, and a head gasket. The in-block water jacket includes a plurality of cylinder outer peripheral portions. The head gasket includes a plurality of coolant opening portions. The internal combustion engine is configured such that coolant sequentially flows through the cylinder outer peripheral portions along a cylinder bank direction in the in-block water jacket. The head gasket includes one or a plurality of dam portions provided, in such a manner as to block the flow of coolant, at a position downstream of the coolant opening portion corresponding to the cylinder outer peripheral portion located at least most downstream in an in-block coolant flow direction.

Liner for Engine Cylinder with Lower Liner Support

A cylinder liner for a cylinder bore of an internal combustion engine is provided. The cylinder liner including a hollow cylindrical body and a coolant cavity defined between a sidewall of the cylinder bore and an outer surface of the cylinder liner. A plurality of lower seal grooves are provided in the outer surface of the cylinder liner. A lower liner support is arranged between an uppermost one of the lower seal grooves and the coolant cavity. The lower liner support has an asymmetric configuration in a circumferential direction such that a clearance between the sidewall of the cylinder bore and the outer surface of the cylindrical body is relatively less in an area surrounding a thrust/anti-thrust plane and is relatively more in an area surrounding a perpendicular plane. 1. A cylinder liner for a cylinder bore of an internal combustion engine in which a piston reciprocates , the piston having an angularly attached connecting rod that defines a thrust/antithrust plane in which the piston exerts a side thrust on the cylinder liner and a perpendicular plane that extends perpendicularly relative to the thrust/anti-thrust plane , the cylinder liner comprising:a hollow cylindrical body having a lower end and an upper end;a coolant cavity defined between a sidewall of the cylinder bore and an outer surface of the cylinder liner;a plurality of lower seal grooves in the outer surface of the cylinder liner each of which includes a respective lower seal member, the lower seal grooves being arranged between the coolant cavity and the lower end of the cylindrical body; anda lower liner support arranged between an uppermost one of the lower seal grooves and the coolant cavity, the lower liner support having an asymmetric configuration in a circumferential direction of the cylinder liner and cylinder bore such that a clearance between the sidewall of the cylinder bore and the outer surface of the cylindrical body is relatively less in a first area surrounding the thrust/anti- ...

Water-expandable rubber composition and water-expandable rubber pad comprising same

Disclosed are a water-expandable rubber composition and a water-expandable rubber pad including the same. The water-expandable rubber pad manufactured using the water-expandable rubber composition is rigid enough to be directly inserted into a cylinder jacket even without a metal plate, etc. Moreover, the water-expandable rubber pad may increase in volume upon contact with engine coolant, thereby being optimized for an assembly process and facilitating design. Thus, since no separate assembly parts are used compared to conventional cases, the number of parts can be reduced, and costs can be reduced, and adhesiveness of the rubber pad is superior to that of conventional foam rubber and thus heat retention performance is excellent, resulting in improved engine fuel efficiency.

COOLING WATER PASSAGE STRUCTURE OF INTERNAL COMBUSTION ENGINE

A cooling water passage structure of internal combustion engine includes a cylinder-block-side cooling water passage, a cylinder-head-side cooling water passage, a heat exchanger, and cooling water passage pipes. The cylinder-block-side cooling water passage is formed inside a cylinder block of an engine to cause cooling water to flow through. The cylinder-head-side cooling water passage is formed inside a cylinder head to cause cooling water to flow through. The heat exchanger is configured to dissipate heat of cooling water to external air to decrease a temperature of the cooling water. The cooling water passage pipes couple the heat exchanger and the engine to exchange cooling water. The cylinder head includes a cooling water inlet. The cooling water passage pipe is coupled to the cooling water inlet. The cooling water from the heat exchanger flows into the cooling water inlet. 1. A cooling water passage structure of internal combustion engine , comprising:a cylinder-block-side cooling water passage formed inside a cylinder block of an engine to cause cooling water to flow through;a cylinder-head-side cooling water passage formed inside a cylinder head to cause cooling water to flow through;a heat exchanger configured to dissipate heat of cooling water to external air to decrease a temperature of the cooling water; anda cooling water passage pipe that couples the heat exchanger and the engine to exchange cooling water, whereinthe cylinder head includes a cooling water inlet, the cooling water passage pipe being coupled to the cooling water inlet, the cooling water from the heat exchanger flowing into the cooling water inlet.2. The cooling water passage structure of internal combustion engine according to claim 1 , whereinthe cylinder-head-side cooling water passage branches at an upstream at an intermediate portion, the one branched cylinder-head-side cooling water passage communicating with the cylinder-block-side cooling water passage to cause cooling water to ...

ENGINE HAVING WATER JACKET

An engine having a water jacket may include a cylinder block in which cylinder liners forming a combustion chamber may be disposed from a first end to a second end of the cylinder block, and a block water jacket may be formed around the cylinder liners, a cylinder head having a head water jacket coupled to a top of the cylinder block, receiving cooling water from an exhaust side of the block water jacket and discharging cooling water to an intake side of the block water jacket, and inserts that may be inserted into the block water jacket and that may have horizontal dividing blades dividing the block water jacket into upper and lower parts, legs extending downward from the horizontal dividing blades, and flow preventing protrusions protruding upward from the horizontal dividing blades to divide the upper part of the block water jacket.

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

An exhaust purification system of an internal combustion engine comprises a filter arranged in an exhaust passage of an internal combustion engine in which a plurality of cylinders cooled by cooling water are provided and trapping particulate matter in exhaust gas, a wall temperature calculation part configured to calculate or detect wall temperatures of a predetermined number of equal to or more than two cylinders among the plurality of cylinders, and a PM amount calculation part configured to calculate an amount of particulate matter discharged from the plurality of cylinders to the exhaust passage based on the wall temperatures calculated or detected by the wall temperature calculation part. 1. An exhaust purification system of an internal combustion engine comprising:a filter arranged in an exhaust passage of an internal combustion engine in which a plurality of cylinders cooled by cooling water are provided and trapping particulate matter in exhaust gas;a wall temperature calculation part configured to calculate or detect wall temperatures of a predetermined number of equal to or more than two cylinders among the plurality of cylinders; anda PM amount calculation part configured to calculate an amount of particulate matter discharged from the plurality of cylinders to the exhaust passage based on the wall temperatures calculated or detected by the wall temperature calculation part.2. The exhaust purification system of an internal combustion engine according to claim 1 , wherein the wall temperature calculation part is configured to calculate or detect the wall temperatures of the plurality of cylinders.3. The exhaust purification system of an internal combustion engine according to claim 1 , wherein the wall temperature calculation part is configured to calculate the wall temperatures of the predetermined number of cylinders so that processing load becomes higher if judging that an absolute value of an amount of change of the wall temperature per unit time of ...

CYLINDER BLOCK OF INTERNAL COMBUSTION ENGINE

A cylinder block of an internal combustion engine, the cylinder block includes a partition wall arranged between a plurality of cylinder bores, the cylinder bores are adjacent to one another; and a coolant passage that is arranged in the partition wall. The coolant passage includes (i) a large diameter hole not intersecting a virtual plane, the virtual plane includes central axes of the plurality of cylinder bores and (ii) a plurality of small diameter holes each having a diameter that is smaller than a diameter of the large diameter hole, the plurality of small diameter holes communicate with the large diameter hole, and the plurality of small diameter holes extend in a different direction than a direction that the large diameter hole extends, the plurality of small diameter holes intersect the virtual plane. 1. A cylinder block of an internal combustion engine , the cylinder block comprisinga partition wall arranged between a plurality of cylinder bores, the cylinder bores being adjacent to one another, and a large diameter hole not intersecting a virtual plane, the virtual plane including central axes of the plurality of cylinder bores;', 'a plurality of small diameter holes each having a diameter that is smaller than a diameter of the large diameter hole, the plurality of small diameter holes communicating with the large diameter hole, and the plurality of small diameter holes extending in a different direction than a direction that the large diameter hole extends, the plurality of small diameter holes intersecting the virtual plane, and', 'each of the large diameter hole and the plurality of small diameter holes extends downward at an angle toward the virtual plane., 'a coolant passage that is arranged in the partition wall, the coolant passage including2. The cylinder block of the internal combustion engine according to claim 1 , whereinat least one of the large diameter hole or the plurality of small diameter holes is open to a water jacket arranged along an ...

POWER UNIT

In a vehicle power unit having an internal combustion engine, a pair of power transmission gears for transmitting rotation of a crank shaft to a balancer shaft is arranged between a crankcase and a crankcase cover, and a fluid pump is provided on a power transmission gear shaft supporting a power transmission gear, by which the backlash between the crank shaft and the balancer shaft is reduced and the friction and the noise of the gears are restrained while achieving downsizing of the gears of the crank shaft and the balancer, weight reduction and downsizing of the power unit. 1. A power unit for a vehicle comprising:a crankcase, a cylinder body having a cylinder therein, and a cylinder head successively stacked up and mounted on the vehicle;a crank shaft provided in the crankcase to be oriented in a vehicle width direction;a balancer shaft provided in the crankcase to be oriented in the vehicle width direction; anda crankcase cover -arranged on one side of the crankcase;the crank shaft and the balancer shaft being arranged one in front of the other in the crankcase;wherein a pair of power transmission gears for transmitting rotation of the crank shaft to the balancer shaft is arranged between the crankcase and the crankcase cover, the power transmission gears being supported on power transmission gear shafts, respectively; anda fluid pump is provided on one of the power transmission gear shafts to be driven thereby.2. The power unit according to claim 1 ,wherein the balancer shaft has thereon a balancer gear in mesh with one of the power transmission gears, and the one power transmission gear and the balancer gear are arranged to overlap with each other in a vertical direction; andthe other of the power transmission gears is arranged above a line connecting a rotational center of the crank shaft and a rotational center of the one power transmission gear as viewed in a direction of a crank shaft axis line.3. The power unit according to claim 2 ,wherein the one power ...

METHOD OF MANUFACTURING INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE, AND CONNECTED CYLINDER

Provided are a method of manufacturing an engine, an engine, and a connected cylinder. The method of manufacturing an engine includes at least a fitting step of fitting a connected cylinder to a hollow portion of a cylinder block main body. The connected cylinder is (1) a first connected cylinder including two or more cylinder liners and a connecting portion configured to connect the two or more cylinder liners to each other or (2) a second connected cylinder including a connected cylinder main body portion having two or more cylinder bores and a coating configured to cover an inner peripheral surface of the connected cylinder main body portion in which the cylinder bores are formed. The cylinder block main body has one end side, another end side, and the hollow portion passing through the cylinder block main body from the one end side to the another end side. 125-. (canceled)26. A method of manufacturing an internal combustion engine , comprising at least a fitting step of fitting a connected cylinder to a hollow portion of a cylinder block main body , (1) a first connected cylinder including two or more cylinder liners and a connecting portion configured to connect the two or more cylinder liners to each other; and', '(2) a second connected cylinder including a connected cylinder main body portion having two or more cylinder bores and a coating configured to cover an inner peripheral surface of the connected cylinder main body portion in which the cylinder bores are formed,, 'the connected cylinder comprising any one of connected cylinders selected from the group consisting ofthe cylinder block main body having one end side where a crankcase is formed and another end side where a cylinder head is attachable,the hollow portion passing through the cylinder block main body from the one end side to the another end side.27. The method of manufacturing an internal combustion engine according to claim 26 , (a) a method of arranging the two or more cylinder liners in the ...

Dual zone cooling system for combined engine compressors

Typically, an engine-compressor for compressing natural gas for use as a fuel has a single cooling circuit to cool both its combustion unit and compression unit. A single cooling circuit design is not ideal because the optimal temperature for the combustion unit is higher than the compression unit of the engine-compressor. The present invention provides a dual zone cooling system to cool the combustion unit separately from the compression unit.

COOLING STRUCTURE OF ENGINE

A cooling structure of an engine is provided, which includes a water jacket formed in a cylinder block to surround a cylinder bore of the engine, a spacer having a vertical wall surface and inserted into the water jacket, and a coolant inlet formed in an outer wall of the water jacket, and for circulating to the water jacket coolant introduced from the coolant inlet. The vertical wall surface surrounds the cylinder bore. The spacer includes a guide part provided at a position of a lower end part of the vertical wall surface corresponding to the coolant inlet, and for guiding the coolant introduced from the coolant inlet to flow around the vertical wall surface. The guide part extends outwardly from the lower end part of the vertical wall surface toward the coolant inlet along a bottom wall of the water jacket. 1. A cooling structure of an engine , comprising:a water jacket formed in a cylinder block to surround a cylinder bore of the engine;a spacer having a vertical wall surface and inserted into the water jacket, anda coolant inlet formed in an outer wall of the water jacket, and for circulating to the water jacket coolant introduced from the coolant inlet, whereinthe vertical wall surface surrounds the cylinder bore,the spacer includes a guide part provided at a position of a lower end part of the vertical wall surface corresponding to the coolant inlet, and for guiding the coolant introduced from the coolant inlet to flow around the vertical wall surface, andthe guide part extends outwardly from the lower end part of the vertical wall surface toward the coolant inlet along a bottom wall of the water jacket of the cylinder block.2. The cooling structure of claim 1 , wherein a water pump is attached to the coolant inlet of the cylinder block claim 1 , andwherein the coolant inlet and the water pump are provided at the same height as the bottom wall of the water jacket of the cylinder block.3. The cooling structure of claim 1 , wherein a concaved section is formed ...

COOLING STRUCTURE OF MULTI-CYLINDER ENGINE

A cooling structure of a multi-cylinder engine is provided, which includes a water jacket formed in a cylinder block to surround cylinder bores of cylinders arranged inline, a spacer, and a coolant inlet. The spacer includes openings at positions corresponding to inter-cylinder-bore portions and a rectifying part extending outwardly on a lower side of the openings. The rectifying part inclines continuously upwardly while extending in one of an exhaust- and intake-side section of the jacket from a first end side to a second end side that is the opposite side from the first end side in a cylinder line-up direction, extending on the second end side from the one of the exhaust- and intake-side sections to the other one of the exhaust- and intake-side sections, and then extending from the second end side to the first end side in the other one of the exhaust- and intake-side sections. 1. A cooling structure of a multi-cylinder engine , comprising:a water jacket formed in a cylinder block to surround cylinder bores of a plurality of cylinders arranged inline,a spacer having a vertical wall surface and inserted into the water jacket, anda coolant inlet formed in a part of an outer wall of the water jacket on a first end side in a cylinder line-up direction, and for circulating to the water jacket a coolant introduced from the coolant inlet, whereinthe vertical wall surface surrounds the cylinder bores, a plurality of openings formed in an upper part of the vertical wall surface, at positions corresponding to inter-cylinder-bore portions of the cylinder block, respectively; and', 'a rectifying part extending outwardly from the vertical wall surface on a lower side of the openings to approach the outer wall of the water jacket, and for rectifying a flow of the coolant introduced from the coolant inlet, and, 'the spacer includesthe rectifying part inclines, when the spacer is disposed in the water jacket, continuously upwardly while extending in one of an exhaust-side section ...

COOLING STRUCTURE OF MULTI-CYLINDER ENGINE

A cooling structure of a multi-cylinder engine is provided, which includes a first water jacket formed in a cylinder block to surround cylinder bores of cylinders arranged inline, a spacer having a vertical wall surface and inserted into the first jacket, and a coolant inlet formed in the first jacket on a first end side in a cylinder line-up direction. The structure circulates coolant introduced from the inlet to the first jacket and a second water jacket formed in a cylinder head coupled to the cylinder block via a gasket. The spacer has a flow dividing rib extending outwardly from the vertical wall surface and for vertically dividing the coolant flow, introduced from the inlet to an intake- or exhaust-side section of the first jacket, toward the second jacket through a communication hole formed in the gasket and toward a discharging section provided to the cylinder block. 1. A cooling structure of a multi-cylinder engine , comprising:a first water jacket formed in a cylinder block to surround cylinder bores of a plurality of cylinders arranged inline,a spacer having a vertical wall surface and inserted into the first water jacket, anda coolant inlet formed in an outer wall of one of an intake-side section and an exhaust-side section of the first water jacket at a position on a first end side in a cylinder line-up direction, the cooling structure circulating coolant introduced from the coolant inlet to the first water jacket and a second water jacket formed in a cylinder head coupled to the cylinder block via a gasket, whereinthe vertical wall surface surrounds the cylinder bores,the coolant inlet causes coolant flows to the intake-side section and the exhaust-side section therefrom, respectively,the cylinder block is formed with a discharging section for discharging the coolant from the first water jacket, in a lower part of the outer wall of the one of the intake-side section and the exhaust-side section of the first water jacket,the gasket is formed with a ...

COOLING APPARATUS OF INTERNAL COMBUSTION ENGINE

A cooling apparatus of an internal combustion engine according to the invention comprises a first passage formed in the cylinder block, through which the cooling medium flows for cooling between-bores portions, a second passage formed in the cylinder block, through which the cooling medium flows for cooling a bore-surrounding portion, and a cooling medium supplying mechanism for supplying the cooling medium to the first and second passages such that ability of the cooling medium for cooling the between-bore portions, is different from the ability of the cooling medium for cooling the bore-surrounding portion. 1. A cooling apparatus of an internal combustion engine for cooling a cylinder block of the internal combustion engine and a cylinder head mounted on the cylinder block by cooling medium , comprising:a first passage formed in the cylinder block, through which the cooling medium flows for cooling between-bores portions each corresponding to a portion of the cylinder block surrounding and between adjacent cylinder bores formed in the cylinder block;a second passage formed in the cylinder block, through which the cooling medium flows for cooling a bore-surrounding portion corresponding to a portion of the cylinder block surrounding the cylinder bores other than the between-bores portions; anda cooling medium supplying mechanism for supplying the cooling medium to the first and second passages such that ability of the cooling medium for cooling the between-bore portions, is different from the ability of the cooling medium for cooling the bore-surrounding portion.2. The cooling apparatus according to claim 1 , wherein the cooling medium supplying mechanism includes a head passage formed in the cylinder head claim 1 , through which the cooling medium flows for cooling the cylinder head claim 1 , and the first passage is connected to the head passage.3. The cooling apparatus according to claim 1 , wherein the cooling medium supplying mechanism includes:a common ...

AGGRESSIVE THERMAL HEATING TARGET STRATEGY BASED ON NOX ESTIMATED FEEDBACK

A method for controlling an engine thermal target setpoint, includes: identifying in a first step an initial NOx integral at an initial calculated cylinder wall temperature and a thermal set point of an engine coolant; initiating a command in a second step to change the initial cylinder wall temperature and to change the thermal set point of the engine coolant; creating in a third step a new NOx integral at a new cylinder wall temperature and a modified thermal set point of the engine coolant; and comparing in a fourth step: is (the new NOx integral minus the initial NOx integral) greater than a predefined minimum threshold; and is (the new NOx integral minus the initial NOx integral) less than a predefined maximum threshold.

SPLIT COOLING APPARATUS FOR INTERNAL COMBUSTION ENGINE

The present disclosure provides a split cooling apparatus for an internal combustion engine, the apparatus including: a base inserted into a water jacket of a cylinder block, the base surrounding an outside of a cylinder along a shape of the cylinder; an insertion groove formed on the base by being depressed into an inner surface of the base; and a sealing member inserted into the insertion groove, wherein when a temperature of cooling water supplied into the water jacket reaches a preset temperature or higher, the sealing member expands so as to close a flow passage between the base and the cylinder, thereby increasing flow resistance of the cooling water and thus reducing a heat transfer rate of the cylinder. 1. A split cooling apparatus for an internal combustion engine , the apparatus comprising:a base inserted into a water jacket of a cylinder block, the base surrounding an outside of a cylinder along a shape of the cylinder;an insertion groove formed on the base and depressed into an inner surface of the base; anda sealing member inserted into the insertion groove, wherein, when a temperature of a cooling water supplied into the water jacket reaches a preset temperature or higher, the sealing member expands so as to close a flow passage between the base and the cylinder, thereby increasing flow resistance of the cooling water and reducing a heat transfer rate of the cylinder.2. The apparatus of claim 1 , wherein the base is formed up to two thirds of a height of the cylinder block from a lower end of the cylinder block.3. The apparatus of claim 1 , wherein the insertion groove is formed to have a closed curve extending along a longitudinal direction of the base.4. The apparatus of claim 1 , wherein the insertion groove is formed on an upper part of the base.5. The apparatus of claim 1 , wherein the insertion groove includes a plurality of insertion grooves claim 1 , the plurality of insertion grooves being arranged on the inner surface of the base by being ...

SYSTEMS AND METHODS FOR REDUCING ENGINE OVERHEATING USING LIQUID FUEL

Systems and methods are provided for cooling an overheated engine using a combination of variable displacement engine (VDE) technology and direct injection technology. In one example, a method may include deactivating a subset of engine cylinders based on an engine temperature and directly injecting liquid fuel into the deactivated cylinders. In this way, an increased thermal conductivity of the liquid fuel compared to air decreases the engine temperature at a faster rate than when air-based engine cooling methods are used, thereby preventing overheating-related engine degradation. 1. A method , comprising:deactivating a subset of cylinders of an engine based on a temperature of the engine; anddirectly injecting fuel into each of the subset of cylinders during the deactivation.2. The method of claim 1 , wherein the deactivating the subset of cylinders based on the temperature of the engine comprises:operating with the engine temperature greater than a threshold temperature, and in response to the temperature of the engine being greater than the threshold temperature, deactivating the subset of cylinders; andoperating with the temperature of the engine less than or equal to the threshold temperature, and in response to the temperature of the engine being less than or equal to the threshold temperature, not deactivating the subset of cylinders.3. The method of claim 2 , further comprising an intake valve claim 2 , an exhaust valve claim 2 , and a spark plug coupled to each cylinder claim 2 , and wherein the deactivating includes fully closing the intake valve and the exhaust valve of each of the subset of cylinders and disabling sparking of the spark plug of each of the subset of cylinders so that an injected fuel is not combusted.4. The method of claim 3 , further comprising: activating the intake valve and the exhaust valve coupled to each of the subset of engine cylinders; and', 'exhausting the injected fuel., 'after a threshold time duration of the deactivation is ...

COOLANT PUMP AND COOLING SYSTEM FOR VEHICLE

A coolant pump for a vehicle includes an impeller mounted at one side of a shaft and configured to pump a coolant, a pulley mounted at the other side of the shaft and configured to receive torque, a pump housing including an inlet into which the coolant inflows and an outlet of which the coolant flows out, a slider disposed to be movable in a longitudinal direction of the shaft so as to selectively block or open the outlet and a driver configured to move the slider, where a passage which supplies the coolant to at least one heat exchange element is formed on the pump housing. 1. A coolant pump for a vehicle , comprising:an impeller mounted at one side of a shaft and configured to pump a coolant;a pulley mounted at another side of the shaft and configured to receive torque;a pump housing including an inlet into which the coolant inflows and an outlet of which the coolant flows out;a slider disposed to be movable in a longitudinal direction of the shaft so as to selectively block or open the outlet; anda driver configured to move the slider,wherein a passage which continuously supplies the coolant to at least one heat exchange element is formed on the pump housing.2. The coolant pump of claim 1 , wherein the slider comprises:a vertical portion formed perpendicular to the shaft; anda block portion formed perpendicular to the vertical portion and selectively blocking the outlet;wherein a fail-safe hole which communicates with the outlet when the slider is completely closed is formed in the block portion.3. The coolant pump of claim 2 , wherein the driver comprises:a coolant delivery portion configured to deliver the coolant transmitted through the inlet;a control unit configured to exhaust the coolant transmitted from the coolant delivery portion to an outside or again transmitting the coolant to the coolant pump;a control chamber formed by the slider and the coolant pump housing and configured to move the slider according to the transmission of the coolant from the ...

Control device for internal combustion engine

An EGR device is operated and EGR is executed, when a temperature of a first cooling water that cools a cylinder block and a cylinder head is higher than an EGR allowable temperature, and a working point of the internal combustion engine that is fixed by a load and an engine speed is in an EGR execution region. The EGR execution region is variable with respect to a temperature of the second cooling water (the temperature of the second cooling water is lower than the first cooling water) that cools the intake port, and the EGR execution region is narrowed to a high load side in a case where the temperature of the second cooling water is lower than a threshold value temperature, as compared with a case where the temperature of the second cooling water is higher than the threshold value temperature.

VEHICLE THERMAL CONTROL SYSTEM INCLUDING ACTIVE EXHAUST TREATMENT MANAGEMENT

An automotive vehicle includes an internal combustion engine that outputs exhaust gas from a cylinder, and an active thermal management system. The active thermal management system flows coolant around the cylinder thereby varying an exhaust temperature of the exhaust gas. An electronic engine controller controls the internal combustion engine and the active thermal management system. The engine controller generates a control signal to selectively operate the active thermal management system in a normal mode, a thermal increase mode, and a thermal decrease mode. The normal mode flows the coolant at a first coolant temperature. The thermal increase mode flows the coolant at a second coolant temperature greater than the first coolant temperature thereby increasing the exhaust temperature of the exhaust gas. The thermal decrease mode flows the coolant at a third coolant temperature less than the first coolant temperature thereby decreasing the exhaust temperature of the exhaust gas. 1. An automotive vehicle , comprising:an internal combustion engine that outputs exhaust gas from at least one cylinder;an active thermal management system in fluid communication with the internal combustion engine, to flow coolant around the at least one cylinder thereby varying an exhaust temperature of the exhaust gas; andan electronic engine controller in signal communication with the internal combustion engine and the active thermal management system, the engine controller generating a control signal to selectively operate the active thermal management system in a normal mode that flows the coolant at a first coolant temperature, and a thermal increase mode that flows the coolant at a second coolant temperature greater than the first coolant temperature thereby increasing the exhaust temperature of the exhaust gas.2. The automotive vehicle of claim 1 , wherein the active thermal management system further comprises an exhaust treatment system comprising at least one of a selective ...

INTERNAL COMBUSTION ENGINE

An internal combustion engine includes: a low-temperature cooling water circulation system including a low-temperature cooling water channel; a high-temperature cooling water circulation system including a high-temperature cooling water channel; an intake port including a first branch port part and a second branch port part that are connected to a common combustion chamber; and a swirl control device configured to restrict the inflow of intake air from the first branch port part to the combustion chamber to increase the strength of a swirl flow generated inside a cylinder. The low-temperature cooling water channel includes a water jacket that covers the periphery of the first branch port part. 1. An internal combustion engine , comprising:a low-temperature cooling water circulation system that is one of two cooling water circulation systems in which temperatures of cooling water are different, and that includes a low-temperature cooling water channel formed in an internal combustion engine, and that is configured to causes cooling water of a low temperature to circulate in the low-temperature cooling water channel;a high-temperature cooling water circulation system that is one of the two cooling water circulation systems, and that includes a high-temperature cooling water channel formed in the internal combustion engine, and that configured to cause cooling water of a high temperature to circulate in the high-temperature cooling water channel;an intake port including a first branch port part and a second branch port part that are connected to a common combustion chamber; anda swirl control device configured to restrict an inflow of intake air from the first branch port part to the combustion chamber to increase a strength a swirl flow generated inside a cylinder,wherein the low-temperature cooling water channel includes a water jacket that is arranged so as to cover a part of a periphery of the intake port when the intake port is viewed at a cross section that is ...

INTERNAL COMBUSTION ENGINE

An internal combustion engine includes: a low-temperature cooling water circulation system including a low-temperature cooling water channel; a high-temperature cooling water circulation system including a high-temperature cooling water channel; an intake port including a first branch port part and a second branch port part that are connected to a common combustion chamber; and a swirl control device configured to restrict the inflow of intake air from the first branch port part to the combustion chamber to increase the strength of a swirl flow generated inside a cylinder. The low-temperature cooling water channel includes a water jacket that covers the periphery of the second branch port part. 1. An internal combustion engine , comprising:a low-temperature cooling water circulation system that is one of two cooling water circulation systems in which temperatures of cooling water are different, and that includes a low-temperature cooling water channel formed in an internal combustion engine, and that is configured to causes cooling water of a low temperature to circulate in the low-temperature cooling water channel;a high-temperature cooling water circulation system that is one of the two cooling water circulation systems, and that includes a high-temperature cooling water channel formed in the internal combustion engine, and that configured to cause cooling water of a high temperature to circulate in the high-temperature cooling water channel;an intake port including a first branch port part and a second branch port part that are connected to a common combustion chamber; anda swirl control device configured to restrict an inflow of intake air from the first branch port part to the combustion chamber to increase a strength a swirl flow generated inside a cylinder,wherein the low-temperature cooling water channel includes a water jacket that is arranged so as to cover a part of a periphery of the intake port when the intake port is viewed at a cross section that is ...

ENGINE

An engine is disclosed of the V-configuration having an integrated engine and transmission. The engine has a crankshaft which directly couples to drive the water pump, oil pump and transmission clutch. The water pump has a drive shaft coupled to the crankshaft that extends across the crankcase from a first to a second side. The water pump includes a housing where at least a portion is defined in the face of the crankshaft. 1. An engine , comprising:a crankcase profiled in a V-configuration;two cylinders, each having a cylinder bore;a head positioned over each of the cylinders;a crankshaft journalled in the crankcase;two pistons coupled to the crankshaft and positioned in respective cylinders to reciprocate therein; anda water pump coupled to the crankshaft, the water pump comprising a water pump housing, wherein at least a portion of the water pump housing is defined in the outer face of the crankcase.2. The engine of claim 1 , wherein the water pump housing comprises an opening at an outer surface of the crankcase claim 1 , and the water pump comprises an impeller positioned in the opening.3. The engine of claim 2 , wherein the water pump includes first and second convolutes extending from the water pump opening.4. The engine of claim 3 , wherein the convolutes are defined in the outer face of the crankcase.5. The engine of claim 4 , wherein an acute angle is defined by a first line drawn between a rotational axis of the crankshaft and a centerline of a first cylinder bore claim 4 , and a second line drawn between the rotational axis of the crankshaft and a centerline of a second cylinder bore claim 4 , and the water pump opening is within the acute angle.6. The engine of claim 5 , further comprising a water pump drive shaft having a drive end and an impeller end claim 5 , the drive end of the water pump shaft is positioned on a first side of the crankcase and the impeller end of the water pump shaft is positioned on a second side of the crankcase.7. The engine of ...

Internal combustion engine provided with cooling water passage

An internal combustion engine includes: an engine body; an exhaust pipe fastened to the engine body; an engine body cooling water passage provided in the engine body and having a cooling water injection port and a cooling water discharge port; an exhaust pipe cooling water passage provided in the exhaust pipe; a supply passage that connects the engine body cooling water passage with the exhaust pipe cooling water passage such that cooling water flows from the engine body cooling water passage to the exhaust pipe cooling water passage through the supply passage; and a return passage that connects the engine body cooling water passage with the exhaust pipe cooling water passage such that the cooling water flows from the exhaust pipe cooling water passage to the engine body cooling water passage through the return passage.