СПОСОБ (ВАРИАНТЫ) И СИСТЕМА УПРАВЛЕНИЯ СИСТЕМОЙ ОХЛАЖДЕНИЯ ДВИГАТЕЛЯ

Изобретение относится к системе охлаждения двигателя. Предложены способы и системы для улучшения оценки уровня хладагента двигателя с целью снижения перегрева двигателя. Уровень жидкости в расширительном бачке определяют на основе уровня жидкости в полой вертикальной трубке, соединенной с возможностью гидравлического сообщения с бачком в верхнем и нижнем местоположениях, причем уровень жидкости в трубке может быть определен на основе значений времени эхо-сигнала ультразвукового сигнала, испускаемого датчиком, расположенным в отсеке в нижней части вертикальной трубки. Мощность двигателя ограничивается по-разному на основе конкретно определенных состояний уровня хладагента, определенных на основе изменения уровня хладагента в бачке за некоторый период времени. Изобретение обеспечивает повышение точности и надежности определения уровня хладагента в расширительном бачке хладагента. 3 н. и 17 з.п. ф-лы, 21 ил.

СПОСОБ (ВАРИАНТЫ) И СИСТЕМА УПРАВЛЕНИЯ СИСТЕМОЙ ОХЛАЖДЕНИЯ ДВИГАТЕЛЯ

Изобретение относится к системе охлаждения двигателя. Предложены способы и системы для улучшения оценки уровня охлаждающей жидкости двигателя с целью снижения перегрева двигателя. Уровень жидкости в расширительном бачке может быть оценен на основании уровня жидкости в полой вертикальной трубке, соединенной с возможностью гидравлического сообщения с бачком в верхней и нижней частях, причем уровень жидкости в трубке может быть оценен на основании выходного ультразвукового сигнала, испускаемого датчиком, расположенным в отсеке в нижней части вертикальной трубки. Использование мощности датчика оптимизировано на основании соотношения значения времени эхо-сигнала первого порядка и времени эхо-сигнала более высокого порядка в наборе необработанных данных, генерируемом датчиком. Изобретение обеспечивает повышение точности и надежности определения уровня хладагента в расширительном бачке хладагента. 3 н. и 17 з.п. ф-лы, 21 ил.

ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ С ЖИДКОСТНЫМ ОХЛАЖДЕНИЕМ

... 1. Двигатель внутреннего сгорания с жидкостным охлаждением, содержащий по меньшей мере одну головку (2) блока цилиндров и один блок (3) цилиндров, в которомпо меньшей мере одна головка (2) блока цилиндров снабжена по меньшей мере одной встроенной охлаждающей рубашкой, причем указанная первая охлаждающая рубашка содержит на впускной стороне первое подводящее отверстие (4а) для подачи хладагента и на выпускной стороне первое выпускное отверстие (5а) для выпуска хладагента, и блок (3) цилиндров снабжен по меньшей мере одной встроенной охлаждающей рубашкой, при этом указанная связанная с блоком охлаждающая рубашка содержит на впускной стороне второе подводящее отверстие для подачи хладагента и на выпускной стороне, второе выпускное отверстие, предусмотренное для выпуска хладагента, причем для образования охлаждающего контура выпускные отверстия (5а) выполнены по меньшей мере с возможностью присоединения к подводящим отверстиям (4а) через модульный узел (1), при этом модульный узел (1) расположен ...

СИСТЕМА ОХЛАЖДЕНИЯ И ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ С ТАКОЙ СИСТЕМОЙ ОХЛАЖДЕНИЯ

MEHRZYLINDRIGE BRENNKRAFTMASCHINE MIT EINZELZYLINDERKOEPFEN

Hose connection involves clamp at each hose end for fixture to pipe connections, shafts or other cylindrical components

The hose connection involves a clamp at each hose end for fixture to pipe connections, shafts or other cylindrical components. As clamp, a closed ring (2) is used and is completely vulcanized into the hose. Ring shoulders (5) are provided for guiding a tool for compressing the ring clamp. The clamp comprises an all-round aluminium band, possible with steel tabs for retaining the band ends by means of riveting to form a ring. At the hose ends, pockets (7) are provided, with at least an at least thin covering (8) with hose material back to the outer periphery.

Kühlsystem für einen Verbrennungsmotor mit röhrenförmiger Leitung und Schildabschnitt

Kühlsystem (10) für einen Verbrennungsmotor (12), das umfasst:eine röhrenförmige Leitung (14), die ausgebildet ist, um ein Kühlmittel zu verschiedenen Komponenten des Verbrennungsmotors (12) und von diesen zu leiten, um überschüssige Wärme von diesen zu entfernen;einen Schildabschnitt (28), der mit der röhrenförmigen Leitung (14) fluidisch in Reihe gekoppelt und zwischen einer Wärmequelle und einer kälteren Betriebskomponente angeordnet ist, wobei der Schildabschnitt (28) ferner umfasst:einen Kühlkörper (34);einen rechteckigen Einlass (31), der mit der röhrenförmigen Leitung (14) in Fluidverbindung steht und ausgebildet ist, um das Kühlmittel in den Kühlkörper (34) zu leiten; undeinen Auslass (32), der mit der röhrenförmigen Leitung (14) in Fluidverbindung steht und ausgebildet ist, um das Kühlmittel aus dem Kühlkörper (34) zu leiten,wobei der Kühlkörper (34) einen großen Oberflächenbereich und einen hohlen, rechteckigen Querschnitt aufweist, dessen Breite zwischen dem rechteckigen Einlass ...

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.

Brennkraftmaschine mit abnehmbarem Zylinderkopf

Electrically powered pump element for motor vehicle cooling system has one suction side connection for connection to heat exchanger output, and one for connection to output of cooled device

The pump element (107) feeds coolant in a first circuit directly from the output of a device to be cooled to its input and in a second circuit from the output of the device to be cooled to its input via a heat exchanger. The pump element has at least two connections on its suction side, one (109) for connection to the heat exchanger output and one (110) for connection to the output of the device to be cooled. An Independent claim is also included for a heat exchanger for use in a motor vehicle cooling system.

Verbindungseinrichtung zum fluidischen Verbinden von von einem Kühlmittel durchströmbaren Komponenten eines Kraftfahrzeugs

Die Erfindung betrifft eine Verbindungseinrichtung (10) zum fluidischen Verbinden von von einem Kühlmittel durchströmbaren Komponenten (12a–c) eines Kraftfahrzeugs, mit wenigstens zwei jeweils zumindest einen von dem Kühlmittel durchströmbaren Kanal (18, 20) aufweisenden, separat voneinander ausgebildeten und aus einem Kunststoff hegestellten Verbindungselementen (14, 16) zum fluidischen Verbinden der Komponenten (12a–c), wobei die Verbindungselemente (14, 16) jeweilige Rastelemente (30, 32), mittels welchen die Verbindungselemente (14, 16) miteinander verbindbar sind, aufweisen, und wobei wenigstens eines der Verbindungselemente (14, 16) zumindest ein Formschlusselement (38) aufweist, mittels welchem die Verbindungseinrichtung (10) unter Ausbildung einer Steckverbindung an einem weiteren Bauelement (40) des Kraftfahrzeugs befestigbar ist.

Kühlmittelleitung für ein Fahrzeug, insbesondere für ein Kraftfahrzeug

Die Erfindung betrifft eine Kühlmittelleitung (10) für ein Fahrzeug, mit wenigstens einem Umlenkbereich (12), welcher zwei einander in einem Abstand (A1) gegenüberliegende Längenbereiche (16, 18), einen aus einem elastisch verformbaren Werkstoff gebildeten und bogenförmigen Übergangsbereich (20), über welchen die Längenbereiche (16, 18) miteinander verbunden sind und einen durch die Längenbereiche (16, 18) und den Übergangsbereich (20) begrenzten Zwischenraum (26) aufweist, und mit wenigstens einem von einem Kühlmittel des Fahrzeugs durchströmbaren und sich durch die Längenbereiche (16, 18) und den Umlenkbereich (20) hindurcherstreckenden Kanal (32), wobei in dem Zwischenraum (26) wenigstens ein Verbindungselement (34) angeordnet ist, über welches zumindest die Längenbereiche (16, 18) miteinander verbunden ist.

Sleeve with moulded-on sealing lips

Sleeve 3 for the connection of two liquid-carrying bores 1 and 2 of an internal combustion engine, essentially aligned with one another, the sleeve 3 being provided with moulded-on sealing lips 4 and 5. ...

Verfahren zur Herstellung einer Steckverbindung und Steckverbindung

Die Erfindung betrifft ein Verfahren zur Herstellung einer Steckverbindung eines Steckteils mit einem Stutzen als flüssigkeits- und/oder luftdichte Verbindung, bevorzugt im Kraftfahrzeugbau, wobei das Steckteil und der Stutzen über einen in einer L-förmigen Dichtringnut befindlichen Dichtring, insbesondere Formdichtring, zueinander abgedichtet werden, wobei in einem ersten Verfahrensschritt der Dichtring zusammen mit einem Sicherungsring als Dichtungspaket in axialer Richtung in die in axialer Richtung geöffnete L-förmige Dichtringnut eingebracht wird und in einem zweiten Verfahrensschritt mit Hilfe eines in axialer Richtung bewegten Drückwerkzeuges im Bereich der radialen Begrenzungswand der L-förmigen Dichtringnut Sicken erzeugt werden, die in Umfangsrichtung einen gegenseitigen Abstand voneinander einnehmen und welche die L-förmige Dichtringnut im Bereich ihrer axialen Öffnung mindestens teilweise verlegen und damit den Sicherungsring an seiner einen axialen Seite festlegen. Hierdurch ...

An internal combustion engine

Hose assembly

A hose assembly 10, for a machine which includes an engine, is connected to a fluid reservoir 23 and comprises a fluid cooler 15 including a thin walled metal conduit 24 which is connected to a plastic hose 12. A push fit connection 16 is provided between the hose 12 and the reservoir 23 for use during assembly and maintenance, and a permanent connection 14 is provided between the metal conduit 24 and the plastic hose 12. The push fit connection 16 may comprise a female part (31 see fig 3) which has a spigot (29 see fig 3). The female part (31) is secured to the hose 12, and snap connection is provided by a resilient member (32 see fig 3) which radially extends to fit with a male connector part (34 see fig 3) of the reservoir 23. The assembly 10 may be connected to a vehicle steering system.

Hose-pipe connections

... 1,071,978. Pipe connections; hose pipes. FORD MOTOR CO. Ltd. May 6, 1966, No. 20114/66. Headings F2G and F2P. A reinforced rubber hose:pipe 4 which may have a softer rubber layer 6 forms a seal with a circumferential projection 2 within a metal or plastics tube 1 having an enlarged bore 1b at the free end thereof and inclined recesses or apertures 3 in which are engaged hooks 7c at the ends of fingers 7b spaced around the cylindrical portion 7a of a metal fastener 7 bonded to or embedded in the hose; alternatively, the fastener is replaced by rubber barbs formed integrally with the hose.

Engine mount

Engine cooling system

Adaptable fluid-flow apparatus

KÜHLMITTELLEISTE FÜR EINE FLÜSSIGKEITSGEKÜHLTE BRENNKRAFTMASCHINE

TIFF 00000005.TIF 293 208 TIFF 00000006.TIF 293 208 ...

HEAT TRANSDUCER, IN PARTICULAR INTERCOOLER

PUMP ARRANGEMENT FOR A COOLIG SYSTEM FOR A COMBUSTION ENGINE

MARINE PROPULSION DEVICE WATER SUPPLY SYSTEM

INTERNAL COMBUSTION ENGINE WITH HYBRID COOLING SYSTEM

Brennkraftmaschine mit mehreren im Kopf eines Zylinders angeordneten Ventilen

Brennkraftmaschine mit abnehmbarem Zylinderkopf

Röhrenbündel, insbesondere für Wärmeaustauscher und Verfahren zu seiner Herstellung

Mehrzylindrige Brennkraftmaschine mit seitlich angeordnetem Kühlwasserverteilrohr

Internal combustion engine with a venting system.

Die vorliegende Anmeldung zeigt einen Verbrennungsmotor (4) mit einem Entlüftungssystem für eine Mehrzahl von Komponenten und/oder Bereichen (1, 1´) des Verbrennungsmotors (4), mit einer Entlüftungsleitung, welche Entlüftungsöffnungen der Mehrzahl von Komponenten und/oder Bereichen (1, 1´) mit einem Tank (8) und/oder der Umgebung verbindet, wobei die Entlüftungsleitung einen ersten Strang (5) aufweist, welcher mindestens zwei Entlüftungsöffnungen (9, 9´) seriell verbindet. Dabei ist vorgesehen, dass die Entlüftungsleitung mindestens einen zweiten Strang (6) aufweist, welcher parallel zu dem ersten Strang (5) in der Entlüftungsleitung angeordnet ist.

Cooling tube assembly of heading machine

FITTING Of ONE LIMPS OF DEGASIFICATION BELONGING To a COOLANT CIRCUIT FOR THERMAL ENGINE

TUYAUX SOUPLES POUR LE TRANSPORT DE FLUIDES SOUS PRESSION OU DEPRESSION, NOTAMMENT POUR MOTEURS DE VEHICULES AUTOMOBILES

PROCEDE POUR LA FABRICATION DE TUYAUX POUR LE TRANSPORT DE FLUIDES APPLICABLE NOTAMMENT AUX MOTEURS DE VEHICULES AUTOMOBILES. IL RESULTE DE L'EXTENSION D'UNE MATIERE SYNTHETIQUE CHARGEE DE MICRO-FIBRES DE RENFORT, PREFERENTIELLEMENT ENSIMEES, QUI S'ORIENTENT AU COURS DE CETTE OPERATION, DONNANT LIEU A UNE EBAUCHE 1 QUI, AVANT POLYMERISATION, EST SOUMISE A UNE DEFORMATION RADIALE CREANT UNE SERIE DE PLIS 2 CIRCULAIRES ET CONCENTRIQUES A L'AXE DU TUYAU DANS DES ZONES 4 DE L'EBAUCHE 1 DESTINEES A ETRE COURBEES, CETTE DEFORMATION ETANT OBTENUE PAR SOUFFLAGE INTERNE DE L'EBAUCHE 1 OU SA MISE EN DEPRESSION EXTERNE DANS UN MOULE 13, DONT LA SURFACE COMPORTE LE PROFIL EXTERIEUR DES SPIRES ANNELEES 2.

FOUR-WAY CONNECTOR OF COMPACT FORM AND ITS USE ON THE COOLING CIRCUIT OF A MOTOR VEHICLE.

A method of cooling an engine and conducts variable volume for [...] said method.

Ensemble formant raccord d'accouplement pour circuits de réfrigérant de moteur de véhicule.

Un ensemble formant raccord d'accouplement (1) pour circuits de réfrigérant de moteur de véhicule, dans lequel un élément de distribution tubulaire multivoies (2) présente des embouts tubulaires respectifs (10) fixés à la partie d'extrémité d'un tuyau de dérivation (4). Le tuyau (4) et l'embout tubulaire (10) sont assemblés monobloc à l'aide d'un raccord d'accouplement tubulaire (25) moulé d'une seule pièce sur la partie d'extrémité du tuyau (4), sur une partie de raccordement relativement réduite de l'embout (10).

WATER-COOLING DEVICE OF AN AUTOMATIC TRANSMISSION.

DECANTER WITH COOLING CHANNEL

STRUCTURE OF the PART BEFORE MOTOR VEHICLE COMPRISING a ECHANGEURAIR-AIR

POLYAMIDE-BASED MULTILAYER TUBE AND FLUOROPOLYMER FOR TRANSFERRING FLUIDS

STRUCTURE OF COOLING OF ENGINE

Piston cooling device for internal combustion engine, has jet nozzles integrated to common supply manifold with which rigid assembly is formed, where assembly is associated to fixing unit for being fixed directly to engine block

Un dispositif de refroidissement selon l'invention comprend au moins une rampe d'alimentation commune (5a) portant une série de gicleurs (1a, 2a, 3a, 4a) en formant un ensemble mécaniquement rigide (6a), avec des moyens de fixation (61, 62, 63) pour la fixation dans le moteur, et avec des moyens de connexion hydraulique (7a) pour la connexion hydraulique à un circuit d'alimentation prévu dans le moteur. L'ensemble mécaniquement rigide (6a) se fixe dans le bloc-moteur, depuis la face inférieure, les pattes de fixation (61-63) se fixant sur des zones facilement accessibles du bloc-moteur avant adaptation du carter inférieur. Les moyens de connexion (7a) se fixent dans le carter inférieur, et se connectent en sortie du filtre à huile par un clapet commun (22). On peut ainsi adapter un dispositif de refroidissement pour pistons de moteur à combustion interne, sans avoir à modifier la structure du bloc-moteur.

DEVICE TO SUPPORT THE DRAIN OF EXIT OF THE RADIATOR IN A MOTOR VEHICLE

PLANTABLE CONNECTION IN A COOLANT CIRCUIT TO FORM A DERIVATION TOWARDS AN EXTERNAL CIRCUIT

Coolant circuit for combustion engine of car, has heat exchanger to cool vehicle accessory, inlet pipe for inletting coolant to exchanger and connecting exchanger to radiator outlet pipe, and downstream pipe pricked on another inlet pipe

L'invention concerne un circuit de refroidissement de moteur à combustion de véhicule automobile, comprenant un radiateur (2), une pompe (4) faisant circuler le liquide de refroidissement dans le moteur (1), un échangeur thermique (7) de refroidissement d'un accessoire du véhicule, comportant une conduite aval (72) de l'échangeur thermique de refroidissement d'accessoire (7) piquée sur une conduite d'arrivée (20) de liquide de refroidissement au radiateur (2).

Layout of heat exchanger in engine cooling circuit consists of directly connecting exchanger inlet and return pipes on tappings associated with principal pipe without any intermediate connection part

La présente invention propose un agencement compact pour le raccordement d'un échangeur de chaleur (14) avec le circuit de refroidissement d'un moteur thermique (16) comportant une conduite principale (12) à l'intérieur de laquelle circule un liquide de refroidissement, du type dans lequel l'échangeur (14) comporte un conduit d'arrivée et un conduit de retour qui sont prévus pour être raccordés respectivement à deux piquages (24, 26) associés de la conduite principale (12), caractérisé en ce que l'échangeur (14) est raccordé directement par ses conduits d'arrivée et de retour sur les piquages (24, 26) associés de la conduite principale (12), sans pièce intermédiaire de raccordement. L'invention propose aussi un procédé de montage de l'échangeur (14) sur le circuit de refroidissement du moteur (16).

POWER UNIT OF MOTOR VEHICLE COMPRISING a JUST WATER CONDUIT HAS a CRUTCH

L'invention propose un groupe motopropulseur de véhicule automobile comportant au moins un moteur transversal qui est accouplé à une transmission, dont un bloc moteur comporte une première face comportant au moins une sortie d'un circuit de refroidissement et une seconde face (26) opposée qui porte au moins un turbocompresseur et un dispositif (32) de recirculation des gaz d'échappement, ledit groupe motopropulseur comportant au moins une béquille (38), fixée au bloc moteur, qui reçoit l'extrémité d'un conduit (40) coudé du turbocompresseur et ledit groupe motopropulseur (14) comportant au moins un conduit (42, 44) de circulation d'eau qui est relié à la sortie de la première face et qui alimente le dispositif (32) de recirculation des gaz d'échappement, caractérisé en ce qu'au moins une partie intermédiaire du conduit (42, 44) est portée par la béquille (38).

Fastening for pipe and moulded component e.g. in vehicle engine compartment, comprises clip passing through slots in moulded component to engage with pipe

Pièce moulée destinée à être raccordée à une tuyauterie au moyen d'une agrafe, comportant une excroissance ayant une cavité interne de forme tubulaire destinée à recevoir par emmanchement, l'extrémité de la tuyauterie, cette excroissance comportant au moins un évidement destiné à l'insertion d'au moins une partie de l'agrafe, et le ou les évidements étant situés d'un même côté par rapport à un plan axial de cette excroissance.

WATER COOLING DEVICE OF VERTICAL MULTI-CYLINDER ENGINE

Water-cooled internal combustion engine having radiator

Simplifying a water circulation structure of a cylinder block and realizing a compact layout of piping connecting an engine body and a radiator. A water-cooled internal combustion engine (E) is provided with an engine body including a cylinder block (20) and a cylinder head (21), and a radiator (52). The radiator (52) is disposed separated, in a prescribed direction, i.e. in a rightward direction, from the engine body. A chain chamber (44) which accommodates a transmission mechanism, including a chain, for a valve system is provided in end portions (20e and 21e), which are located rightwardly toward the radiator (52), of the cylinder block (20) and the cylinder head (21), respectively. A cooling water outlet portion (61) open to a cylinder head water jacket (Jh) is provided in the end portion (21e) of the cylinder head (21), the cooling water outlet portion (61) being connected with an inlet pipe (57) for leading the cooling water having flowed out of a cylinder block water jacket into ...

Metod och anordning vid cirkulationspumpar

Cooling water piping arrangement structure of scooter type vehicle

REINFORCED HOSE

The invention relates to a hose, comprising an elastomeric material and a textile reinforcement, the textile reinforcement being made substantially of fibers selected from the group of aliphatic polyamides, characterized in that the heat shrinkage of the fibers is smaller than 2.5%.

COOLANT CIRCUIT MANIFOLD FOR A TRACTOR-TRAILER TRUCK

A tractor-trailer truck engine coolant manifold comprises a first supply port for receiving coolant from an engine or radiator, and a first return port for returning coolant to the engine or radiator. The manifold also has a second supply port in fluid communication with the first supply port, and a second return port in fluid communication with the first return port. Further, the manifold can have a third supply port in fluid communication with the first supply port, and a third return port in fluid communication with the first return port. The coolant manifold can further have one or more internal flow paths that are configured so that coolant flow rate or pressure exiting one supply port is different from the coolant flow rate or pressure exiting from another supply port, pre-selected based upon the thermal requirements of the heat source or heat sink components.

COOLING CIRCUIT FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE

The invention relates to a cooling circuit and to a method for operating a cooling circuit for a multi-cylinder internal combustion engine, comprising a cooling jacket (16, 18, 20, 22) surrounding a cylinder head housing (14) and a cylinder block, whereby said cooling jacket is supplied with coolant by means of a pump. According to the invention, the cylinder cooling jacket (16, 18) and the cylinder head cooling chamber (20,22) are provided with a connection (36, 38) for the supply of the coolant. Coolant flows through the cylinder head housing (14) and the cylinder block in a parallel manner. The cylinder block and the cylinder head can thus be cooled according to requirements without the need for any extra control devices. The engine quickly reaches its operating temperature; as a result, the cold running phase is reduced and fuel consumption and raw emissions can subsequently be reduced.

Pipe retainer

A pipe for simultaneously retaining a first pipe to a first port and a second pipe to a second port includes a first yoke for receiving the first pipe and the first port to retain the first pipe to the first port; a second yoke for receiving the second pipe and the second port to retain the second pipe to the second port; and a hinge joining the first yoke to the second yoke such that the hinge allows the first yoke to pivot relative to the second yoke about a hinge axis between 1) a disassembled position which allows removal of the pipe retainer from the first pipe, the first port, the second pipe, and the second port and 2) an assembled position which prevents removal of the pipe retainer from the first pipe, the first port, the second pipe, and the second port.

WATER PUMP FOR VEHICLE

A water pump for a vehicle includes a shaft for receiving rotational power from the engine; an impeller mounted on the shaft to pump the coolant discharged from the engine; and a housing where the shaft and the impeller are embedded, disposed in a direction opposite to the direction to which the shaft is connected with respect to the impeller to have a coolant inflow passage, into which the coolant discharged from the engine flows, formed therein, disposed along the edge of the impeller to have a coolant discharge passage for discharging the coolant pumped by the impeller to the heat exchanging means formed therein, and disposed in the direction to which the shaft is connected to have a bypass passage for discharging the coolant to the engine formed therein, and the housing has a connecting passage for connecting the coolant inflow passage and the bypass passage formed therein.

Vehicle engine cooling system

A vehicle engine cooling system may include a high temperature radiator in which a high temperature coolant for cooling an engine by using ambient air flows, a low temperature radiator in which a low temperature coolant for cooling a water-cooled condenser by using ambient air flows, an integrated cooler configured to cool a low pressure EGR gas and air which has passed through a turbocharger, a high temperature radiator circulation line provided to allow the high temperature coolant to circulate the high temperature radiator, the engine, and the integrated cooler, a low temperature radiator circulation line provided to allow the low temperature coolant to circulate the low temperature radiator, the condenser, and the integrated cooler, and a plurality of control valves provided on the high temperature radiator circulation line and the low temperature radiator circulation line.

Internal combustion engine with heat accumulator

An internal combustion engine includes a heat accumulator to accumulate heat from a heat medium, a heat supplier to supply the heat medium accumulated in the heat accumulator to the internal combustion engine, and plural inlets to introduce the heat medium supplied by the heat supplier to each cylinder of the internal combustion engine. Differences in temperature among the cylinders are decreased since the warmed heat medium flows into each cylinder directly.

Dual loop cooling system energy storage and reuse

Methods and systems are provided for a dual loop coolant system used to control an engine temperature. In one example, cooling capacity is transferred from a low temperature loop to a heat exchanger, and cooling capacity stored in the heat exchanger is transferred to a high temperature loop (e.g., an engine coolant loop). The flow of coolant from the dual loop coolant system to the heat exchanger may be regulated responsive to a temperature of the coolant in each of the low temperature loop and the high temperature loop.

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 ...

ЛИНЕЙНЫЙ ЭЛЕМЕНТ

... 1. Элемент (1) трубопровода, содержащий трубопровод (2) для жидкости и корпус (3), герметично окружающий указанный трубопровод (2) в радиальном направлении, при этом между трубопроводом (2) для жидкости и корпусом (3) образована кольцевая полость (4), которая по меньшей мере частично заполнена сжимаемой средой, а в трубопроводе (2) для жидкости внутри кольцевой полости (4) имеется по меньшей мере одно отверстие (13). ! 2. Элемент трубопровода по п.1, отличающийся тем, что отверстие (13) расположено на расстоянии от осевых границ (5, 6) кольцевой полости. ! 3. Элемент трубопровода по п.1 или 2, отличающийся тем, что сжимаемая среда представляет собой воздух, заключенный в корпусе (3). ! 4. Элемент трубопровода по п.1 или 2, отличающийся тем, что сжимаемая среда представляет собой вспененный материал, в частности вспененный материал с закрытыми порами. ! 5. Элемент трубопровода по п.1 или 2, отличающийся тем, что сжимаемая среда представляет собой упругую емкость, в которой заключена сжимаемая ...

НАКОПЛЕНИЕ И ПОВТОРНОЕ ИСПОЛЬЗОВАНИЕ ЭНЕРГИИ В ДВУХКОНТУРНОЙ СИСТЕМЕ ОХЛАЖДЕНИЯ

ОХЛАЖДАЮЩИЙ УЗЕЛ ПОРШНЕВОГО ДВИГАТЕЛЯ

... 1. Поршневой двигатель (1) с турбонаддувом, содержащий блок (15) двигателя, кронштейн (14), установленный на блоке двигателя, и, по меньшей мере, один насос (12, 13) охлаждающей жидкости для циркуляции охлаждающей жидкости в контуре (39, 40) охлаждения двигателя, при этом кронштейн (14) содержит воздушную рубашку (18) для сжатого воздуха турбонаддува, причем в этой воздушной рубашке (18) расположен охладитель (9, 11) для воздуха турбонаддува, и кронштейн (14) содержит автономный отсек (27) для насоса, в котором расположен насос (12, 13) охлаждающей жидкости, отличающийся тем, что- турбонаддув в двигателе (1) выполняется в два этапа турбокомпрессором (3) низкого давления и турбокомпрессором (6) высокого давления, которые установлены на держателе (14),- воздушная рубашка (18) содержит отделение (36) низкого давления для воздуха турбонаддува низкого давления и отделение (37) высокого давления для воздуха турбонаддува высокого давления, при этом отделение (36) низкого давления содержит охладитель ...

ОПТИМИЗИРОВАННОЕ ОХЛАЖДЕНИЕ МАСЛА ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

... 1. Охлаждающий модуль (9) для охлаждения циркулирующего в масляном контуре двигателя масла посредством протекающего по каналу (5) для охлаждающей среды двигателя потока охлаждающей среды, содержащий корпус (10) модуля, соединенный с корпусом (10) теплообменник (8) масло/охлаждающая среда, соединенный с корпусом (10) масляный фильтр (11) и, по меньшей мере, один проходящий через корпус (10) и ведущий к теплообменнику (8) масло/охлаждающая среда и масляному фильтру (11) канал для охлаждающей среды модуля для транспортировки охлаждающей среды через корпус (10) модуля, отличающийся тем, что канал для охлаждающей среды модуля выполнен, по меньшей мере, частично в виде участка канала (5) для охлаждающей среды двигателя и частично в виде гидродинамически связанного с теплообменником (8) масло/охлаждающая среда байпасного канала (2) к каналу (5) для охлаждающей среды двигателя и к каналу для охлаждающей среды модуля, чтобы разделить поток охлаждающей среды на два частичных потока и образовать за ...

Retaining component for a filter on an internal combustion engine holds a filter for fuel while operating with a cooling circuit

A cooling circuit has a coolant pipe (3) formed partly by a plastic injection-molded retaining component (1) and shaped as one piece. The coolant pipe for the cooling circuit has a feed (4) and discharge (5). An additional connection piece (7) apportions a coolant flow into main and secondary circuits. The coolant pipe has a venting connection piece.

Water-cooled motor cycle engine has a ribbed hose to carry the hot coolant from the engine back to the radiator and reduce its temperature before it reaches the radiator

The cooling system for the water-cooled engine of a motor cycle has a coolant circuit through a radiator (1). At least one cooling ribbed hose (2), of a material with good thermal conductivity, is downstream of the motor and in front of the radiator (1) to carry the hot coolant fluid from the motor, and reduce the coolant temperature before it reaches the radiator.

Multi-cylinder engine with engine braking device has tubular pressure container with pressure regulating valve in which channels from brake valve come out

The engine has a braking device (8) with inlet and outlet valves and at least one additional brake valve (10) for each cylinder. The outlet valves come out into the exhaust system (6). A tubular pressure container (9) with a pressure regulating valve (12) is connected to the brake channels (11) from the brake valves.

Coolant coupling device for internal combustion engine, has conductor arrangement by which coolant-main flow and auxiliary flow, adapted to each other in area of junction point, overflow in discharge

The coolant coupling device (30) has a main inlet (32) for a coolant-mail flow (34) with a main flow direction and an auxiliary inlet (36) for an auxiliary flow (38) with an auxiliary flow direction, which over flows into a discharge (42) after a junction point (40) of the auxiliary inlet into the main inlet. A conductor arrangement (44) is provided by which the coolant-main flow and the auxiliary flow, adapted to each other in the area of the junction point, overflow in the discharge.

Elastomerschlauch für Kraftfahrzeuge, z.B. Turboladerschlauch

Gegenstand der Erfindung ist ein Elastomerschlauch für Kraftfahrzeuge, z. B. einen Turboladerschlauch, Kältemittelschlauch, Kühlwasserschlauch oder Heizungsschlauch der Klimaanlage mit mindestens einer, vorzugsweise mehrerer sich über die Länge des Schlauches (1) erstreckende gegenüber der Oberfläche des Schlauches erhabene Rippen (10).

Motor für ein Fahrzeug mit einer Frontabdeckung mit einem Fluiddurchflusseinsatz

Motor für ein Fahrzeug mit: einer Frontabdeckung (16); einer Pumpe (34), die in der Frontabdeckung (16) positioniert ist; einem Fluiddurchgang (42, 54), der durch die Frontabdeckung (16) ausgebildet ist, um gepumptes Fluid von der Pumpe (34) aufzunehmen und das Fluid in den Zylinderblock (12) zu lenken, wobei der Fluiddurchgang (42, 54) einen Austragsdurchlass (44) aufweist, und ein gekrümmter Abschnitt (56) des Durchganges nahe benachbart des Austragsdurchlasses (44) positioniert ist; und einem Kunststoffeinsatz (50), der in dem gekrümmten Abschnitt (56) und in dem Austragsdurchlass (44) positioniert ist, wobei der Kunststoffeinsatz (50) eine Vielzahl gekrümmter Fluiddurchflussschaufeln (60, 62, 64) aufweist, um strömendes Fluid durch den gekrümmten Abschnitt (56) auf eine Art und Weise zu lenken, damit eine Laminarität einer Strömung in dem gekrümmten Abschnitt (56) und in dem Austragsdurchlass (44) verbessert wird und damit Fluidströmungsverluste verringert werden.

Fluidumdurchgang einer Brennkraftmaschine

ENGINE COOLING SYSTEMS

Engine cooling circuit and method of cooling an engine

A cooling circuit 105 for an engine 110 comprises a main circuit 105M having a main coolant inlet and outlet connected to the engine, and a main coolant flowpath between the main coolant inlet and outlet. An auxiliary circuit 105A has an auxiliary inlet 132 for coolant from the engine, an auxiliary outlet 134 and an auxiliary pump 137. Coolant from the auxiliary circuit is injected into the main circuit in a direction having at least a component in the direction of the main coolant flowpath. Injection of the coolant may be by means of an ejector (134E, Fig.2(b)) comprising a nozzle (134EN), providing a jet pump arrangement. Controller 105C may cause the auxiliary pump to operate when the main circuit is in a radiator bypass configuration and to not operate when the main circuit is in a radiator cooling configuration. The controller may cause a primary pump 117 to pump coolant through the main circuit in the radiator cooling configuration. The cooling circuit may cause the auxiliary pump ...

Engine cooling circuit and method of cooling an engine

CONNECTION ASSEMBLY FOR VEHICLE ENGINE COOLANT CIRCUITS

IMPROVEMENTS IN OR RELATING TO INTERNAL COMBUSTION ENGINES

... 1279132 I C engine cooling systems, heating charge CHRYSLER UNITED KINGDOM Ltd 24 March 1970 [2 April 1969] 17203/69 Heading F1B An I, C, vee engine has a cooling jacket 14, 15, Fig. 1, formed in the cylinder block and cylinder head of each bank, a supply connection from a heat exchanger to a chamber 26, Fig. 3, located between the cylinder heads having outlet ports 27 leading to the cooling jackets and a return connection from the cooling jackets to the heat exchanger. Coolant leaving the cylinder banks passes via a further chamber 30 and a housing 33, containing a thermostatically controlled valve, to a radiator (not shown). The housing port 34 is closed when the coolant temperature is low so that coolant is by-passed to a manifold 20 and leads to either the matrix of a heater from whence it returns to the coolant pump inlet or leads directly to the coolant pump inlet so that when port 34 is closed coolant by-passes the radiator. Fuel/air mixture from a carburettor passes via ports 23 ...

CONNECTING ARRANGEMENT FOR PRINTING MEDIA CHANNELS IN A DIESEL ENGINE

OPTIMIZED OIL-COOLED SYSTEM FOR AN INTERNAL-COMBUSTION ENGINE

Coolant flow path e.g. coolant pipe, for internal combustion engine of vehicle, has sectional surface structure formed by recesses and/or projections, which are periodically arranged in rows in matrix structure

The path (3) e.g. coolant pipe (2), has a sectional surface structure formed by recesses and/or projections, which are periodically arranged in rows in a matrix structure. The recesses and/or projections are arranged in a region of a flow deflection (4) of the path. The recesses and/or projections are arranged in a region of a bend inner side of the flow deflection. The recesses and/or projections exhibit a height of 1 millimeter. A largest diameter of the recesses and/or projections is 3 millimeters, and a distance between the recesses or projections is about 3 millimeters.

MEHRZYLINDERBRENNKRAFTMASCHINE MIT EINER MOTORBREMSEINRICHTUNG

The engine has a braking device (8) with inlet and outlet valves and at least one additional brake valve (10) for each cylinder. The outlet valves come out into the exhaust system (6). A tubular pressure container (9) with a pressure regulating valve (12) is connected to the brake channels (11) from the brake valves.

Mechanism for the circulation of the cooling water in internal-combustion engines, in particular for motor vehicles

COOLING AGENT PIPE FOR INTERNAL-COMBUSTION ENGINES AS WELL AS PROCEDURE FOR THE PRODUCTION OF THE SAME

LIQUID-COOLED ENGINE

To simplify the connection of a cylinder barrel and a cylinder head to a crankcase and to lighten an engine in the liquid-cooled engine provided with the crankcase, the cylinder barrel having a water jacket on the cylinder side for cooling and connected to the crankcase and the cylinder head connected to the cylinder barrel. Plural mounting bosses extended from fitting planes to a crankcase of cylinder barrels to cylinder heads are integrated with cylinder blocks in which the cylinder barrels and the cylinder heads are integrated in a state in which the mounting bosses encircle cylinder bores, and the cylinder blocks are fastened to the crankcase by bolts inserted into each mounting boss.

COOLING SYSTEM IN A LIQUID COOLED INTERNAL COMBUSTION ENGINE

COOLING SYSTEM IN A LIQUID COOLED INTERNAL COMBUSTION ENGINE

COOLING SYSTEM IN A LIQUID COOLED INTERNAL COMBUSTION ENGINE A by-pass canal of a cooling system in an internal combustion engine for bypassing a cooling liquid between a thermostat and a liquid pump in a shortcircuit. The by-pass canal is formed in a cylinder, and a cylinder head of the engine or formed in a cylinder, a cylinder head and a crank case of the engine without extending outside of the engine.

DE-AERATING FLOW STRAIGHTENER FOR COOLING SYSTEM

A liquid coolant flow straightener is provided for use with a cooling system to at least partially straighten flow of liquid coolant, promoting de-aeration of the liquid coolant.

ENGINE COOLING SYSTEM FOR SNOWMOBILE

A snowmobile having a liquid cooled transversely disposed internal combustion engine comprised of two blocks each containing two cylinder in aligned fashion. The coolant pump for the engine is disposed on one side of the engine and communicates with cooling jacket inlets on the other side through conduits that extend through the crankcase for controlling the temperature of the crankcase.

Vehicle

A vehicle is disclosed that has multiple coolant paths selected by control of a three-way valve in which the position of the valve is detectable. A method for detecting the valve position during fault conditions is disclosed. The vehicle has a heating system that includes a first coolant loop with a heating source, a water pump, and a heater core. The heating system also has a second coolant loop that includes an engine and a second water pump, in addition to the elements of the first coolant loop. Temperature sensors are located in each coolant loop. A three-way valve fault is detected by monitoring the behavior of the temperature sensors in response to the position of the three-way valve and the status of the heating sources.

Water jacket structure of cylinder head

A water jacket structure of a cylinder head, which can inhibit a flow speed of a coolant liquid which flows through the inside of each water jacket from decreasing. The water jacket of the cylinder head has multiple combustion chamber tops (21), multiple exhaust openings (23), an exhaust gas gathering part (24) which gathers the exhaust gas from the multiple exhaust openings (24), a combustion water jacket on the top of a cooling combustion chamber (60), an upper-side exhaust water jacket (80) configured on an upper side with respect to the exhaust gas gathering part (24), a lower-side exhaust water jacket (90) configured on a lower side with respect to the exhaust gas gathering part (24), and a water outlet (100) which supplies the coolant liquid discharged from outlet opening parts (63, 83, 93) serving as openings of the coolant liquid to other components. The water outlet (100) has a first space part (111) corresponding to the outlet opening parts (83, 93), a second space part (112) ...

Multifunctional module for an internal combustion engine of a motor vehicle

TANK USED IN ENGINE COOLING SYSTEM, ENGINE COOLING SYSTEM, AND WORK MACHINE

The invention relates to a tank used in an engine cooling system, the engine cooling system, and a work machine. The tank includes a housing and a partition which dividing the housing into an exhaust tank and an expansion tank which are sealed from each other. The exhaust tank includes a first connecting pipe and a second connecting pipe, the first connecting pipe being adapted to be fluidly connected to an engine cylinder jacket of the engine cooling system to introduce coolant into the exhaust tank, and the second connecting pipe being adapted to be fluidly connected to a heat exchanger of the engine cooling system to discharge the coolant into the heat exchanger. The expansion tank includes a third connecting pipe adapted to be fluidly connected to the engine cooling system. The tank further includes a guiding tube having a first end in communication with the exhaust tank, and a second end arranged in the expansion tank, so that gas contained in the coolant flowing through the exhaust tank is exported into the expansion tank through the guiding tube. The exhaust tank enables the gas in the coolant to be separated before entering the heat exchanger, and the thermal stress impact to the heat exchanger is reduced. 1. A tank for an engine cooling system , comprising:a housing; a first connecting pipe adapted to be fluidly connected to an engine cylinder jacket of the engine cooling system to introduce a coolant into the exhaust tank, and', 'a second connecting pipe adapted to be fluidly connected to a heat exchanger of the engine cooling system to discharge the coolant into the heat exchanger;, 'a partition dividing the housing into an exhaust tank and an expansion tank sealed from each other, wherein the exhaust tank compriseswherein the expansion tank comprises a third connecting pipe adapted to be fluidly connected to the engine cooling system; 'a guiding tube that has a first end in communication with the exhaust tank and a second end arranged in the expansion ...

COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE PROVIDED WITH BLOWBY GAS RECIRCULATION DEVICE AND TURBOCHARGER (AS AMENDED)

The object of the invention is to provide a cooling device for accomplishing both of required engine and compressor cooling degrees. The invention relates to a cooling device for an engine provided with a blowby gas recirculation device () and a turbocharger (), the blowby gas recirculation device recirculating a blowby gas to an intake passage upstream of a compressor of the turbocharger. The cooling device comprises a first cooling device () for cooling a body () of the engine and a second cooling device () for cooling an intake air, separately. The second cooling device cools the compressor (). 17.-. (canceled)8. A cooling device for an internal combustion engine provided with a blowby gas recirculation device and a turbocharger , the blowby gas recirculation device recirculating a blowby gas to an intake passage upstream of a compressor of the turbocharger ,the cooling device comprising:first cooling means for cooling a body of the engine; andsecond cooling means, other than the first cooling means, for cooling an intake air and the compressor,wherein the second cooling means has:a cooling medium passage in which a cooling medium for cooling the intake air and the compressor flows; anda compressor bypass passage for making a part of the cooling medium bypass the compressor.9. The cooling device for the engine as set forth in claim 8 , wherein the second cooling means has:medium cooling means for cooling a cooling medium;a cooling means bypass passage for making at least a part of the cooling medium bypass the medium cooling means; andbypass control means for controlling whether or not at least a part of the cooling medium is made to bypass the medium cooling means via the cooling means bypass passage, andthe bypass control means is configured to make at least a part of the cooling medium bypass the medium cooling means via the cooling means bypass passage when a temperature of the body of the engine is lower than a predetermined temperature.10. The cooling ...

ENGINE WARMING SYSTEM

A system for warming the engine of a water-cooled vehicle by exchanging coolant with a warm vehicle or a storage tank of warmed coolant. The system utilizes a fitting that, in one position, allows for normal function of the cooling system of a vehicle, and in another position the fitting allows for fluid exchange with an outside source, such as another vehicle. The outside source can be a second vehicle equipped with a fitting or a standalone heater. Fluid transfer hoses are connected to each fitting to exchange coolant between vehicles. 1. An engine warming system for water cooled vehicles with coolant hoses and a radiator , comprising:a first fluid exchange fitting having a first inlet port, a first outlet port, a second inlet port, and a second outlet port;said first fluid exchange fitting having a first position wherein a first passage is formed for the flow of a fluid between said first inlet port and said first outlet port;said first fluid exchange fitting having a second position wherein a second passage is formed between said first inlet port and said second outlet port and a third passage is formed between said second inlet port and said first outlet port;said first fluid exchange fitting selectively transitionable between said first position and said second position;said first outlet port and said first inlet port connected to a coolant hose of a first vehicle so that when said first fluid exchange fitting is in said first position a cooling system of said first vehicle functions as originally designed;a fluid exchange tank having a receiving port configured to receive a liquid from said first vehicle via said second outlet port, and a discharge port configured to discharge a fluid to said first vehicle via said second inlet port;a heater connected to said fluid exchange tank for heating a quantity of fluid for exchange with said first vehicle fluid;a first fluid transfer hose connectable between said exchange fitting second outlet port and said fluid ...

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 ...

Female Connector of a Plug-In Connector and Plug-In Connector

According to one embodiment a plug-in connector is provided that includes a female connector and a male connector. The female connector includes a head configured for being connected to the male connector and a body fixed to the head which is configured for being attached to a pipe/hose. A contact area comprising a line of contact communicated with the inside of the female connector is defined between the head and the body. The plug-in connector also includes a sealing gasket configured for assuring leak-tightness between the female connector and the male connector, the line of contact being arranged in a previous axial position with respect to at least part of the sealing gasket in the direction of insertion of the male connector into the female connector, such that the sealing gasket itself also assures the leak-tightness in the line of contact.

SYSTEM FOR REGULATING COOLANT FLOW IN AN ENGINE

A fluid regulator for an engine coolant system includes a thermostat. The thermostat is configured to route engine coolant through an engine and a radiator in one mode and through the engine to bypass the radiator in another mode. 1. A fluid regulator for use in an engine coolant system including an engine and a radiator , the fluid regulator comprisinga fluid-control housing formed to include an inlet port arranged to receive engine coolant from an engine, a radiator port arranged to discharge engine coolant to a radiator associated with the engine, and a radiator bypass port arranged to discharge engine coolant to the engine, the fluid-control housing also being formed to include a fluid-transfer passageway arranged to conduct engine coolant flowing in a radiator loop through the engine and the radiator in the fluid-control housing from the inlet port to the radiator port and a radiator-bypass passageway arranged to conduct engine coolant flowing in a bypass loop through the engine without passing through the radiator from a first thermostat node located in the fluid-transfer passageway to the radiator bypass port, the first thermostat node being located in the fluid-control housing to divide the fluid-transfer passageway into an upstream section arranged to interconnect the inlet port and the first thermostat node in fluid communication and a downstream section arranged to interconnect the first thermostat node and the radiator port in fluid communication,a fluid-flow controller located in the fluid-control housing, the fluid-flow controller including a radiator bypass thermostat located at the first thermostat node and configured to divert flow of engine coolant flowing in the upstream section of the fluid-transfer passageway into the radiator bypass passageway for circulation in the bypass loop when the temperature of the engine coolant at the first thermostat node is below a predetermined temperature and into the downstream section of the fluid-transfer ...

Method and Device for Ventilating a Heat Management System of an Internal Combustion Engine

To ventilate a heat management system of an internal combustion engine, in which coolants circulate in several coolant circuits, connected inlets of a rotary valve may be opened and closed in a predetermined sequence, in order to ventilate one or more of the coolant circuits in the direction of the compensation tank, by means of at least one ventilation circuit which is in fluid connection with a coolant compensation tank. The rotary valve may be controlled by means of a control unit, wherein a non-connected inlet of the rotary valve is in fluid connection with the coolant compensation tank. 1. A method for the ventilation of a heat management system of an internal combustion engine , in which coolant circulates in multiple coolant circuits , the method comprising the acts of:opening and closing switched inlets of a rotary slide valve in a predefined sequence to ventilate one or more of the multiple coolant circuits in a direction of a coolant expansion tank via at least one ventilation line that is fluidically connected to the expansion tank.2. The method as claimed in claim 1 , wherein the method further comprises running the internal combustion engine claim 1 , during the ventilation process claim 1 , at one of idle and in short intervals with an increased engine speed.3. The method as claimed in claim 1 , wherein the switched inlets of the rotary slide valve are each briefly opened.4. The method as claimed in claim 2 , wherein the switched inlets of the rotary slide valve are each briefly opened.5. The method as claimed in claim 1 , wherein opening and closing switched inlets of the rotary slide valve comprises opening and closing switched inlets of the rotary slide valve such that only one of the one or more multiple coolant circuits is open.6. The method as claimed in claim 2 , wherein opening and closing switched inlets of the rotary slide valve comprises opening and closing switched inlets of the rotary slide valve such that only one of the one or more ...

AUXILIARY COOLING SYSTEM

An auxiliary cooling system which is provided separately from an engine cooling passage in a vehicle provided with a turbo engine. The auxiliary cooling system includes a first line which connects a radiator and an intercooler to each other and on which an electric water pump is installed. A second line connects the intercooler and an intake manifold. A third line connects the intake manifold and the radiator, and a bypass valve selectively directly transfers cooling water, heated while passing through a turbine housing provided on a path of the third line, to the radiator or transfers the cooling water to the radiator via an engine block or a heater. Cooling water discharged from the intake manifold passes through an ETC (electronic throttle control) unit and thus reduces a temperature of intake air passing through the ETC unit. 1. An auxiliary cooling system installed separately from an engine cooling passage in a vehicle provided with a turbo engine , the auxiliary cooling system comprising:a first line connecting a radiator and an intercooler to each other, with an electric water pump installed on the first line so that cooling water flows from the radiator toward the intercooler through the first line;a second line connecting the intercooler and an intake manifold to each other and allowing the cooling water to flow therethrough;a third line connecting the intake manifold and the radiator to each other and allowing the cooling water to flow therethrough; anda bypass valve that selectively directs transferring cooling water, heated while passing through a turbine housing provided on a path of the third line, to the radiator or transferring the cooling water to the radiator via an engine block or a heater,wherein cooling water discharged from the intake manifold passes through an ETC (electronic throttle control) unit and thus reduces a temperature of intake air passing through the ETC unit.2. The auxiliary cooling system according to claim 1 , wherein the third ...

Straddle-type vehicle

A straddle-type vehicle includes a radiator; an engine; and a passage which is provided inside the cylinder block and the cylinder head, flows a coolant from the cylinder head toward the cylinder block, and is provided with an inlet located on a rear side of the cylinder head; a pipe which flows the coolant from the radiator toward the passage, and flows the coolant from an outlet toward the radiator; and a thermostat which limits a flow of the coolant inside the pipe in a case where a temperature of the coolant is equal to or lower than a predetermined temperature, and permits the flow of the coolant in a case where the temperature is higher than the predetermined temperature, wherein the outlet is provided on a front side of the cylinder block and the thermostat is attached on a front portion of the engine.

CONTROL VALVE

A valve is disclosed that has an inlet and an outlet in fluid connection in a first position. When the valve is in a second position fluid enters the first inlet and exits the second outlet and enters in a second inlet and out the first outlet. The valve can be used for example to add a fluid circuit to a preexisting circuit. 1. A ball valve , said ball valve comprising:a housing, said housing having a spherical flow control comprising a mechanism for adjusting said spherical flow control, wherein said spherical flow control comprises a circumference, wherein said housing comprises a first inlet passageway and a first outlet passageway configured for fluid connection, wherein said spherical flow control is positioned between said first inlet passageway and said first outlet passageway so as to control the flow of fluid between said first inlet passageway and said first outlet passageway, wherein said spherical flow control comprises a hollow passageway, wherein said first inlet passage way and said first output passageway are configured for fluid connection via said hollow passageway when said spherical flow control is in a first position;wherein said housing comprising a second output passageway and a second inlet passageway, wherein said first inlet passageway and said second output passageway are configured for fluid connection wherein said spherical flow control is positioned between said first inlet passageway and said second output passageway so as to control fluid flow between said first inlet passageway and said second output passageway, wherein said first inlet passageway and said second output passageway are configured for fluid connection when said spherical flow control is in a second position but not when said spherical flow control is in said first position;wherein said housing comprises a second inflow passageway, wherein said second inflow passageway and second outflow passage way are configured to be in fluid connection, wherein said spherical flow ...

Engine system

The internal space of a package is divided by a midlevel wall into a top compartment and a bottom compartment. The top compartment is further divided to provide a radiator chamber that accommodates a radiator and a radiator fan. The midlevel wall has a spatial connection port that spatially connects the radiator chamber and the bottom compartment. There is provided a spatial connection port cover that hangs over the spatial connection port, but that is open sideways. The radiator is disposed to face the radiator fan from below. The radiator has one of sides (e.g., a left frame portion) thereof supported by a spatial connection port cover.

INTERNAL COMBUSTION MACHINE, MOTOR VEHICLE, AND METHOD FOR OPERATING A MOTOR VEHICLE

An internal combustion machine includes a combustion engine and a cooling system with a coolant pump, a main cooler, a heating heat exchanger, a bypass bypassing the heating heat exchanger, coolant channels, and a regulating device with an actuator for distributing a coolant depending on at least one local coolant temperature. When the actuator is actuated in a given direction, the regulating device allows a coolant flow through the combustion engine and the heating heat exchanger and prevents a coolant flow through the bypass and the main cooler in a first position; additionally allows a coolant flow through the bypass in a second position; and additionally allows a coolant flow through the main cooler in a third position. In a zero position which lies before the first position, the regulating device prevents a coolant flow through the combustion engine and allows a coolant flow through the heating heat exchanger. 1. An internal combustion machine comprising:a combustion engine;a cooling system having a coolant pump, a main cooler, a heating heat exchanger, a bypass bypassing said heating heat exchanger, coolant channels in said combustion engine, and a regulating device with an actuator for a regulated distribution of a coolant as a function of at least one local coolant temperature; in a first position of said regulating device, said regulating device permitting a coolant flow through said combustion engine and said heating heat exchanger and preventing a coolant flow through said bypass and said main cooler;', 'in a second position of said regulating device, said regulating device additionally permitting a coolant flow through said bypass;', 'in a third position of said regulating device, said regulating device additionally permitting a coolant flow through said main cooler; and', 'in a zero position of said regulating device, the zero position being located before the first position, said regulating device preventing a coolant flow through said combustion ...

Vortex separation device for a fluid transfer circuit

The invention relates to a vortex degassing device ( 1 ) for a fluid transfer circuit (F 1 , F 2 ), in particular of a motor vehicle, this device ( 1 ) comprising: a first internal chamber ( 10 ) connected to a first inlet ( 11 ) for a fluid (F 1 ) as well as to a first outlet ( 12 ) for a liquid fraction and to a second outlet ( 13 ) for a gaseous fraction, a second internal chamber ( 20 ) connected to a second inlet ( 21 ) for a fluid (F 2 ) as well as to a third outlet ( 22 ) for a liquid fraction and to a fourth outlet ( 23 ) for a gaseous fraction, the second chamber ( 20 ) being located above the first chamber ( 10 ) and the second outlet ( 13 ) extending through the second chamber ( 20 ) to the level of the fourth outlet ( 23 ). The invention also relates to a fluid transfer circuit comprising at least one such device ( 1 ) as well as a method for using such a device ( 1 ).

Molded resin article and method for manufacturing same

A molded resin article and a method of manufacturing a molded resin article that suppresses generation of portions of reduced bonding strength while suppressing separation at the interface between a bond portion (secondary molding resin) on the one hand and a first body and a second body on the other. The molded resin article has a first contact surface formed perpendicular to the main surface of the first body and contacting the second body, a second contact surface formed perpendicular to the main surface of the second body and contacting the first body, and a bond portion bonding together the first body and the second body, formed by injecting molten resin into a resin channel formed by contacting the first contact surface against the second body and contacting the second contact surface against the first body and solidifying the molten resin.

TEMPERATURE CONTROL ARRANGEMENT FOR TRANSMISSION OIL IN A MOTOR VEHICLE AND METHOD FOR CONTROLLING THE TEMPERATURE OF TRANSMISSION OIL IN A MOTOR VEHICLE

A temperature control arrangement for transmission oil in a motor vehicle comprises a coolant circuit which fluidly connects an internal combustion engine and a cooler. The coolant circuit includes a thermostat configured to direct at least a fraction of a coolant leaving the internal combustion engine back to the internal combustion engine, either directly or through the cooler. The temperature control arrangement is configured to direct some of the coolant, flowing back through the cooler or directly, first through the heat exchanger and then to the internal combustion engine. The thermostat is fluidly connected to an interior heater, to the cooler, and to a bypass configured to direct a fraction of the coolant directly back to the internal combustion engine, bypassing the cooler. A suitable method for controlling the temperature of transmission oil in a motor vehicle using a temperature control arrangement of this kind is furthermore indicated.

PISTON COOLING STRUCTURE IN COMBUSTION ENGINE

A piston cooling structure for an engine includes a first nozzle and a second nozzle for injecting a cooling liquid towards a back face of a piston that reciprocally move within a cylinder bore along a cylinder axis line. The first angle of inclination of an axis of the first nozzle relative to the cylinder axis line is set to be smaller than the second angle of inclination of an axis of the second nozzle relative to the cylinder axis line. 1. A piston cooling structure for a combustion engine which comprises:first and second nozzles configured to inject a cooling liquid towards a back face of a piston which reciprocatingly move along a cylinder axis line within a cylinder bore, the first and second nozzles having axes that are inclined at first and second angles relative to the cylinder axis line, respectively,in which the first angle of inclination relative to the cylinder axis line is set to a value smaller than the second angle of inclination relative to the cylinder axis line.2. The piston cooling structure for the combustion engine as claimed in claim 1 , in which the first nozzle injects the cooling liquid towards a portion of the back face of the piston adjacent an exhaust port.3. The piston cooling structure for the combustion engine as claimed in claim 1 , in which the first nozzle has a first injection port and the second nozzle has a second injection port claim 1 , the first injection port being disposed radially inwardly of the second injection port with respect to the cylinder bore.4. The piston cooling structure for the combustion engine as claimed in claim 1 , in which when the piston is at the top dead center claim 1 , the second nozzle injects the cooling liquid towards a portion of the back face of the piston adjacent an exhaust port.5. The piston cooling structure for the combustion engine as claimed in claim 1 , in which the first nozzle has a first injection port and the second nozzle has a second injection port claim 1 , the first injection ...

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 ...

Structure for reducing amount of water splashed on vehicle engine

A transverse engine adjacent to a drive shaft includes an engine body having a crankshaft, a first pipe connected to the engine body and running such that an engine coolant flows therethrough, and an accessory drive system. The accessory drive system includes an endless outer belt wound between a crankshaft pulley and an alternator drive pulley. A portion of the first pipe forms a water protector located between the drive shaft and the outer belt and overlapping with the outer belt as viewed from the front or rear of the vehicle.

ADAPTER FOR ENGINE COOLING SYSTEM

An adapter for an engine cooling system is provided. The adapter, includes a main pipe, having a first end coupled to a first degassing line connected to a high-temperature component, and a second end of coupled to a second degassing line connected to a reservoir tank. A branch pipe is branched from one side of the main pipe to be coupled to a third degassing line connected to the low-temperature component. An inner pipe is disposed at an interior circumference of the main pipe and has a diameter that is gradually reduced toward the reservoir tank. 1. An adapter for an engine cooling system , comprising:a main pipe, having a first end coupled to a first degassing line connected to a high-temperature component, and a second end coupled to a second degassing line connected to a reservoir tank;a branch pipe that is branched from one side of the main pipe to be coupled to a third degassing line connected to the low-temperature component; andan inner pipe disposed at an interior circumference of the main pipe and has a diameter that is gradually reduced toward the reservoir tank.2. The adapter for an engine cooling system of claim 1 , wherein the inner pipe includes:an inlet into which a coolant discharged from the high-temperature component flows and is coupled to the interior circumference of the main pipe andan outlet that a coolant discharged from the high-temperature component is discharged,wherein the diameter of the inner pipe is gradually reduced from the inlet toward the outlet.3. The adapter for an engine cooling system of claim 2 , wherein the branch pipe is coupled to the main pipe to be oblique with respect to a length direction of the main pipe and the coolant discharged from the low-temperature component merges inside the main pipe in an oblique direction.4. The adapter for an engine cooling system of claim 1 , wherein a cavity formed between an exterior circumference of the inner pipe and the interior circumference of the main pipe claim 1 , wherein the ...

Electrical Generator Capable of Indoor Operation

Provided is an electric generator which is capable of being used indoors. The electric generator employs the use of a cooling system which injects water directly into the engine through a domestic water pipe. The cooling system does not require the use of a water pump, radiator, cooling fans, alternator or any associated belts. The electric generator also employs the use of an exhaust system which allows for the passage of cooled exhaust gases and water from the engine in a safe manner without having exhaust fumes enter the home and without posing a fire hazard to the home or building structure. Further advantages of the indoor electric generator are discussed herein. 1. A cooling system for an indoor electric generator comprising:a pipe capable of allowing tap water to be directed to a water inlet and at least one associated conduit;a pressure regulator capable of reducing the pressure of the water flow as it passes through the at least one associated conduit;an adapter plate engaged to the generator engine which is capable receiving a conduit at a main hole water entry point;a flow control valve capable of reducing the flow of water as it passes from the engine through a bypass valve on the adapter plate,wherein the cooling system does not include a water pump, a radiator, cooling fans, an alternator and associated belts.2. An exhaust system for an indoor electric generator comprising:a wet exhaust manifold including a water inlet for receiving water from the cooling system and a water outlet, at least one exhaust gas inlet for receiving exhaust gas from a combustion chamber and an exhaust gas outlet, wherein the water outlet circumferentially surrounds the exhaust gas outlet to provide a cooling effect on the exhaust gases;an exhaust riser engaged to the exhaust gas outlet and water outlet on the wet exhaust manifold, wherein the exhaust riser includes water channels circumferentially surrounding an exhaust channel to provide a cooling effect on the exhaust gases ...

HEAT EXCHANGERS WITH ENHANCED EFFICIENCY

An additive manufactured heat exchanger includes a monolithic housing defining an outer surface, a plurality of first fluid passageways extending between a first fluid inlet and a first fluid outlet, and a plurality of second fluid passageways extending between a second fluid inlet and a second fluid outlet. A cross section of the outer surface defines an irregular shape, the plurality of first fluid passageways and the plurality of second fluid passageways define a convoluted flow matrix within the monolithic housing, and the outer surface of the monolithic housing is complimentary to a space between at least two components of a vehicle. The monolithic housing can also include a plurality of third fluid passageways extending between a third fluid inlet and a third fluid outlet. 1. An additively manufactured (AM) heat exchanger comprising:an AM monolithic housing defining a convoluted flow matrix comprising at least one first fluid passageway extending between a first fluid inlet and a first fluid outlet, and at least one second fluid passageway extending between a second fluid inlet and a second fluid outlet.2. The AM heat exchanger according to further comprising a first fluid flowing through the at least one first fluid passageway and a second fluid flowing through the at least one second fluid passageway.3. The AM heat exchanger according to claim 1 , wherein the convoluted flow matrix comprises at least one of a change in inner dimension along a length direction of the at least one first fluid passageway claim 1 , a change in inner dimension along a length direction of the at least one second fluid passageway claim 1 , a change in outer dimension along a length direction of the at least one first fluid passageway claim 1 , a change in outer dimension along a length direction of the at least one second fluid passageway claim 1 , and combinations thereof.4. The AM heat exchanger according to claim 3 , wherein the change in inner dimension along the length ...

COOLING SYSTEM VALVE

The present invention relates to a cooling system valve () for an internal combustion engine cooling system (), the internal combustion engine cooling system () comprising a radiator () and a coolant passage () adapted to cool at least a portion of an internal combustion engine (), the cooling system valve () being adapted to be located between the radiator () and the coolant passage (), as seen in an intended direction of flow from the radiator () to the coolant passage (). The cooling system valve () is adapted to automatically assume each one of at least the following conditions: —an open condition, allowing coolant transport from the radiator () towards the coolant passage () via the cooling system valve (), and —a closed condition, preventing coolant transport in a direction from the coolant passage () towards the radiator () via the cooling system valve (). 1. A cooling system valve for an internal combustion engine cooling system , said internal combustion engine cooling system comprising a radiator and a coolant passage adapted to cool at least a portion of an internal combustion engine , said cooling system valve being adapted to be located between said radiator and said coolant passage , as seen in an intended direction of flow from said radiator to said coolant passage , said cooling system valve being adapted to automatically assume each one of at least the following conditions:an open condition, allowing coolant transport from said radiator towards said coolant passage via said cooling system valve, anda closed condition, preventing coolant transport in a direction from said coolant passage towards said radiator via said cooling system valve,{'b': '24', 'wherein said cooling system valve is adapted to automatically assume each one of said conditions in dependence of a pressure upstream said cooling system valve, as seen in an intended direction of flow from said radiator to said coolant passage, wherein said cooling system valve () comprises a valve ...

ARRANGEMENT AND A CONTROL METHOD OF AN ENGINE COOLING SYSTEM

An engine cooling system in a vehicle comprises a first coolant circuit and a second coolant circuit connecting an engine to a radiator. A thermostat is arranged in the first coolant circuit and is arranged to be closed during engine warm-up, to prevent flow through the first coolant circuit. The cooling system further comprises a bypass circuit connecting the thermostat to the second coolant circuit and at least one parallel circuit. Each parallel circuit is connected to the second coolant circuit upstream of the bypass circuit, wherein a partial coolant flow is directed from the bypass circuit and upstream through the second coolant circuit into the at least one parallel circuit during engine warm-up. The disclosure further relates to a method for controlling such an engine cooling system. 1. An engine cooling system for a vehicle having an engine , the cooling system comprising:a first coolant circuit for connecting a coolant outlet of the engine to a radiator;a thermostat arrangeable in the first coolant circuit, the thermostat configured to be opened when a predetermined first coolant temperature is reached;a second coolant circuit for connecting the radiator to a coolant inlet of the engine;a coolant pump for circulating coolant through the cooling system;a bypass circuit for connecting the thermostat to the second coolant circuit;at least one parallel circuit comprising a heat exchanger, wherein each parallel circuit is configured to be connected to the second coolant circuit upstream of the bypass circuit;a flow controlling device arrangeable to direct a partial coolant flow from the bypass circuit into the at least one parallel circuit, such that the partial coolant flow is directed from the bypass circuit and upstream through the second coolant circuit into the at least one parallel circuit during engine warm-up.2. The engine cooling system according to wherein at least one parallel circuit comprises a fixed flow or controllable flow throttle valve.3. The ...

RESERVOIR TANK

Provided is a reservoir tank which includes: a tank body that stores cooling fluid; an inflow pipe configured to feed the cooling fluid into the tank body; a discharge pipe configured to discharge the cooling fluid from the tank body; a columnar member erected inside the tank body; and a guide member provided inside the tank body, in which the inflow pipe is connected to the tank body at a position vertically below a liquid level of the cooling fluid stored inside the tank body, the guide member is configured to guide a flow of the cooling fluid flowing from the inflow pipe into the tank body, the flow being guided into a substantially horizontal direction toward the columnar member, the columnar member extends in a substantially vertical direction when viewed along the flow of the cooling fluid toward the columnar member, and a part of the columnar member is disposed on an extension line of the flow of the cooling fluid toward the columnar member. 1. A reservoir tank comprising:a tank body that stores cooling fluid;an inflow pipe configured to feed the cooling fluid into the tank body;a discharge pipe configured to discharge the cooling fluid from the tank body;a columnar member erected inside the tank body; anda guide member provided inside the tank body, whereinthe inflow pipe is connected to the tank body at a position vertically below a liquid level of the cooling fluid stored inside the tank body,the guide member is configured to guide a flow of the cooling fluid flowing from the inflow pipe into the tank body, the flow being guided into a substantially horizontal direction toward the columnar member,the columnar member extends in a substantially vertical direction when viewed along the flow of the cooling fluid toward the columnar member, anda part of the columnar member is disposed on an extension line of the flow of the cooling fluid toward the columnar member.2. The reservoir tank according to claim 1 , comprisinga plurality of the columnar members ...

RESERVOIR TANK

A reservoir tank includes: a tank body in which cooling fluid is stored; an inflow pipe for sending the cooling fluid into the tank body; a discharge pipe for discharging the cooling fluid from the tank body; and a columnar member erected inside the tank body, in which the inflow pipe is connected to the tank body vertically below a liquid level of the cooling fluid stored inside the tank body, the columnar member extends in a substantially vertical direction when viewed along a center line of the inflow pipe, and a part of the columnar member is disposed on an extension line of the center line of the inflow pipe. 1. A reservoir tank comprising:a tank body in which cooling fluid is stored;an inflow pipe for sending the cooling fluid into the tank body;a discharge pipe for discharging the cooling fluid from the tank body; anda columnar member erected inside the tank body, whereinthe inflow pipe is connected to the tank body vertically below a liquid level of the cooling fluid stored inside the tank body,the columnar member extends in a substantially vertical direction when viewed along a center line of the inflow pipe, anda part of the columnar member is disposed on an extension line of the center line of the inflow pipe.2. The reservoir tank according to claim 1 , comprisinga plurality of the columnar members including a first columnar member and a second columnar member, whereinthe plurality of columnar members is arranged so that a flow of the cooling fluid flowing from the inflow pipe into the tank body is divided in a substantially horizontal direction by the first columnar member, and the divided flow of the cooling fluid is further divided in the substantially horizontal direction by the second columnar member.3. The reservoir tank according to claim 1 , wherein a position in which the extension line of the center line of the inflow pipe and the columnar member intersect is vertically below the liquid level of the cooling fluid.4. The reservoir tank according ...

Heat Exchange Systems For Engine-Powered Watercraft and Methods of Using Same

A heat exchange system for use on an engine-powered watercraft includes a liquid cooling system for cooling the engine using a first heat exchanger and a water heating system using a second heat exchanger for heating water. Raw water from an external water source is passed through each heat exchanger. Water used to cool the engine coolant inside the first heat exchanger exits the watercraft. Water heated by the second heat exchanger is passed to either an intake conduit or at least one onboard accessory system for flushing thereof to kill aquatic invasive species. A valve inside the second heat exchanger opens to release heated water when the heated water reaches a temperature of at least 140° F. Heated coolant from the first heat exchanger passes through the second heat exchanger to transfer heat to the water inside the second heat exchanger. 1. An onboard heat exchange system for an engine-powered watercraft , the system comprising:a water intake that draws water from an external water source;an engine cooling system that circulates coolant through a watercraft engine for cooling thereof, the engine cooling system including a first heat exchanger through which coolant and water from the water intake are directed, and in which heat is transferred from the coolant to the water to cool the coolant; anda water heating system having a second heat exchanger coupled to the engine cooling system and through which coolant and water from the water intake are directed, and in which heat is transferred from the coolant to the water to thereby heat the water,wherein the heat exchange system directs heated water from the second heat exchanger to at least one of an intake conduit proximate the water intake and at least one onboard accessory system for flushing thereof to kill aquatic invasive species.2. The system of claim 1 , wherein the watercraft engine is an inboard engine.3. The system of claim 1 , wherein the coolant is contained within a closed loop system.4. The system ...

SADDLE TYPE VEHICLE HAVING WATER COOLED ENGINE

To provide a saddle type vehicle with a water cooled engine allowing simplification of the mounting structure for a thermostat and a check valve. 140302060502120. A saddle type vehicle having a water cooled engine , comprising: a thermostat () provided in a cooling water path () of the water cooled engine (); and a check valve () provided in a secondary air path () supplying secondary air to an exhaust path () of the water cooled engine () ,{'b': 41', '40', '61', '60, 'wherein a case () of the thermostat () and a case () of the check valve () are formed integrally.'}24140616042. The saddle type vehicle having a water cooled engine according to claim 1 , wherein the case () of the thermostat () is formed in a cylindrical configuration; and the case () of the check valve () is integrally connected to a cylindrical side wall () thereof.36270414061604060207062hh. The saddle type vehicle having a water cooled engine according to claim 1 , wherein a through-hole () for a fixation bolt () is provided between the case () of the thermostat () and the case () of the check valve (); and the thermostat () and the check valve () are fixed to the water cooled engine () by a bolt () extending through this through-hole ().46270414061604060207062hh. The saddle type vehicle having a water cooled engine according to claim 2 , wherein a through-hole () for a fixation bolt () is provided between the case () of the thermostat () and the case () of the check valve (); and the thermostat () and the check valve () are fixed to the water cooled engine () by a bolt () extending through this through-hole ().5202223222421232323b. The saddle type vehicle having a water cooled engine according to claim 1 , wherein the water cooled engine () is equipped with a crankcase () arranged below claim 1 , a cylinder () extending upwardly from this crankcase () claim 1 , and an exhaust pipe () which is connected to an exhaust outlet () provided in front of this cylinder () and which extends from the front ...

ADDITIVE MANUFACTURED COMBUSTION ENGINE

Aspects of the present disclosure are presented for a combustion engine design with an optimized amount of materials used to generate the necessary components of the engine. The engine may be generated as a single piece, having no joints, fasteners, or any other areas that could present a risk for damage. The designs are described may also reduce weight of the engine, due to eliminating the need for fasteners and other extraneous hardware. In general, the weight of the engine may be optimized to also preclude the inclusion of extraneous material around needed structures. Also, the engine may be designed to be highly energy efficient, with optimal flows for fuel and other fluid with minimal head loss while maintaining higher pressures. 2. The combustion engine of claim 1 , wherein each of the plurality of coolant channels has at least a portion of cross-sectional area in a shape of a bean.3. The combustion engine of claim 1 , wherein each of the plurality of coolant channels has at least a portion of cross-sectional area in a shape of a trapezoid with rounded corners.4. The combustion engine of claim 1 , wherein each of the plurality of coolant channels has at least a portion of cross-sectional area in a shape defined by satisfying a plurality of boundary conditions defining one or more functional or structural properties of the wall.5. The combustion engine of claim 4 , wherein the plurality of boundary conditions include:at least one thermal condition that the wall must satisfy;at least one structural condition that the wall must satisfy;at least one material property about the wall that the wall must satisfy; andat least one material property of the coolant channels that the plurality of coolant channels must satisfy.6. The combustion engine of claim 4 , wherein:the plurality of boundary conditions is a first plurality of boundary conditions applied to a first location of the coolant channels, andeach of the plurality of coolant channels has at least a portion of ...

RADIATOR FILLER NECK

A radiator filler neck for use with a radiator includes a core between upper and lower tanks and a pressure-valve radiator cap. The filler neck includes a hollow cylindrical body including a side wall between upper and lower openings. The upper opening includes an upper sealing seat for the radiator cap. The lower opening includes an internal sealing seat for the pressure valve of the radiator cap. The body has an interior within the side wall and between the upper and lower openings. An overflow aperture is provided in the interior of the body to permit transfer of overflow from the interior via an overflow passage to a concealed exterior overflow outlet; and the side wall does not include a visible exterior overflow outlet.

AUTOMOTIVE ENGINE COOLANT PIPE REPAIR APPARATUS AND METHOD

A repair kit and associated method for repairing an automotive coolant pipe for fluid-conducting within an engine block of an engine includes at least a repair stent, sealant and instructions for performing the method. The repair stent may be a whole tube, or a hollow semi-cylinder defining a gap. The method includes draining coolant from the engine, removing the water pump from the engine without removing the timing chain cover of the engine, inserting the repair stent including a sealant through the coolant passage, wherein the coolant passage extends through the timing chain cover into the engine, re-assembling the water pump to the engine and adding coolant to the engine. 1. A repair kit for use in repairing an engine by stopping a coolant leak , the repair kit comprising:a repair stent having a substantially cylindrical shape sized to fit within a coolant passage of the engine;a package of coolant pipe repair sealant for affixing the repair stent within the coolant passage; andinstructions for accessing the coolant passage and installing the repair stent within the coolant passage.2. The repair kit of claim 1 , wherein a semi-circular cross section of the repair stent defines a gap that extends along a length of the repair stent such that the repair stent can be compressed in diameter for insertion and extraction.3. The repair kit of claim 1 , wherein a circumference of the repair stent is continuous so that the repair stent has a tubular shape.4. The repair kit of claim 1 , further comprising:a sanding rod for removing a casting mark and cleaning the coolant passage;a cleaning rod for cleaning the coolant passage; anda sponge applicator brush for applying the coolant pipe repair sealant.5. The repair kit of claim 4 , wherein the sponge applicator brush includes markings for determining a depth of applying the coolant pipe repair sealant within the coolant passage.6. The repair kit of claim 1 , wherein the repair stent has a diameter and length sized to fit the ...

FLASH TRAP

A manifold assembly for an automobile cooling system includes a crossover tube and a crossover tube cover welded in an opening of the crossover tube A flash trap is provided adjacent the region of the weld joint to receive and capture weld flash migrating inwardly in the crossover tube. 1. A welded assembly , comprising:a first component having a first weld joint surface;a second component having a second weld joint surface;said first weld joint surface and said second weld joint surface confronting one another in a weld joint region;a weld joint formed in said weld joint region; anda flash trap formed in at least one of said first component and said second component adjacent the weld joint surface thereof.2. The welded assembly of claim 1 , said flash trap being a depression.3. The welded assembly of claim 1 , said flash trap coextending with said weld joint region.4. The welded assembly of claim 3 , the other of said first component and said second component having a surface overlying said depression.5. The welded assembly of claim 4 , said first component and said second component having confronting surfaces adjacent said flash trap on a side of said flash trap opposite from said weld joint region.6. The welded assembly of claim 5 , said flash trap being a depression in said at least one surface.7. The welded assembly of claim 1 , the other of said first component and said second component having a surface overlying said flash trap.8. The welded assembly of claim 1 , said first component and said second component having confronting surfaces adjacent said flash trap on a side of said flash trap opposite from said weld joint region.9. The welded assembly of claim 8 , the other of said first component and said second component having a surface overlying said flash trap.10. The welded assembly of claim 9 , including weld flash in said flash trap.11. The welded assembly of claim 1 , including weld flash in said flash trap.12. A crossover tube assembly for an ...

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 ...

Vehicle front structure

An intercooler is coupled to an internal combustion engine by a first bracket extending from the intercooler. A grommet is fitted into an attachment hole of the first bracket. The grommet is made of synthetic rubber. A material of the grommet has a lower Young's modulus than a material of the first bracket. The first bracket is coupled to a second head cover and a second cylinder head by the grommet, an upper bolt, and a lower bolt.

COOLING JACKET FOR EXHAUST VALVE AND THERMOSTAT AND COOLING BOTTLE

A coolant bottle defines a first chamber and a second chamber fluidly coupled to the first chamber at a valve seat. The first chamber is fluidly coupled to a source of heated engine cooling fluid, while the second chamber is fluidly coupled to an engine water pump. A thermally responsive actuator is disposed within the first chamber, and has a thermally actuated sliding member having a valve seat engaging surface. The thermally actuated sliding member is movable from a first open position to a second closed position when the coolant is above a first temperature. The thermally responsive actuator is disposed within the first chamber. 1. A coolant reservoir bottle configured to be placed within a vehicle cooling system , the coolant reservoir bottle comprising:the coolant bottle defining a first chamber fluidly coupled to a second chamber through an aperture, the aperture having a valve seat, the first chamber being fluidly coupled to a source of heated engine cooling fluid, said second chamber being fluidly coupled to an engine water pump;a thermally responsive actuator disposed within the first chamber having a thermally actuated sliding member with a valve seat engaging surface, the thermally actuated sliding member having first and second intermediate helical springs annularly disposed about the thermally actuated sliding member and being movable from a first open position when the coolant is below a first temperature to a second position where the valve seat engaging surface is disposed against the valve seat when the coolant is above the first temperature.2. The coolant reservoir of further comprising a first member defining a first portion of the first chamber and a first portion of the second chamber.3. The coolant reservoir of further comprising a second member defining a second portion of the first chamber claim 2 , and wherein the thermally responsive actuator has a flange member.4. The coolant reservoir of further comprising a first member defining a first ...

Internal Combustion Engine with Split Cooling System

An internal combustion engine, in particular for a vehicle, is provided. The internal combustion engine has a crankcase, a cylinder head, a coolant feed line, a cooling channel branching line, a first coolant channel which runs at least partly through the cylinder head, and a second coolant channel which runs at least partly through the crankcase. The coolant feed line is connected to the cooling channel branching line to supply coolant. The first and second coolant channels are each connected to the cooling channel branching line to be supplied with coolant from the cooling channel branching line. The cooling channel branching line is equipped with a temperature-sensitive current regulating device which is configured to variably adjust the ratio of the coolant volumetric flow rates that are from the cooling channel branching line into the first and second coolant channels over a range on the basis of the temperature. 1. An internal combustion engine , comprising:a crank casing;a cylinder head;a coolant feedline;a cooling duct branching junction;a first coolant duct which runs at least partially through the cylinder head; anda second coolant duct which runs at least partially through the crank casing, whereinthe coolant feedline is connected to the cooling duct branching junction in order to feed in a coolant,the first coolant duct and the second coolant duct are each connected to the cooling duct branching junction in order to be supplied with the coolant by the cooling duct branching junction, anda flow regulating device is provided at the cooling duct branching junction and is configured to variably set, over a range and as a function of temperature, a ratio of a first coolant volumetric flow from the cooling duct branching junction into the first coolant duct to a second coolant volumetric flow from the cooling duct branching junction into the second coolant duct.2. The internal combustion engine according to claim 1 , whereinthe flow regulating device is ...

Work vehicle

The disclosure provides a work vehicle in which clogging of a filter of an air cleaner with snow can be suppressed. The work vehicle includes: a radiator that cools cooling water for an engine; an air cleaner that cleans air to be fed to the engine; and an inlet hose that has an aspiration port open on a rear side of the radiator and leads the air from the aspiration port to the air cleaner. The radiator includes a shroud having an opening in which a fan of the engine is disposed and the aspiration port is disposed not to overlap with the opening of the shroud in back view.

EBULLIENT COOLING DEVICE

A pressure relief valve 56 is opened from a time tto a time tfor the purpose of reducing the pressure in the gas phase in a gas-liquid separator A WP is driven at a time tand a time t. The time tand time tcorrespond to timings at which a difference ΔT between a boiling temperature Tand an actual temperature Tbecomes equal to or greater than a predetermined temperature T. Since liquid-phase coolant in a catch tank can be fed to a WP by driving the WP the actual temperature Tof the liquid-phase coolant immediately upstream of the WP can be lowered. It is thus possible to prevent intense boiling of the liquid-phase coolant immediately upstream of the WP 1. An ebullient cooling device , comprising:a coolant passage that is formed inside an internal combustion engine;a gas-liquid separator that separates a coolant that is discharged from the coolant passage into a liquid-phase coolant and a gas-phase coolant;a condenser that returns the gas-phase coolant that is separated at the gas-liquid separator to a liquid-phase coolant;a first passage that connects the condenser and the coolant passage;a second passage that branches from the first passage at a location partway along the first passage, and is connected to the gas-liquid separator;a first water pump that is provided between a connection portion that connects the first passage and the second passage, and the coolant passage, and that feeds a liquid-phase coolant from the first passage to the coolant passage during operation of the internal combustion engine;a second water pump that is provided between the connection portion and the condenser;actual temperature measurement means that is provided in the second passage, or in the first passage between the connection portion and the coolant passage, and is used for measuring an actual temperature of a liquid-phase coolant;boiling temperature calculation means for calculating a boiling temperature of a liquid-phase coolant that is fed from the first water pump to the ...

MOTORCYCLE AND SADDLE-RIDDEN TYPE VEHICLE

There is provided a motorcycle. A side stand is disposed at a side-lower portion of an engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface. An inflow piping is configured to supply cooling water delivered from a water pump to a supercharger. An outflow piping is disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump. The outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side. 1. A motorcycle comprising:an engine;a supercharger configured to compress combustion air to be supplied to the engine;a water pump configured to pump cooling water to the engine and the supercharger;a cooling piping configured to flow the cooling water delivered from the water pump; anda side stand disposed at a side-lower portion of the engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface, an inflow piping configured to supply the cooling water delivered from the water pump to the supercharger; and', 'an outflow piping disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump, and, 'wherein the cooling piping compriseswherein the outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side.2. The motorcycle ...

SADDLE-RIDDEN TYPE VEHICLE

There is provided a saddle-ridden type vehicle. A cooling water flow control unit includes a first passage, a second passage, a bypass passage communicating the first and second passages and a thermostat. An engine outlet piping connects a water jacket and the first passage. A radiator inlet piping connects the first passage and a radiator. A radiator outlet piping connects the radiator and the second passage. A water pump inlet piping connects the second passage and a water pump. The water pump is disposed at a side part of a crank case and in front of a crankshaft. The cooling water flow control unit is disposed above a cylinder head cover. The radiator inlet piping, the radiator outlet piping and the water pump inlet piping are disposed between the engine and the radiator. 1. A saddle-ridden type vehicle comprising:an engine in which a cylinder and a cylinder head are provided above a crank case and a cylinder head cover is provided above the cylinder head;a water pump configured to discharge cooling water;a water jacket provided in the engine and configured to cool the engine by the cooling water discharged from the water pump;a radiator disposed in front of the engine and configured to cool the cooling water having cooled the engine;a cooling water flow control unit having a first passage through which the cooling water having cooled the engine flows from the water jacket to the radiator, a second passage through which the cooling water having flowed in the radiator flows from the radiator to the water pump, a bypass passage communicating the first passage and the second passage each other and a thermostat configured to control a flow rate of the cooling water flowing in the radiator;an engine outlet piping connecting an outlet of the water jacket and an inlet of the first passage of the cooling water flow control unit therebetween;a radiator inlet piping connecting an outlet of the first passage of the cooling water flow control unit and an inlet of the ...

COOLANT PASSAGE STRUCTURE FOR INTERNAL COMBUSTION ENGINE

A coolant passage structure for an internal combustion engine includes a coolant communication member. The coolant communication member includes a centrifugal water pump, a housing portion, a scroll portion, a second coolant passage portion, a first coolant passage portion, a direction of a center line of the second coolant passage portion, and a rib. The first coolant passage portion includes a downstream region connected to an upstream region of the second coolant passage portion. A direction of a center line of the first coolant passage portion is parallel to a direction of a rotation shaft of the centrifugal water pump. The direction of the center line of the second coolant passage portion is orthogonal to the direction of the center line of the first coolant passage portion. The rib is disposed on an internal circumferential surface of the first coolant passage portion. 1. A coolant passage structure for an internal combustion engine , the coolant passage structure enabling coolant to be supplied to a coolant passage in the internal combustion engine , the coolant passage structure comprising:a coolant communication member accommodating a centrifugal water pump and being attached to the internal combustion engine,wherein the coolant communication member includes a housing portion, a scroll portion, a first coolant passage portion, and a second coolant passage portion,the housing portion accommodates an impeller of the centrifugal water pump,the scroll portion links to the housing portion and includes a downstream region connected to the first coolant passage portion, the first coolant passage portion is positioned above the downstream region of the scroll portion,the first coolant passage portion includes a downstream region connected to an upstream region of the second coolant passage portion, the second coolant passage portion is cylindrical,the second coolant passage portion includes a downstream region connected to the coolant passage in the internal ...

ENGINE COOLING STRUCTURE

Provided is an engine cooling structure for an engine where the engine is cooled by a cooling fluid supplied from a radiator, and the cooling fluid discharged from the engine is cooled by the radiator. The cooling structure includes: an inlet hose having one end coupled to the engine, and having the other end coupled to the radiator, the inlet hose including two or more hose members, and a connecting pipe configured to connect the two or more hose members, to each other; and a clamp including a pipe-side connection portion connected to the connecting pipe, and an engine-side connection portion directly or indirectly connected to the engine. The clamp has a gap between the clamp and the connecting pipe, and the gap functions as a transmission suppressing portion which suppresses transmission of vibrations from the engine-side connection portion to the connecting pipe. 1. An engine cooling structure where an engine is cooled by a cooling fluid supplied from a radiator , and the cooling fluid discharged from the engine is cooled by the radiator , the engine cooling structure comprising:a radiator hose having one end coupled to the engine, and having the other end coupled to the radiator, the radiator hose including two or more hose members and a connecting pipe configured to connect the two or more hose members to each other; anda clamp including a pipe-side connection portion connected to the connecting pipe, and an engine-side connection portion directly or indirectly connected to the engine, whereina transmission suppressing portion configured to suppress transmission of vibrations of the engine-side connection portion to the connecting pipe is provided between the engine-side connection portion and the connecting pipe.2. The engine cooling structure according to claim 1 , whereinthe transmission suppressing portion is formed of a gap provided between the pipe-side connection portion and the connecting pipe.3. The engine cooling structure according to claim 2 , ...

COOLING STRUCTURE FOR ROTARY ELECTRIC MACHINE

A cooling structure for a rotary electric machine includes a first supply pipe that is disposed vertically above a rotary electric machine and that has a discharge hole through which a refrigerant is discharged toward the rotary electric machine; a second supply pipe that is disposed in parallel with the first supply pipe vertically above the rotary electric machine and that has a discharge hole through which the refrigerant is discharged toward the rotary electric machine; and a pump configured to deliver the refrigerant to the first supply pipe and the second supply pipe such that a direction of the refrigerant flowing through the first supply pipe and a direction of the refrigerant flowing through the second supply pipe are opposite to each other. 1. A cooling structure for a rotary electric machine , the cooling structure comprising:a first supply pipe that is disposed vertically above a rotary electric machine and that has a discharge hole through which a refrigerant is discharged toward the rotary electric machine;a second supply pipe that is disposed in parallel with the first supply pipe vertically above the rotary electric machine and that has a discharge hole through which the refrigerant is discharged toward the rotary electric machine; anda pump configured to deliver the refrigerant to the first supply pipe and the second supply pipe such that a direction of the refrigerant flowing through the first supply pipe and a direction of the refrigerant flowing through the second supply pipe are opposite to each other.2. The cooling structure according to claim 1 , wherein the pump includesa first pump that delivers the refrigerant to the first supply pipe, anda second pump that delivers the refrigerant to the second supply pipe.3. The cooling structure according to claim 2 , wherein:the first pump is a mechanical oil pump; andthe second pump is an electric oil pump. The disclosure of Japanese Patent Application No. 2017-198777 filed on Oct. 12, 2017 including ...

VALVE DEVICE

A valve device include a drive device cover that is placed outside a housing. The drive device cover receives a drive device of a valve and a rotational angle sensor. The drive device cover has a cover main body and a connector. The connector electrically connects the drive device and the rotational angle sensor to at least one external device. The connector is placed on one side of the cover main body where a pipe member is placed relative to the housing in a perpendicular direction that is perpendicular to an axial direction, and the connector projects from the cover main body on the one side of the cover main body. 1. A valve device configured to adjust a flow rate of coolant for an internal combustion engine , comprising: an inside space, which is formed at an inside of the housing;', 'a flow inlet, which is configured to conduct the coolant into the inside space; and', 'a plurality of flow outlets, which are configured to discharge the coolant from the inside space;, 'a housing that has a valve element that is configured to adjust a flow rate of the coolant outputted from each of the plurality of flow outlets; and', 'a rotatable shaft that is configured to rotate the valve element;, 'a valve that is placed in the inside space and hasa pipe member that is installed to the housing at a location, which is on one side of the housing in a perpendicular direction that is perpendicular to an axial direction of the rotatable shaft, wherein the pipe member has a plurality of pipes, each of which forms a flow passage that is communicated with a corresponding one of the plurality of flow outlets;a drive device that is configured to rotate the rotatable shaft and is placed outside the housing at a location, which is on one side of the housing in the axial direction;a sensor that is configured to detect a rotational angle of the rotatable shaft and is placed outside the housing at the location that is on the one side of the housing in the axial direction; anda drive device ...

ENGINE SYSTEM HAVING COOLANT CONTROL VALVE

An engine system having a coolant control valve may include a cylinder head including an intake side head coolant jacket for cooling an intake side thereof and an exhaust side head coolant jacket for cooling an exhaust side thereof formed in the cylinder head, a cylinder block arranged on a lower side of the cylinder head and having an intake side block coolant jacket for cooling an intake side of the cylinder block and an exhaust side block coolant jacket for cooling an exhaust side cylinder block formed therein, and a coolant control valve arranged for independently controlling coolant flowing through the intake side head coolant jacket, the exhaust side head coolant jacket, the intake side block coolant jacket and the exhaust side block coolant jacket. 1. An engine system having a coolant control valve , the engine system comprising:a cylinder head including an intake side head coolant jacket for cooling an intake side thereof and an exhaust side head coolant jacket for cooling an exhaust side thereof formed in the cylinder head;a cylinder block arranged on a lower side of the cylinder head and having an intake side block coolant jacket for cooling an intake side of the cylinder block and an exhaust side block coolant jacket for cooling an exhaust side cylinder block formed therein; anda coolant control valve arranged for independently controlling coolant flowing through the intake side head coolant jacket, the exhaust side head coolant jacket, the intake side block coolant jacket and the exhaust side block coolant jacket.2. The engine system of claim 1 , further comprising:a coolant pump for pumping the coolant to flow through the cylinder head and the cylinder block,wherein the coolant pump is arranged on an inlet side through which the coolant is introduced into the cylinder head and the cylinder block, andwherein the coolant control valve is arranged on an outlet side through which the coolant is discharged from the cylinder head and the cylinder block.3. The ...

Water Neck For LS Engines

An apparatus and a method are provided for a water neck for use with a water pump to circulate a coolant from a radiator to an LS engine. The water neck comprises a conduit which includes an interior opening to convey the coolant by way of a water hose to the radiator. The conduit includes a cylindrical section having a smooth exterior surface and a circumferential edge that are configured to receive the water hose. A base is configured to be coupled with the water pump, such that the coolant is conveyed from the water pump through the water neck. A supportive section interconnects the conduit and the base, and orients the conduit relative to the base so as to direct the conduit and the water hose away from the LS engine and a belted pulley assembly of the LS engine. 1. A water neck for use with a water pump for circulating a coolant between a radiator and an LS engine , comprising:a base configured to be coupled with the water pump;a conduit comprising an interior opening and configured to be coupled with a water hose extending from the radiator; anda supportive section interconnecting the conduit and the base.2. The water neck of claim 1 , wherein the water neck is comprised of a rigid material that is sufficiently durable and temperature resistant to retain its configuration during circulating the coolant between the radiator and the LS engine.3. The water neck of claim 1 , wherein the conduit comprises an elongate claim 1 , cylindrical section having a smooth exterior surface and a circumferential edge that are configured to establish a fluid-tight coupling with the water hose.4. The water neck of claim 3 , wherein the cylindrical section comprises an outer diameter such that the conduit may be slidably inserted into an interior of the water hose.5. The water neck of claim 4 , wherein the water hose is configured to be fastened onto the cylindrical section by way of any of a wide variety of suitable mechanical fasteners.6. The water neck of claim 3 , wherein the ...

MOTOR VEHICLE WITH LIQUID CONTAINER

A motor vehicle includes a liquid container for receiving an operating liquid, a cooling circuit for cooling a drive motor of the motor vehicle via a cooling liquid circulating in the cooling circuit, at least one heating coil arranged in the liquid container, the heating coil being operatively attached to the cooling circuit so that the cooling liquid is to flow through the heating coil and thereby heat the operating liquid, and a connection line operatively attached to the cooling circuit to thereby form a secondary circuit through which the cooling liquid is to flow, wherein the heating coil is arranged in the secondary circuit. 1. A motor vehicle , comprising:a liquid container for receiving an operating liquid;a cooling circuit for cooling a drive motor of the motor vehicle via a cooling liquid circulating in the cooling circuit;at least one heating coil arranged in the liquid container, the heating coil being operatively attached to the cooling circuit so that the cooling liquid is to flow through the heating coil and thereby heat the operating liquid; anda connection line operatively attached to the cooling circuit to thereby form a secondary circuit through which the cooling liquid is to flow, wherein the heating coil is arranged in the secondary circuit.2. The motor vehicle of claim 1 , wherein the connection line is arranged in the liquid container.3. The motor vehicle of claim 1 , wherein the connection line is arranged outside of the liquid container.4. The motor vehicle of claim 1 , further comprising a pump claim 1 , arranged in the connection line claim 1 , to circulate the cooling liquid within the secondary circuit.5. The motor vehicle of claim 4 , wherein the pump is arranged in the liquid container or that the pump is arranged outside the liquid container in the vicinity of the liquid container.6. The motor vehicle of claim 4 , wherein the pump is arranged outside of the liquid container.7. The motor vehicle of claim 1 , further comprising at ...

Cooling fan using surface cooling effect for rotating fan blade part

The present invention relates to a cooling fan including a cooling device that directly transfers heat from a heat source to a rotating fan blade and implements direct cooling by a convective contact between a surface of a rotating fan blade and air in the atmosphere, without fixed heat dissipating fins. The present invention relates to a cooling fan using a surface cooling effect for a rotating fan blade part, including: a heat source part; a heat dissipating plate part installed on the heat source part; a coolant circulating pipe part for moving a coolant in a heat dissipating plate when the heat dissipating plate part uses the coolant to dissipate heat; a rotating fan blade part configured at a position at which the coolant flows in order to forcibly cool the coolant; and a driving part for rotating the rotating fan blade part.

SHUNT TANK ASSEMBLY

A shunt tank assembly for a cooling system is provided. The shunt tank assembly includes a vent tube, a shunt tank, and an inlet port provided on the shunt tank. The inlet port is in fluid communication with the vent tube. The shunt tank assembly also includes an insert disposed in the inlet port. The shunt tank assembly further includes a drop tube. The drop tube includes a plug portion having a first length and received within the insert. The drop tube includes a transition portion tapered with respect to the plug portion. The drop tube includes a tube portion extending from the transition portion and terminating with a chamfered end. The tube portion has a second length greater than the first length of the plug portion. The tube portion is bent such that the chamfered end is disposed below an average coolant level of the shunt tank. 1. A drop tube for a shunt tank , the drop tube defining a channel along a central axis therethrough , the drop tube comprising:a plug portion having a first length;a flange provided at a first end of the plug portion;a transition portion provided at a second end of the plug portion, the transition portion is tapered with respect to the plug portion; anda tube portion extending from the transition portion and terminating with a chamfered end, the tube portion has a second length greater than the first length of the plug portion, the tube portion is made of elastomeric material configured to bend without kinking.2. The drop tube of claim 1 , wherein a ratio of the first length of the plug portion and the second length of the tube portion is at least 1:6.3. The drop tube of claim 1 , wherein the chamfered end is inclined with respect to the central axis of the channel at an angle defined between 45 degrees to 60 degrees.4. The drop tube of claim 1 , wherein the plug portion has a first outer diameter.5. The drop tube of claim 4 , wherein the tube portion has a second outer diameter less than the first outer diameter of the plug portion. ...

ENGINE DAMPER COOLING UTILIZING CAB A/C CIRCUIT

In one embodiment, a method for cooling an engine damper, including converting a gas to a liquid, and cooling an engine damper by passing the liquid through a tube portion located between fan air flow and the engine damper. 1. A system , comprising:an engine damper;a temperature control system comprising at least one fan and plural hoses that enable closed loop fluid flow, wherein at least a portion of a first hose of the plural hoses is proximal to an outward face of the engine damper and disposed between the at least one fan and the engine damper.2. The system of claim 1 , further comprising a condenser claim 1 , wherein the first hose is coupled between an outlet of the condenser and an inlet to an evaporator.3. The system of claim 2 , wherein the first hose is coupled to one or both of the condenser and the evaporator via an intermediate hose or intermediate hoses claim 2 , respectively.4. The system of claim 3 , wherein the first hose comprises a first material and the intermediate hose or hoses comprises a second material that is of a different material than the first material.5. The system of claim 1 , further comprising a pulley adjacent to the engine damper claim 1 , wherein the pulley is located between the at least one fan and the at least the portion.6. The system of claim 1 , wherein the first hose is comprised of a metal material.7. The system of claim 1 , wherein the first hose comprises one or more heat exchange structures.8. The system of claim 7 , wherein the one or more heat exchange structures comprise one or more fins.9. The system of claim 1 , wherein the at least the portion is arranged substantially concentric to the outward face of the engine damper.10. The system of claim 1 , wherein the temperature control system comprises plural fans.11. A system claim 1 , comprising:an engine damper;a temperature control system comprising at least one fan and plural hoses that enable closed loop fluid flow, the plural hoses comprising a bypass hose and a ...

Engine cooling apparatus

An engine cooling apparatus configured to circulate cooling water between an engine and a radiator is provided. A cylinder is provided on an upper part of a crankcase in the engine and the radiator is configured to radiate heat of the cooling water that has passed through the engine. The engine cooling apparatus includes a water pump configured to eject cooling water toward the engine, and a thermostat configured to send cooling water to the radiator in response to a cooling water temperature. The water pump is attached to the crankcase from an outside in a vehicle width direction. The thermostat is attached to the water pump from an inside in the vehicle width direction. The thermostat overlaps the crankcase in a front view of the engine.

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. ...

Apparatus for circulating coolant in turbocharger

An apparatus circulates a coolant in a turbocharger, which includes a first coolant line for supplying the coolant to the turbocharger from a water pump and configured to form a first flow resistance member to increase flow resistance to the coolant flowing through the first coolant line.

Engine coolant pump apparatus with threaded connections

Described is an apparatus for circulating coolant in the combustion engine of a motor vehicle. This apparatus utilizes a twin volute pump to evenly distribute coolant across an engine block. The pump uses threaded connectors, which allows braided metal hoses to be connected to the pump as opposed to the traditional rubber hoses. This prevents leaks and allows for greater coolant flow and more efficient engine cooling.

ARRANGEMENT OF EXCHANGERS FOR MARINIZATION OF A MARINE ENGINE

An arrangement of exchangers for marinization of a marine engine, including an engine block with in-line cylinders or cylinders in a V, cooled by a cooling fluid, at least one turbocompressor with a hot chamber connected to an outlet and a cold chamber connected to the cylinders of the engine block, a reverser including a housing and containing oil, wherein the arrangement includes: 1. An arrangement of exchangers for marinization of a marine engine that has an engine block arranged so that a longitudinal length of the engine block extends between opposing front and rear ends of the engine block and with cylinders arranged in a V configuration , the cylinders cooled by a first cooling fluid , the engine equipped with a turbocompressor that includes a hot chamber connected to an exhaust outlet for allowing combustion gases to exit the engine and a cold chamber connected to the cylinders of the engine block , and a reverser that includes a reverser housing and contains oil , the arrangement comprising:a first radiator hose for supplying a second cooling fluid;a turbocompressor exchanger;an engine exchanger;a reverser exchanger; anda second radiator hose that discharges the second cooling fluid toward the exhaust outlet, downstream from the hot chamber of the turbocompressor,the turbocompressor, engine and reverser exchangers being placed in order of the turbocompressor exchanger, and then the engine exchanger then the reverser exchanger, and arranged in a direction of circulation of the second cooling fluid between the first radiator hose for supplying the second cooling fluid and the second radiator hose for discharging the second cooling fluid,{'b': 20', '1', '20', '2', '20', '3', '120', '120', '1', '10', '120', '1', '10', '120', '2', '110', '120', '3', '10', '10, 'and the turbocompressor (-), engine (-) and reverser (-) exchangers are arranged as an exchanger line (), with the turbocompressor and the turbocompressor exchanger (-) located at the rear end of the ...

Reservoir tank for vehicle

A reservoir tank includes a tank portion having a cover coupled to an upper portion thereof, and having coolants with different temperatures supplied thereto, a heat exchange reduction portion partitioning an internal space of the tank portion into a first accommodation space and a second accommodation space, and having the first accommodation space and the second accommodation space formed to be spaced from each other, and a discharge portion formed in the heat exchange reduction portion and formed to allow coolant flowing into the heat exchange reduction portion to be discharged back to the first accommodation space and the second accommodation space, respectively.

FLARED-END AUTOMOTIVE ENGINE COOLANT PIPE REPAIR STENT AND METHOD FOR REPAIRING AN ENGINE

A repair kit and associated method for repairing an automotive coolant pipe for fluid-conducting within an engine block of an engine includes at least a repair stent with a flared end, sealant and instructions for performing the method. The method includes draining coolant from the engine, removing the water pump from the engine without removing the timing chain cover of the engine, inserting the repair stent including a sealant through the coolant passage, wherein the coolant passage extends through the timing chain cover into the engine, re-assembling the water pump to the engine and adding coolant to the engine. 1. A repair kit for use in repairing an engine by stopping a coolant leak , the repair kit comprising:a repair stent having a cylindrical portion sized to fit within a coolant passage of the engine and a first flared portion contiguous at a first end thereof with a first end of the cylindrical portion and sized to expand within a first expansion of the coolant passage at a second end thereof; anda package of coolant pipe repair sealant for affixing the repair stent within the coolant passage.2. The repair kit of claim 1 , wherein the repair stent is formed from a flexible material so that the first flared portion can be compressed by hand and extended through the coolant passage to expand within the expansion of the coolant passage at the first end of the coolant passage.3. The repair kit of claim 2 , wherein the repair stent has a second flared portion contiguous with the cylindrical portion at an end of the cylindrical portion.4. The repair kit of claim 1 , wherein the repair stent is a rigid metal repair stent claim 1 , wherein the first flared portion is machined or cast to conform to a shape of a second expansion of the coolant passage at a second end thereof.5. The repair kit of claim 1 , wherein the first flared portion has a first partial cylindrical profile that extends a profile of the cylindrical portion along a portion of a length of the first ...

AUTOMOTIVE ENGINE COOLANT PIPE REPAIR APPARATUS AND METHOD

A method and apparatus of repairing an automotive coolant pipe for fluid-conducting within an engine block of an engine, comprising a repair insert tube coated with a sealant, having a proximal proportion configuration for at least partially sealing an internal sealing ring or gasket, whereby the insertion of the repair insert tube coated with sealant will at least partially seal a leaking sealing ring or gasket within the engine block of the effected automobile. 1draining the coolant from the engine block;removing parts to access the inside of the coolant transfer pipe;installing a repair tube insert, with a component creating a seal, inside of the coolant transfer pipe; andre-assembling the engine and adding coolant.. A method of repairing and stopping the leakage of coolant at the front seal in a coolant transfer pipe in the engine block of a vehicle, said method comprising the steps of: The present Application is related to Provisional Patent Application entitled “Automotive engine coolant pipe repair apparatus and method,” filed 15 Oct. 2013 and assigned filing No. 61/891,113, incorporated herein by reference in its entirety.The present invention relates to automotive repair methods and components, and, more particularly, to a method of repairing an automotive engine cooling pipe leaking within an engine block.An automotive engine cooling system plays a critical role for the continued optimum performance of the automobile engine. During the operation of an automobile, the combustion process causes a tremendous increase in the engine temperature. If not dissipated expeditiously and effectively, the excessive heat can severely damage the engine. Temperatures in the combustion chamber of the engine can reach 4,500° F. (2,500° C.). If the engine goes without cooling for very long, it can seize. When this happens, the metal would actually have gotten hot enough for the piston to weld itself to the cylinder. This usually means the complete destruction of the engine. ...

METHOD FOR INITIAL FILLING OF COOLING CIRCUITS AND VEHICLE

A method for first filling of cooling circuits of a motor vehicle. During a filling sequence, the cooling circuits are connected via at least one fluid-conductive connection established therebetween, and are filled simultaneously by via the fluid-conductive connection. The fluid-conductive connection is permanently closed after the filling sequence. 1. A method for first filling of cooling circuits of a motor vehicle with at least two cooling circuits , the method comprising:connecting, during a filling sequence, the at least two cooling circuits via at least one fluid-conductive connection established between the at least two cooling circuits;simultaneously filling the at least two cooling circuits via the at least one fluid-conductive connection; andpermanently closing the fluid-conductive connection after the filling sequence.2. The method of claim 1 , wherein after filling claim 1 , the fluid-conductive connection is permanently closed by closure of one or more shut-off valves.3. The method of claim 1 , wherein:the connecting is conducted through a connecting line; andafter filling, the connecting line remains in or is removed from the motor vehicle.4. The method of claim 1 , wherein:the connecting is conducted through a connecting line; andreturn lines of the at least two cooling circuits are connected together via the connecting line.5. The method of claim 1 , wherein:the connecting is conducted through a connecting line; andheat exchangers of the at least two cooling circuits are connected together via the connecting line.6. The method of claim 1 , wherein:the connecting is conducted through a connecting line; andthe connecting line has a length that is less than 15 cm, and remains in the motor vehicle after the filling sequence.7. The method of claim 1 , wherein:the connecting is conducted through a connecting line; andthe connecting line has a length that is greater than 15 cm and is removed from the motor vehicle after the filling sequence.8. A motor ...

COOLING SYSTEM FOR VEHICLE

A cooling system for a vehicle includes: an engine cooling circuit circulating a coolant to an engine mounted in the vehicle; an electronics cooling circuit circulating the coolant to an electrical equipment and a motor mounted in the vehicle; a reservoir tank connected to the engine and the motor and respectively compensating the coolant to the engine cooling circuit and the electronics cooling circuit; and a control valve connected to a first connection pipe connected to the reservoir tank and selectively connected to the engine cooling circuit and the electronics cooling circuit depending on a temperature change of the coolant during a cold driving mode or a warm driving mode of the vehicle to control a flow of the coolant. 1. A cooling system for a vehicle , comprising:an engine cooling circuit circulating a coolant to an engine mounted in the vehicle;an electronics cooling circuit circulating the coolant to an electrical equipment and a motor mounted in the vehicle;a reservoir tank connected to the engine and the motor and respectively compensating the coolant to the engine cooling circuit and the electronics cooling circuit; anda control valve connected to a first connection pipe connected to the reservoir tank and selectively connected to the engine cooling circuit and the electronics cooling circuit depending on a temperature change of the coolant during a cold driving mode or a warm driving mode of the vehicle to control a flow of the coolant.2. The cooling system for the vehicle of claim 1 , wherein the engine cooling circuit includes:an engine radiator connected to the engine through a first pipe and cooling the coolant through a heat exchange with an external air;a thermostat connected to the engine radiator through the first pipe; anda first water pump provided on the first pipe between the thermostat and the engine.3. The cooling system for the vehicle of claim 2 , wherein:a heater respectively connected to the first pipe is provided between the engine ...

Vehicle cooling device

A vehicle cooling device includes: at least one of a radiator and a condenser; a fan cover including a fan configured to cool the at least one of the radiator and the condenser, the radiator, the condenser and the fan cover being positively charged; a connecting part that connects the at least one of the radiator and the condenser and the fan cover with each other; and a self-discharge static eliminator that is installed on a non-conductive wall surface of the connecting part, and is configured to decrease an electric charge amount of a part of the non-conductive wall surface within a limited range, centered on a location where the self-discharge static eliminator is installed, static elimination of the at least one of the radiator and the condenser being performed by the self-discharge static eliminator.

METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL

Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on echo times of an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Sensor output is compensated with a term based on vehicle motion parameters to compensate for fluid level distortion due to motion-induced slosh. 1. A method for a vehicle , comprising:adjusting an estimate of fluid level in a vertical, hollow standpipe fluidically coupled to a coolant overflow reservoir based on vehicle motion; andadjusting an actuator in response to the fluid level estimate.2. The method of claim 1 , wherein the coolant overflow container has an internal recess to hold fluid claim 1 , wherein the vertical standpipe is positioned external to the container and includes an internal recess to hold fluid claim 1 , a bottom-most level of the recess positioned vertically below a bottom-most level of the internal recess of the container; and wherein a sensor is coupled to the bottom-most level of the internal recess of the tube.3. The method of claim 2 , wherein the estimate of fluid level in the vertical standpipe is based on an output of the sensor claim 2 , the sensor being an ultrasonic sensor coupled to a temperature sensor and a processor in the internal recess.4. The method of claim 3 , wherein the expected slosh estimated based on vehicle motion includes estimating the expected slosh based on each of vehicle longitudinal and latitudinal acceleration.5. The method of claim 4 , wherein the expected slosh is further estimated based on vehicle altitude.6. The method of claim 5 , wherein the expected slosh estimate is clipped based on a height of the vertical standpipe.7. The method ...

METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL

Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on echo times of an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Engine power is limited differently based on distinct coolant level states determined based on a change in level of coolant in the reservoir over a duration. 1. A method , comprising:estimating fluid level in a coolant reservoir based on a sensor coupled in a vertical standpipe aligned parallel to the reservoir, the standpipe fluidically coupled to the reservoir at each of a top and bottom location; andlimiting engine power based on the estimated fluid level.2. The method of claim 1 , wherein limiting based on the estimated fluid level includes limiting based on the estimated level relative to each of a first claim 1 , upper threshold and a second claim 1 , lower threshold.3. The method of claim 2 , wherein the limiting includes claim 2 , limiting by a first amount when the estimated fluid level is below the first threshold and above the second threshold; and limiting by a second claim 2 , different amount when the estimated fluid level is below each of the first and second threshold.4. The method of claim 3 , when the second amount is larger than the first amount claim 3 , and wherein the second amount if adjusted based on a duration for which the estimated fluid level remains below the second threshold.5. The method of claim 4 , further comprising claim 4 , indicating degradation based on the estimated fluid level.6. The method of claim 5 , wherein the indicating includes setting a first diagnostic code when the estimated fluid level is above the first threshold claim 5 , setting a second ...

METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL

Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on output from an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Sensor power usage is optimized based on the ratio of first order and higher order harmonic echo times in the raw data set generated by the sensor. 1. A method , comprising:periodically transmitting a sensor signal from a bottom to a top of a vertical, hollow tube fluidically coupled to the reservoir at each of the bottom and the top;receiving an echo of the transmitted signal; andadjusting a power of the periodically transmitted signals based on an average energy of the received echoes.2. The method of claim 1 , wherein the reservoir is a pressurized reservoir of an engine coolant system claim 1 , and wherein the adjusting includes increasing the power of the periodically transmitted signal in response to the average energy being lower than a threshold.3. The method of claim 1 , wherein the adjusting includes increasing the power of the periodically transmitted signal in response to a first order processing of the average energy being lower than a first threshold and a second order processing of the average energy being lower than a second threshold.4. The method of claim 3 , wherein the first and second threshold are based on first and second fixed minimum values.5. The method of claim 1 , further comprising claim 1 , estimating a state of fluid level in the coolant reservoir based on the average duration between the transmitting and receiving of the sensor signal.6. The method of claim 5 , further comprising claim 5 , limiting an engine power based on the estimated state.7. The method of claim 5 ...

COOLING STRUCTURE OF WATER-COOLED ENGINE

A cooling structure of a water-cooled engine includes: a plurality of cylinders arranged in a cylinder block ; and a water jacket W formed around the plurality of cylinders . The water jacket W includes a pair of main flow paths formed in a state of extending in a cylinder arrangement direction outside the cylinders, and inter-bore flow paths formed between adjacent cylinders in a state of connecting the pair of main flow paths . Guide walls , capable of guiding the cooling water flowing in the main flow paths to the inter-bore flow paths , are formed in the cylinder block 1. A cooling structure of a water-cooled engine , comprising:a plurality of cylinders arranged in a cylinder block; anda water jacket formed around the plurality of cylinders,whereinthe water jacket includes a pair of main flow paths formed in a state of extending in a cylinder arrangement direction outside the cylinders, and inter-bore flow paths formed between adjacent cylinders in a state of connecting the pair of main flow paths, andguide walls, capable of guiding the cooling water flowing in the main flow paths to the inter-bore flow paths, are formed in the cylinder block.2. The cooling structure of the water-cooled engine according to claim 1 , wherein the guide walls corresponding to the inter-bore flow paths claim 1 , adjacent to each other in the cylinder arrangement direction claim 1 , are formed in a state of guiding the cooling water to the inter-bore flow paths in opposite directions to each other.3. The cooling structure of the water-cooled engine according to claim 1 , wherein the guide walls corresponding to the inter-bore flow paths claim 1 , adjacent to each other in the cylinder arrangement direction claim 1 , are formed in a state of guiding the cooling water to the inter-bore flow paths in the same direction with each other.4. The cooling structure of the water-cooled engine according to claim 1 , wherein the guide walls are formed in a cylinder outer frame portion that ...

Thermostat for Controlling Coolant Circuit

A thermostat for controlling a coolant circuit comprising: a housing assembly defining an internal cavity and first and second inlets for establishing fluid communication between the internal cavity and the coolant circuit; a wax pack arranged in the internal cavity, the wax pack comprising a push bar and a wax pack body; a blocking frame configured to be driven by the wax pack body to open/close the first inlet; and a main valve block configured to be driven by the wax pack body and/or the blocking frame to open/close the second inlet; wherein the wax pack body comprises: a casing in which wax is filled; a rubber hose having a cylindrical body inserted in the casing; and a cover having a clamping portion clamped onto the casing to seal the rubber hose between the casing and the cover. 1. A thermostat for controlling a coolant circuit comprising:a housing assembly defining an internal cavity therein and first and second inlets for establishing fluid communication between the internal cavity and the coolant circuit;a wax pack arranged in the internal cavity, the wax pack comprising a push bar fixed in the housing assembly and a wax pack body movable by the push bar;a blocking frame configured to be driven by the wax pack body to open/close the first inlet; anda main valve block configured to be driven by the wax pack body and/or the blocking frame to open/close the second inlet;wherein the wax pack body comprises:a casing in which wax is filled;a rubber hose having a cylindrical body inserted in the casing; anda cover having a clamping portion that is clamped onto the casing to seal the rubber hose between the casing and the cover.2. The thermostat of claim 1 , wherein the casing comprises a cylindrical wall and a casing flange extending from one end of the cylindrical wall claim 1 , the clamping portion of the cover being crimped onto the casing flange.3. The thermostat of claim 2 , wherein a rubber hose flange is formed on one end of the cylindrical body of the ...

Engine warming system

A system for warming the engine of a water-cooled vehicle by exchanging coolant with a warm vehicle or a storage tank of warmed coolant. The system utilizes a fitting that, in one position, allows for normal function of the cooling system of a vehicle, and in another position the fitting allows for fluid exchange with an outside source, such as another vehicle. The outside source can be a second vehicle equipped with a fitting or a standalone heater. Fluid transfer hoses are connected to each fitting to exchange coolant between vehicles.

AUTOMOTIVE ELECTRONIC SENSOR ASSEMBLY TEMPERATURE REGULATION SYSTEM

An automotive electronic sensor assembly includes a light source configured to generate light into a field of view. A detector is configured to receive light reflected off an object in the field of view. The assembly also includes a temperature regulation system. The temperature regulation system includes a thermoelectric cooler coupled to the automotive electronic sensor assembly and a heat exchanger coupled to the thermoelectric cooler and including a passage for accommodating fluid from a cooling system of a vehicle. 1. A temperature regulation system for an automotive electronic sensor assembly , said system comprising:a thermoelectric cooler coupled to the automotive electronic sensor assembly;a heat exchanger coupled to said thermoelectric cooler, said heat exchanger including a passage for accommodating fluid from a cooling system of a vehicle.2. The temperature regulation system as set forth in claim 1 , wherein said thermoelectric cooler includes:a first side coupled to the automotive electronic sensor assembly;a second side; anda plurality of semiconductors disposed between said sides.3. The temperature regulation system as set forth in claim 2 , wherein said heat exchanger is coupled to said second side of said thermoelectric cooler.4. The temperature regulation system as set forth in wherein the cooling system is the cooling system of an internal combustion engine claim 3 , and said heat exchanger includes:an inlet port for receiving fluid from the cooling system of the internal combustion engine; andan outlet port for returning fluid to the cooling system of the internal combustion engine.5. The temperature regulation system as set forth in wherein said semiconductors comprises a plurality of p-type semiconductors and n-type semiconductors disposed in an alternating manner.6. An automotive electronic sensor assembly claim 2 , comprising:a light source configured to generate light into a field of view;a detector configured to receive light reflected off ...

MULTI-FUEL ENGINE SYSTEM

Various methods and systems are provided for an intake manifold for an engine. In one example, the intake manifold comprises a first passage for supplying intake air to a plurality of cylinders of the engine and a second passage for supplying gaseous fuel to the plurality of cylinders. 2. The intake manifold of claim 1 , further comprising at least one gas admission valve mounted to the second passage configured to control a flow rate of the gaseous fuel to the at least one of the plurality of cylinders.3. The intake manifold of claim 2 , wherein the engine comprises a plurality of cylinder heads claim 2 , each cylinder head defining a respective cylinder of the plurality of cylinders claim 2 , and wherein the intake manifold further comprises at least one gas runner coupling the at least one gas admission valve to at least one cylinder head claim 2 , and thereby to allow a flow of the gaseous fuel from the second passage to the cylinder of the respective at least one cylinder head.4. The intake manifold of claim 3 , wherein the gas runner is one of a plurality of gas runners and the cylinder head is one of a plurality of cylinder heads configured to couple to a respective one of the gas runners claim 3 , and each gas runner defines a respective channel of the intake manifold.5. The intake manifold of claim 3 , wherein the first passage of the intake manifold comprises at least one intake air port claim 3 , and at least one cylinder head is coupled to the intake air port claim 3 , and the intake manifold is configured to supply intake air to the cylinder through the intake air port.6. The intake manifold of claim 5 , wherein each gas runner comprises a first end coupled to the second passage and a second end fluidically coupled to a respective one of the intake air ports via a passageway claim 5 , each intake air port further comprising a mixing region where the intake air and gaseous fuel mix before being directed to a respective cylinder head.7. The intake ...

MULTI-FUEL ENGINE SYSTEM

Various methods and systems are provided for an intake manifold for an engine. In one example, an insert comprises an annular body having a top surface, bottom surface, inner surface, and outer surface. The insert further comprises a first groove for coupling an intake air port of an intake manifold to a cylinder head, a second groove for circulating gaseous fuel received from a gas runner of the intake manifold, and one or more openings to fluidically couple the second groove to an interior of the intake air port. The insert is configured to mix gaseous fuel and intake air at a coupling location between the intake manifold and the cylinder head. 1. An insert , comprising:an annular body having a top surface, bottom surface, inner surface, and outer surface;a first groove for coupling an intake air port of an intake manifold to a cylinder head;a second groove for circulating gaseous fuel received from a gas runner of the intake manifold; andone or more openings to fluidically couple the second groove to an interior of the intake air port, whereby the insert is configured to mix gaseous fuel and intake air at a coupling location between the intake manifold and the cylinder head.2. The insert of claim 1 , wherein the first groove is defined by the top surface of the annular body and is oriented to face towards a cylinder head mounting region when the insert is positioned at the coupling location between the intake manifold and cylinder head.3. The insert of claim 1 , wherein the second groove is defined by the outer surface of annular body claim 1 , the outer surface is oriented to be in face-sharing contact with the intake air port when the insert is positioned at the coupling location between the intake manifold and cylinder head.4. The insert of claim 1 , further comprising one or more additional grooves configured to house a seal claim 1 , the one or more additional grooves defined by the outer surface.5. The insert of claim 1 , wherein the one or more openings ...

A WATER-COOLED INTERNAL COMBUSTION ENGINE

In a water-cooled inner combustion engine (), in particular for equipping scooters and motorcycles, the arrangement of the outer cooling tubes connected to a radiator is simplified by arranging a by-pass valve (), arranged directly on the engine block () at a discharge opening () obtained therein, which, when the cooling water is lower than a reference temperature, prevents the water circulation in the radiator () and it addresses it through a by-pass line () by implementing a cooling circuit wholly included in the engine block (). 1128911121398311829. A water-cooled internal combustion engine () , for equipping scooters and motorcycles , having an engine block () , obtained from one only single-piece melting and with a driving axle (A) substantially perpendicular to a longitudinal development of the internal combustion engine , and a cooling system comprising a radiator () , a relative fan () and a water circulating pump () comprising an intake nozzle () and a discharge nozzle () , wherein the fan () of the radiator () is mounted directly on a crankshaft () from which a driving force for said cooling water circulation pump () is derived , the radiator () being arranged laterally to the engine block () , with the fan () lying on a plane substantially parallel to said longitudinal development ,{'b': 11', '2', '8, 'claim-text': [ [{'b': 16', '17', '8', '2', '16', '17', '2', '18', '18', '23', '12', '11, 'a discharge line () and a extraction line () connecting the radiator () to said engine block (), said discharge and extraction lines (, ) being constituted by tubes outside the engine block () with respective discharge openings (), formed in said engine block (), and intake opening () connected to said intake nozzle () of the pump ();'}, {'b': 24', '25, 'an inner circuit portion (, ) for extracting heat from the engine;'}], 'a first cooling circuit having, {'b': 2', '26', '18', '12', '11', '24', '25', '1, 'a second cooling circuit wholly included in said engine block ...

COOLING SYSTEM, AND INTERNAL COMBUSTION ENGINE COMPRISING A COOLING SYSTEM OF SAID TYPE

A cooling system including a first coolant line and a second coolant line, at least one first component to be cooled, into which the first coolant line opens, and a first ventilation line. The first ventilation line is fluidically connected to the at least one first component and is configured for ventilating the at least one first component. The first ventilation line opens into the second coolant line. 1. A cooling system , comprising:a first coolant line and a second coolant line;at least one first component to be cooled, into which the first coolant line opens; anda first ventilation line fluidically connected to the at least one first component and configured for ventilating the at least one first component, wherein said first ventilation line opens into the second coolant line.2. The cooling system of claim 1 , wherein said cooling system further includes a second component to be cooled claim 1 , and said second coolant line is formed as a coolant path in the second component.3. The cooling system of claim 2 , wherein the first ventilation line opens into the second coolant line outside of at least one of said at least one first component and the second component to be cooled.4. The cooling system of claim 1 , wherein a first pressure prevails in the first coolant line claim 1 , a second pressure prevails in the second coolant line claim 1 , wherein the first pressure of the first coolant line is higher than the second pressure of the second coolant line.5. The cooling system of claim 1 , wherein said first coolant line has a first cross-sectional area claim 1 , said first ventilation line has a second cross-sectional area claim 1 , wherein the first cross-sectional area is larger than the second cross-sectional area by a factor of at least one of 16 to 400 claim 1 , 25 to 225 claim 1 , and 36 to 100.6. The cooling system of claim 1 , wherein said first ventilation line is fluidically connected to said at least one first component at a connection point which ...

Fluid cooling system

A fluid cooling system for an engine ( 101 ). The fluid cooling system comprises a junction ( 105 ), the junction comprising: a primary duct ( 102 ) suitable for conveying fluid into the junction; and a secondary duct ( 103 ) and a tertiary duct ( 104 ), the secondary and tertiary ducts being in fluid communication with the primary duct and being suitable for conveying fluid out of the junction. The secondary duct is arranged at a substantially oblique angle to the primary duct at the point at which the secondary duct meets the primary duct, and the tertiary duct is arranged at a substantially acute angle to the primary duct at the point at which the tertiary duct meets the primary duct.

HEATING DEVICE OF A PCV VALVE

A heating device of a PCV valve includes a PCV valve, a conduit and a bush. The PCV valve contacts the bush. The bush includes an outward protrusion. The outward protrusion includes a curved surface contacting an outside surface of the conduit in a manner of a surface-to-surface contact. Therefore, when the conduit is heated by engine cooling water, the bush contacting the conduit in the manner of a surface-to-surface contact is heated and the PCV valve contacting the bush is heated. Therefore, the PCV valve can be heated by the engine cooling water. 1. A heating device of a PCV valve comprising: a PCV valve , a conduit and a bush each of which is made from metal ,wherein the PCV valve is mounted to an oil separator made from resin via the bush,wherein the conduit includes an outside surface and an internal passage through which an engine cooling water flows,wherein the bush includes an inside surface, a portion of which contacts the PCV valve, and an outside surface, a first portion of which contacts the oil separator and a second portion of which contacts the outside surface of the conduit, andwherein the bush includes an outward protrusion protruding outwardly in a radial direction of the bush and having a curved surface extending along the outside surface of the conduit in a circumferential direction of a cross section of the conduit so that the curved surface of the outward protrusion of the bush contacts a portion of the outside surface of the conduit, opposing the curved surface of the outward protrusion in a manner of a surface-to-surface contact, the curved surface of the outward protrusion defining the second portion of the outside surface of the bush.2. A heating device of a PCV valve according to claim 1 , wherein the bush and the conduit are welded to each other.3. A heating device of a PCV valve according to claim 2 , wherein the conduit includes a longitudinally bent portion extending along a portion of the outside surface of the bush in a ...

Electrical power generation system with multiple path cooling

A genset has an enclosure in which a bulkhead separates the enclosure into a high pressure compartment and a low pressure compartment. A first fan is located in the high pressure compartment and draws ambient air into the high pressure compartment and pressurizes the high pressure compartment to a first pressure that is greater than ambient pressure. A radiator is located within the high pressure compartment such that the pressurized air in the high pressure compartment flows through the radiator and out of the high pressure compartment. A generator is located in the high pressure compartment and provides a gas flow path therethrough from the high pressure compartment to the low pressure compartment. An engine is located in the low pressure compartment and is coupled to the radiator for cooling and is coupled to the generator through the bulkhead to drive the generator.

METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL

Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on echo times of an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Engine power is limited differently based on distinct coolant level states determined based on a change in level of coolant in the reservoir over a duration. 1. A method , comprising:estimating fluid level in a coolant reservoir based on a sensor coupled in a vertical standpipe aligned parallel to the reservoir, the standpipe fluidically coupled to the reservoir at each of a top and bottom location;adjusting the estimated fluid level based on vehicle motion data; andadjusting operation of an engine of a vehicle based on the adjusted estimated fluid level.2. The method of claim 1 , wherein adjusting operation of the engine includes limiting engine power claim 1 , where the limiting based on the adjusted estimated fluid level includes limiting based on the adjusted estimated level relative to each of a first claim 1 , upper threshold and a second claim 1 , lower threshold.3. The method of claim 2 , wherein the limiting includes limiting by a first amount when the adjusted estimated fluid level is below the first threshold and above the second threshold claim 2 , and limiting by a second claim 2 , different amount when the adjusted estimated fluid level is below each of the first and second threshold.4. The method of claim 3 , when the second amount is larger than the first amount claim 3 , and wherein the second amount is adjusted based on a duration for which the adjusted estimated fluid level remains below the second threshold.5. The method of claim 4 , further comprising indicating degradation ...

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

An internal combustion engine with coolant jackets is provided. The internal combustion engine includes a cylinder head coupled to a cylinder block to form a first cylinder, an upper head-associated coolant jacket including a coolant conduit traversing the cylinder head, a lower head-associated coolant jacket fluidly separated from the upper cylinder head coolant jacket and including a coolant conduit traversing the cylinder head vertically below the upper head-associated coolant jacket, and a block-associated coolant jacket including, a first coolant passage having an inlet in fluidic communication with a coolant pump outlet and an outlet in fluidic communication with an inlet of the lower head-associated coolant jacket, and a second coolant passage having an inlet in fluidic communication with an outlet of the lower head-associated coolant jacket and an outlet in fluidic communication with a heat exchanger. 1. A supercharged internal combustion engine comprising:a liquid-cooled cylinder head; anda liquid-cooled cylinder block coupled to the liquid-cooled cylinder head to form a first cylinder in the supercharged internal combustion engine;where the first cylinder has on an inlet side an inlet opening supplying combustion air via an intake system and on an outlet side an outlet opening for discharging exhaust gases via an exhaust-gas discharge system;where the liquid-cooled cylinder block is equipped with two integrated coolant jackets, where a first block-associated coolant jacket is provided on the outlet side and has a supply opening for supplying coolant to the first block-associated coolant jacket, and a second block-associated coolant jacket is provided on the inlet side and has a discharge opening for discharging the coolant;where the liquid-cooled cylinder head is equipped with an integrated head-associated coolant jacket that is connected to the first block-associated coolant jacket and supplies coolant and to the second block-associated coolant jacket for ...

Electrical power generation system with multiple path cooling

A genset has an enclosure in which a bulkhead separates the enclosure into a high pressure compartment and a low pressure compartment. A first fan is located in the high pressure compartment and draws ambient air into the high pressure compartment and pressurizes the high pressure compartment to a first pressure that is greater than ambient pressure. A radiator is located within the high pressure compartment such that the pressurized air in the high pressure compartment flows through the radiator and out of the high pressure compartment. A generator is located in the high pressure compartment and provides a gas flow path therethrough from the high pressure compartment to the low pressure compartment. An engine is located in the low pressure compartment and is coupled to the radiator for cooling and is coupled to the generator through the bulkhead to drive the generator.

Tube Seal Assembly

A tube seal assembly is provided to connect a tube and an adapter in order to circulate a fluid. The tube seal assembly can include various components such as a locking flange , a tube retainer, a seal guard, and an elastomeric seal. Bolts are used to secure the components of tube seal assembly together through the use of a load and to secure the tube seal assembly to the second tube. Teeth on the tube retainer are angled to dig into the first tube to prevent the tube from separating from the adapter during a blowout. The tube seal assembly can be configured to connect to any existing tube in order to be more serviceable in the field. 1. A tube seal assembly for connecting a tube , comprising:an elastomeric seal configured to provide a seal between tube and an adapter;a tube retainer having at least one tooth configured to mate with the tube, the at least one tooth being moveable from a first angle to a second angle during assembling;a seal guard configured to protect the elastomeric seal from being damaged by the at least one tooth;a locking flange having a shoulder and a bolt receiving portion, wherein the elastomeric seal, tube retainer and seal guard are positioned under the shoulder of the locking flange; anda bolt configured to fit in the bolt receiving portion and apply a load to the shoulder of locking flange.2. The assembly of claim 1 , wherein the shoulder applies the load and compresses the tube retainer claim 1 , seal guard and elastomeric seal.3. The assembly of claim 1 , wherein the first angle is above a plane of the tube retainer before an insertion of the tube into the adapter.4. The assembly of claim 3 , wherein the second angle is below the plane after the insertion of the tube into the adapter.5. The assembly of claim 1 , wherein the at least one tooth contacts claim 1 , at the first angle claim 1 , an outer surface of the tube during an initial insertion and then moves to the second angle after completion of the insertion of the tube into a bore ...

MANIFOLD FOR AN ENGINE ASSEMBLY

An engine assembly includes a turbocharger and a fluid conduit. The fluid conduit is thermally coupled to the turbocharger such that the coolant flowing through the fluid conduit can extract heat from the turbocharger. The engine assembly includes a surge tank and an engine head defining a coolant gallery. Further, the engine assembly includes an exhaust manifold integrated with the engine head. The coolant gallery is thermally coupled to the exhaust manifold such that the coolant can extract heat from the exhaust manifold. The engine assembly further includes a coolant manifold in fluid communication with the fluid conduit and the coolant gallery. The coolant manifold defines a venting orifice in fluid communication with the surge tank. Further, the coolant manifold defines a joint passageway in fluid communication with the fluid conduit. Moreover, the coolant manifold defines an interconnection passageway fluidly interconnecting the joint passageway and the coolant gallery. 1. An engine assembly , comprising:a turbocharger;a fluid conduit configured to carry a first coolant, wherein the fluid conduit is thermally coupled to the turbocharger such that the first coolant flowing through the fluid conduit can extract heat from the turbocharger;a surge tank;an engine head defining a coolant gallery, wherein the coolant gallery is configured to carry a second coolant;an exhaust manifold integrated with the engine head, wherein the coolant gallery is thermally coupled to the exhaust manifold such that the second coolant can extract heat from the exhaust manifold; a venting orifice in fluid communication with the surge tank in order to allow vapors to vent from the coolant manifold to the surge tank;', 'a joint passageway in fluid communication with the fluid conduit in order to allow the first coolant to flow from the fluid conduit to the coolant manifold; and', 'an interconnection passageway fluidly interconnecting the joint passageway and the coolant gallery in order ...

ENGINE ASSEMBLY INCLUDING A COOLANT GALLERY

An engine assembly includes a turbocharger and a fluid conduit thermally coupled to the turbocharger such that the coolant flowing through the fluid conduit can extract heat from the turbocharger. The engine assembly further includes an exhaust gas recirculation (EGR) system and a second fluid conduit thermally coupled to the EGR system such that the coolant flowing through the second fluid conduit can extract heat from the EGR system. The engine assembly also includes an engine head defining a coolant gallery extending therethrough. The coolant gallery is in fluid communication with the first fluid conduit and the second fluid conduit. Further, the engine assembly includes an exhaust manifold integrated with the engine head. The coolant gallery is thermally coupled to the exhaust manifold such that the coolant flowing through the coolant gallery can extract heat from the exhaust manifold. 1. An engine assembly , comprising:a turbocharger;a first fluid conduit configured to carry a coolant, wherein the first fluid conduit is thermally coupled to the turbocharger such that the coolant flowing through the first fluid conduit can extract heat from the turbocharger;an exhaust gas recirculation (EGR) system;a second fluid conduit configured to carry the coolant, wherein the second fluid conduit is thermally coupled to the EGR system such that the coolant flowing through the second fluid conduit can extract heat from the EGR system; andan engine head defining a coolant gallery extending therethrough, wherein the coolant gallery is in fluid communication with the first fluid conduit and the second fluid conduit in order to allow the coolant to flow from the first fluid conduit and the second fluid conduit to the coolant gallery; andan exhaust manifold integrated with the engine head, wherein the coolant gallery is thermally coupled to the exhaust manifold such that the coolant flowing through the coolant gallery can extract heat from the exhaust manifold.2. The engine ...

Work vehicle hose routing

A work vehicle in which hoses and the like are easy to handle and adequate routing of these hoses is possible. The work vehicle includes a traveling body which includes: traveling devices; and a connecting section which is configured to connect a working machine to the traveling body. The traveling body includes: a pair of left and right body frames which extends longitudinally; an engine which is mounted on the body frames and works as a driving source of the traveling devices and the working machine; a base plate which is provided on the body frames; a cooler which is provided on the base plate; and hoses which are connected to the cooler and routed, the base plate has a hose insertion hole into which the hoses are inserted, and the hoses pass through the hose insertion hole, extend below the base plate, and are routed toward the engine.

EXHAUST GAS RECIRCULATION SYSTEM

The exhaust gas recirculation system comprises an exhaust recirculation pipe configured to recirculate an exhaust gas from an engine into an intake pipe of the engine, an exhaust gas heat exchanger connected to the exhaust recirculation pipe and configured to perform an heat exchange between the exhaust gas and an engine cooling water used for cooling the engine, a cooling water pipe configured to circulate the engine cooling water to the exhaust gas heat exchanger, and a heat insulating member forming a heat insulating layer on a heat transfer path from the exhaust gas heat exchanger to the outside. 1. An exhaust gas recirculation system , comprising:an exhaust recirculation pipe configured to recirculate an exhaust gas from an engine into an intake pipe of the engine;an exhaust gas heat exchanger connected to the exhaust recirculation pipe and configured to perform a heat exchange between the exhaust gas and an engine cooling water used for cooling the engine;a cooling water pipe configured to circulate the engine cooling water to the exhaust gas heat exchanger; anda heat insulating member forming a heat insulating layer on a heat transfer path from the exhaust gas heat exchanger to an outside.2. The exhaust gas recirculation system according to claim 1 , whereinthe heat insulating member covers an outer surface of components constituting the exhaust gas heat exchanger.3. The exhaust gas recirculation system according to claim 1 , wherein a plurality of tubes through which the exhaust gas passes,', 'a casing in which the tubes are housed,', 'a cooling water flow path provided inside of the casing, through which the cooling water that exchanges heat with the exhaust gas flowing through the tubes passes,', 'an inlet side flange provided so as to be capable of transferring heat to the casing, the inlet side flange configured to divide the exhaust gas to the plurality of tubes, and', 'an outlet side flange provided so as to be capable of transferring heat to the ...

COOLANT PASSAGE DEVICE FOR INTERNAL COMBUSTION ENGINE

A coolant passage device includes coolant intake pipes and that take in coolant from an engine, a delivery pipe to a radiator communicating with the coolant intake pipes, and a delivery pipe to the heater core branched from a central passage connecting the coolant intake pipes with the delivery pipe to the radiator. A branch port leading to the delivery pipe to the heater core is opened in an upper portion in the central passage in a state where the coolant passage device is mounted to the engine, and the branch port has a wall surface surrounding the branch port and hanging down into the central passage . The wall surface prevents bubbles contained in the coolant from entering the branch port . And the coolant passage device consequently prevents coolant flow noise from occurring. 1. A coolant passage device that is used in a cooling device for an internal combustion engine forming a coolant circulation flow path between a fluid passage formed in the internal combustion engine and a radiator , and is provided between a coolant outlet portion of the internal combustion engine and a coolant inlet portion of the radiator , the coolant passage device comprising:a coolant intake pipe that takes in coolant from the internal combustion engine;a delivery pipe to the radiator communicating with the coolant intake pipe; andat least a delivery pipe to a heater core branched from a central passage connecting the coolant intake pipe with the delivery pipe to the radiator, whereina branch port leading to the delivery pipe to the heater core is opened in an upper portion in the central passage in a state where the coolant passage device is mounted to the internal combustion engine, and the branch port has a wall surface surrounding the branch port and hanging down into the central passage, and the wall surface prevents bubbles contained in the coolant from entering the branch port.2. The coolant passage device according to claim 1 , whereinthe coolant intake pipe includes a pair ...

Cooling system for an internal combustion engine of a motor-vehicle

A cooling system for an internal combustion engine of a motor-vehicle presenting a circuit for a coolant of the engine. The circuit includes a thermally insulated tank for the coolant of the engine, connected to an outer portion of the cooling circuit. The tank is arranged in the circuit to retain a defined quantity of coolant at a temperature above the ambient temperature when the engine is inactive, and for causing this quantity of coolant to flow, at a temperature above the ambient temperature, into the cooling circuit of the engine, after a subsequent start of the engine, during an engine warm up stage. The circuit also includes an expansion vessel connected to the outer circuit portion of the coolant of the engine. The expansion vessel has a thermally insulated body and constitutes the thermally insulated tank for the engine coolant.

RADIATOR ARRANGEMENT STRUCTURE FOR SADDLE-RIDE TYPE VEHICLES

A radiator arrangement structure for a saddle-ride type vehicle places, in a saddle-ride type vehicle equipped with a water-cooled internal combustion engine, a radiator to face a front portion of a rear fender and to incline rearward along the rear fender, and a cooling fan in front of the radiator in a forward inclined position. Alternatively or additionally, in the radiator arrangement structure for a saddle-ride type vehicle, in side view, the cooling fan and the radiator are housed in a V-shaped region defined by a main frame and the rear fender in such a manner as to increase a distance between the cooling fan and the radiator toward their top ends. 1. A radiator arrangement structure for a saddle-ride type vehicle , the saddle-ride type vehicle being equipped with a water-cooled internal combustion engine ,wherein: a radiator is placed to face a front portion of a rear fender and to incline rearward along the rear fender; anda cooling fan is placed forward of the radiator in a forward inclined position.2. The radiator arrangement structure for a saddle-ride type vehicle according to claim 1 , wherein claim 1 , in side view claim 1 , the cooling fan and the radiator are housed in a V-shaped region defined by a main frame and the rear fender claim 1 , in such a manner as to increase a distance between the cooling fan and the radiator toward their top ends.3. The radiator arrangement structure for a saddle-ride type vehicle according to claim 2 , wherein the radiator is placed directly underneath a rider seat.4. The radiator arrangement structure for a saddle-ride type vehicle according to claim 2 , wherein the cooling fan is placed directly underneath a rider seat and covered with a body cover.5. The radiator arrangement structure for a saddle-ride type vehicle according to claim 4 , wherein a fan shroud surrounding the cooling fan has a vent inclined forward.6. The radiator arrangement structure for a saddle-ride type vehicle according to claim 3 , wherein a ...

METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL

Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on echo times of an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Engine power is limited differently based on distinct coolant level states determined based on a change in level of coolant in the reservoir over a duration.

METHOD OF ASSEMBLING A FEMALE CONNECTOR OF A PLUG-IN CONNECTOR

According to one embodiment a plug-in connector is provided that includes a female connector and a male connector. The female connector includes a head configured for being connected to the male connector and a body fixed to the head which is configured for being attached to a pipe/hose. A contact area including a line of contact communicated with the inside of the female connector is defined between the head and the body. The plug-in connector also includes a sealing gasket configured for assuring leak-tightness between the female connector and the male connector, the line of contact being arranged in a previous axial position with respect to at least part of the sealing gasket in the direction of insertion of the male connector into the female connector, such that the sealing gasket itself also assures the leak-tightness in the line of contact. 1. A method of assembling a female connector of a plug-in connector , the method comprising:obtaining a head of the female connector, the head configured to be connected to a male connector, the head having a central axis, an internal through passage, a first end portion configured to receive a male connector and a second end portion, the head including a protuberance that circumscribes the central axis;obtaining a body of the female connector, the body having an internal through passage, a first end portion configured to be coupled with the second end portion of the head and a second end portion configured for being attached to a pipe or hose, the head including a recess that circumscribes a part of the internal through passage of the body, the recess including first and second radially spaced-apart sidewalls;adjoining the first end portion of the body to the second end portion of the head to place the internal through passage of each of the head and body in fluid communication with one another, and to position the protuberance inside the recess such that the protuberance is spaced apart from one or both of the first and ...

Construction Machine

A construction machine includes a cooling fan ( 10 ) and a shroud ( 11 ). The cooling fan ( 10 ) sends air drawn in via a radiator ( 30 ) to an engine. The shroud ( 11 ) is disposed on an outer peripheral side of the cooling fan and forms a passage for air to be drawn in via the radiator. The construction machine includes a tank ( 12 ) and a cover ( 14 B). The tank ( 12 ) is disposed superior to an upper end portion of the radiator and stores cooling water to be supplied to the radiator and the engine. The cover ( 14 B) is disposed openably in an opening ( 14 A) formed in a top surface plate ( 11 B) of the shroud. The tank ( 12 ) is disposed at a position adjacent to the shroud ( 11 ) on a side closer to the engine side than the cover ( 14 B) is.

Oil channel for engine

An engine block is disclosed. The engine block may have a cylinder. The engine block may also have a piston that may slide within the cylinder. Further, the engine block may have a liner positioned between the cylinder and the piston. The engine block may also have a groove disposed circumferentially about the liner. The groove may be in communication with the liner and the cylinder. The engine block may have at least two oil nozzles arranged spaced apart from each other. The oil nozzles may be configured to spray oil on the piston. The engine block may also have an oil channel configured to supply oil to at least one of the two oil nozzles via the groove.

FLUID CONNECTOR ASSEMBLY, LIQUID COOLING SYSTEM AND FLUID CIRCULATION SYSTEM

A fluid connector assembly includes a housing, an elastic member and a floating component. The housing has an opening. The elastic member is disposed in the opening of the housing. The floating component is movably supported by the elastic member and includes a fluid passage and a first guiding structure. The fluid passage is configured to be connected to a fluid device. The first guiding structure is configured to engage with a second guiding structure of the fluid device. 1. A fluid connector assembly , comprising:a housing having an opening;an elastic member disposed in the opening of the housing; anda floating component movably supported by the elastic member and comprising a fluid passage and a first guiding structure, wherein the fluid passage is configured to be connected to a fluid device, and the first guiding structure is configured to engage with a second guiding structure of the fluid device.2. The fluid connector assembly of claim 1 , wherein the elastic member comprises a spring with a curved portion claim 1 , the curved portion is adjacent to the floating component.3. The fluid connector assembly of claim 1 , wherein the floating component has a stopper making contact with the elastic member or the housing.4. The fluid connector assembly of claim 3 , wherein the elastic member comprises a first elastic member and a second elastic member claim 3 , and the stopper is located between the first elastic member and the second elastic member.5. The fluid connector assembly of claim 3 , wherein the elastic member comprises a curved portion claim 3 , the stopper comprises two locking pins holding the curved portion therebetween.6. The fluid connector assembly of claim 3 , wherein the elastic member has a thru-hole claim 3 , the stopper passes through the thru-hole and is movably disposed in the thru-hole.7. The fluid connector assembly of claim 3 , wherein the housing has a retaining slot claim 3 , and the stopper is at least partially located in the retaining ...

CONTROL PLATE FOR COOLING CIRCUIT

Provided is a temperature management medium distributor for an internal combustion engine. The temperature management medium distributor comprises first connection openings for at least one engine temperature management circuit for temperature management of the internal combustion engine, at least one lubrication temperature management circuit for temperature management of a lubricant of the internal combustion engine, and at least one further medium circuit for removing from or supplying thermal energy to the internal combustion engine. The temperature management medium distributor also comprises second connection openings for heat exchangers. Using the heat exchangers, heat can be exchanged in a pairwise manner between each of the at least one engine temperature management circuit, the at least one lubrication temperature management circuit and the at least one further medium circuit. Also, channel sections are provided to produce fluid connections between the first connection openings and the second connection openings. 1. A temperature management medium distributor for an internal combustion engine comprising:first connection openings forat least one engine temperature management circuit for temperature management of the internal combustion engine;at least one lubrication temperature management circuit for temperature management of a lubricant of the internal combustion engine;at least one further medium circuit for removing from or supplying thermal energy to the internal combustion engine;second connection openings for heat exchangers, with the heat exchangers heat can be exchanged in a pairwise manner between each of the at least one engine temperature management circuit, the at least one lubrication temperature management circuit, and the at least one further medium circuit; andchannel sections to produce fluid connections between the first connection openings and the second connection openings;whereina first group of the channel sections is provided for the ...

EXPANSION TANK FOR A MOTOR-VEHICLE COOLING SYSTEM

An expansion tank for a motor-vehicle cooling system has an inlet port and an outlet port and is provided with a plastic shell having a container and two protruding collars, respectively at the two ports; at least one of the collars defines a seat, which is engaged by a tubular insert coaxial to the collar; elastically deformable teeth are provided for snap-coupling the tubular insert and the shell to each other and axially retaining the tubular insert in the seat. 1. An expansion tank for a motor-vehicle cooling system , the expansion tank having an inlet port and an outlet port , and comprising: a) a container to contain a cooling liquid;', 'b) at least two protruding collars at said inlet port and respectively said outlet port; at least one of said collars defining a seat extending along an axis;, 'a plastic shell comprisingat least one tubular insert engaging said seat and coaxial to the at least one of said collars;retaining means, axially retaining said tubular insert in said seat;wherein said retaining means comprise elastically deformable teeth snap-coupling said tubular insert and said shell to each other.2. A tank according to claim 1 , wherein said tubular insert is made of plastic material.3. An expansion tank according to claim 1 , wherein said elastically deformable teeth are part of said tubular insert.4. An expansion tank according to claim 3 , wherein said elastically deformable teeth are arranged at an axial end of said tubular insert; at the opposite axial end claim 3 , said tubular insert comprising an external flange axially facing an outer end edge of the at least one of said collars.5. A tank according to claim 1 , wherein said seat is defined by a surface comprising a cylindrical zone and an end zone claim 1 , which is tapered from the outside inwards.6. A tank according to claim 5 , wherein said tubular insert comprises a cylindrical portion having an outer diameter equal to the inner diameter of said cylindrical zone. This application ...

EXPANSION TANK

An expansion tank includes a plurality of partition walls separating a storage chamber of the tank main body into a plurality of compartment chambers, each partition wall provided with a lower communicating portion and an upper communicating portion formed in a lower part and an upper part thereof, respectively, to communicate the adjoining compartment chambers to each other, wherein the compartment chambers include an inlet chamber having an inlet, an outlet chamber having an outlet, and intermediate chambers, and wherein one of the compartment chambers other than the outlet chamber is provided with a communication port, and a lower edge of the upper communicating portion of the partition wall defining the compartment chamber provided with the communication port is lower than a lower edge of the upper communicating portion of another one of the partition walls. 1. An expansion tank , comprising:a tank main body defining a storage chamber for storing a coolant liquid therein; anda plurality of partition walls separating the storage chamber into a plurality of compartment chambers;wherein the partition walls include one provided with a lower communicating portion and an upper communicating portion formed in a lower part and an upper part thereof, respectively, to communicate the adjoining compartment chambers to each other;wherein the compartment chambers include an inlet chamber having an inlet, an outlet chamber having an outlet, and at least one intermediate chamber; andwherein one of the compartment chambers other than the outlet chamber is provided with a communication port, and a lower edge of the upper communicating portion of the partition wall defining the compartment chamber provided with the communication port is lower than a lower edge of the upper communicating portion of another one of the partition walls.2. The expansion tank according to claim 1 , wherein the tank main body is box-shaped and has an open upper end which is closed by a top lid claim 1 , ...

Automotive engine coolant pipe repair apparatus and method

A repair kit and associated method for repairing an automotive coolant pipe for fluid-conducting within an engine block of an engine includes at least a repair stent, sealant and instructions for performing the method. The repair stent may be a whole tube, or a hollow semi-cylinder defining a gap. The method includes draining coolant from the engine, removing the water pump from the engine without removing the timing chain cover of the engine, inserting the repair stent including a sealant through the coolant passage, wherein the coolant passage extends through the timing chain cover into the engine, re-assembling the water pump to the engine and adding coolant to the engine.

CYLINDER HEAD FOR VEHICLE ENGINE

A cylinder head containing an exhaust system manifold for an engine includes screw holes formed through a fastening face of the cylinder head and an exhaust pipe, and outlet cooling channels that are provided adjacent to an outlet of a confluence of the manifold, and are disposed between the screw holes and the outlet. Coolant flows through the outlet cooling channels. 1. A cylinder head comprising:a manifold provided inside the cylinder for an exhaust system of an engine;screw holes formed through a fastening face of the cylinder head and an exhaust pipe; andoutlet cooling channels that are provided adjacent to an outlet of a confluence of the manifold, and are disposed between the screw holes and the outlet, such that coolant flows through the outlet cooling channels.2. The cylinder head according to claim 1 , whereinthe screw holes are provided around the outlet,at least one of the screw holes is provided on a lateral side of the outlet, andthe outlet cooling channels are disposed between the screw holes provided on the lateral side and the outlet.3. The cylinder head according to claim 2 , further comprising:an upper cooling channel that permits a flow of the coolant above the manifold; anda lower cooling channel that permits a flow of the coolant below the manifold,wherein the outlet cooling channels permit communications between the upper cooling channel and the lower cooling channel.4. The cylinder head according to claim 3 , wherein one of the upper cooling channel and the lower cooling channel which are connected to respective inlets of the outlet cooling channels of an upstream comprises a guide section to guide the coolant to the outlet cooling channels.5. The cylinder head according to claim 4 , whereinthe coolant in the upper cooling channel and the lower cooling channel flows from one end of a long side direction of the engine to the other end of the long side direction of the engine, andthe guide section is disposed downstream of a flowing direction ...

ARRANGEMENT OF EXCHANGERS FOR MARINIZATION OF A MARINE ENGINE

An arrangement of exchangers for marinization of a marine engine, including an engine block with in-line cylinders or cylinders in a V, cooled by a cooling fluid, at least one turbocompressor with a hot chamber connected to an outlet and a cold chamber connected to the cylinders of the engine block, a reverser including a housing and containing oil, wherein the arrangement includes: 22020120220310. Arrangement of exchangers for marinization of a marine engine according to claim 1 , wherein in the case of an engine with in-line cylinders claim 1 , the exchanger line () that comprises the turbocompressor (-) claim 1 , engine (-) and reverser (-) exchangers is arranged on the same side of the engine block ().320. Arrangement of exchangers for marinization of a marine engine according to claim 2 , wherein the exchanger line () is arranged in a spiral in a vertical plane.412012011012612312021101203. Arrangement of exchangers for marinization of a marine engine according to claim 1 , wherein in the case of a V engine claim 1 , the exchanger line () comprises the turbocompressor exchanger (-) that is placed behind the engine block () to the right of the turbocompressors (G and D) claim 1 , the engine exchanger (-) that is placed to the front of the engine block () claim 1 , and the reverser exchanger (-) that is placed laterally.5120. Arrangement of exchangers for marinization of a marine engine according to claim 4 , wherein the exchanger line () is arranged in a spiral in a horizontal plane.622122223122318118221122120112012021202222122220212022031203. Arrangement of exchangers for marinization of a marine engine according to claim 1 , wherein in addition to the radiator hose ( claim 1 , ) for supplying cooling water ER and the radiator hose (- claim 1 , -) for discharging this cooling water ER toward an outlet of combustion gases ( claim 1 , ) claim 1 , the arrangement further comprises a radiator hose (- claim 1 , -) between the turbocompressor exchanger (- claim 1 , -) ...

MOTORCYCLE AND SADDLE-RIDDEN TYPE VEHICLE

There is provided a motorcycle. A side stand is disposed at a side-lower portion of an engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface. An inflow piping is configured to supply cooling water delivered from a water pump to a supercharger. An outflow piping is disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump. The outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side. 1. A saddle-ridden type vehicle comprising:an engine;an oil cooler configured to cool engine oil to be supplied to the engine;a supercharger configured to compress combustion air to be supplied to the engine;a water pump configured to pump cooling water to the engine and the supercharger, and a cooling piping configured to flow the cooling water delivered from the water pump, an inflow piping configured to supply the cooling water delivered from the water pump to the oil cooler,', 'a connection piping configured to supply the cooling water having cooled the oil cooler to the supercharger; and', 'an outflow piping configured to return the cooling water having cooled the supercharger to the water pump., 'wherein the cooling piping comprises2. The saddle-ridden type vehicle according to claim 1 ,wherein the oil cooler is disposed at a front-lower portion of the engine,wherein the supercharger is disposed above the oil cooler,wherein the connection piping extends upward from the oil cooler, andwherein the outflow piping extends upward from the supercharger.3. The saddle-ridden type vehicle according to claim 1 , wherein the outflow piping is connected ...

VEHICLE ENGINE COOLING SYSTEM

A vehicle engine cooling system may include a high temperature radiator in which a high temperature coolant for cooling an engine by using ambient air flows, a low temperature radiator in which a low temperature coolant for cooling a water-cooled condenser by using ambient air flows, an integrated cooler configured to cool a low pressure EGR gas and air which has passed through a turbocharger, a high temperature radiator circulation line provided to allow the high temperature coolant to circulate the high temperature radiator, the engine, and the integrated cooler, a low temperature radiator circulation line provided to allow the low temperature coolant to circulate the low temperature radiator, the condenser, and the integrated cooler, and a plurality of control valves provided on the high temperature radiator circulation line and the low temperature radiator circulation line. 1. A vehicle engine cooling system comprising:a high temperature radiator in which a high temperature coolant for cooling an engine by using ambient air flows;a low temperature radiator in which a low temperature coolant for cooling a water-cooled condenser by using ambient air flows;an integrated cooler configured to cool a low pressure EGR gas and air which has passed through a turbocharger by using the coolant of the high temperature radiator and the coolant of the low temperature radiator;a high temperature radiator circulation line provided to allow the high temperature coolant to circulate the high temperature radiator, the engine, and the integrated cooler;a low temperature radiator circulation line provided to allow the low temperature coolant to circulate the low temperature radiator, the condenser, and the integrated cooler; anda plurality of control valves provided on the high temperature radiator circulation line and the low temperature radiator circulation line to control flows of the high temperature coolant and the low temperature coolant.2. The vehicle engine cooling system of ...

METHOD AND SYSTEM FOR MAINTAINING AN ENGINE COOLANT LEVEL

Methods and systems are provided for maintaining a desired engine coolant level and a relative glycol amount in the engine coolant by using water sourced from on-board vehicle systems. In one example, a method may include supplying water to the engine coolant reservoir in response to the engine coolant level decreasing below a threshold. Also, a relative glycol amount in the coolant may be maintained at a threshold amount by adding water to the coolant in response to a relative glycol increasing above the threshold. 1. An engine method , comprising:in response to a relative amount of glycol in an engine coolant being higher than a threshold amount, and in response to an engine coolant level being lower than a threshold coolant level during increase coolant temperature levels, selectively supplying water from an on-board water collection system to a coolant reservoir based on water quality.2. The method of claim 1 , wherein supplying water from the on-board water collection system includes supplying water from a water tank of the on-board water collection system to the engine coolant reservoir until the engine coolant level increases to the threshold coolant level.3. The method of claim 1 , further comprising claim 1 , adjusting an amount of water injection responsive to coolant level.4. The method of claim 1 , wherein supplying water from the on-board water collection system to the coolant reservoir further includes supplying water to the engine coolant reservoir until the relative amount of glycol in the engine coolant decreases to the threshold amount.5. The method of claim 1 , wherein the on-board water collection system sources water from an on-board air-conditioning system.6. The method of claim 1 , wherein the on-board water collection system sources water from an exhaust gas system.7. The method of claim 1 , wherein the on-board water collection system sources water from an exhaust system claim 1 , and wherein the collection system includes one or more ...

CYLINDER HEAD OF MULTI-CYLINDER ENGINE

A first coolant flow passage () is provided to extend in a longitudinal direction of a cylinder head (). In at least one of cross sections perpendicular to the longitudinal direction, the first coolant flow passage () is located between a flat plane (S) including central axes of a plurality of combustion chambers () and parallel to the longitudinal direction and a central line plane (S) including central lines of a plurality of intake ports (). In at least one of cross sections perpendicular to the longitudinal direction, at least a portion () of a second coolant flow passage is located between a cylinder block mating surface (la) of the cylinder head () and the intake port central line plane (S). A coolant at a temperature lower than that of a coolant flowing in the second coolant flow passage () flows in the first coolant flow passage (). 1. A multi-cylinder engine comprising:a cylinder head including a plurality of combustion chambers, a plurality of intake ports, a first coolant flow passage, and a second coolant flow passage,wherein the plurality of combustion chambers are provided side by side in a longitudinal direction of the cylinder head,the plurality of intake ports are provided side by side in the longitudinal direction of the cylinder head and respectively communicate with the plurality of combustion chambers,the first coolant flow passage extends in the longitudinal direction and, in at least one of cross sections perpendicular to the longitudinal direction, the first coolant flow passage is located between a flat plane and a central line plane, the flat plane including central axes of the plurality of combustion chambers and parallel to the longitudinal direction, the central line plane including central lines of the plurality of intake ports, andat least a portion of the second coolant flow passage is located between a cylinder block mating surface of the cylinder head and the central line plane, in at least one of cross sections perpendicular to the ...