СПОСОБ И СИСТЕМА ОХЛАЖДЕНИЯ БЛОКА ЦИЛИНДРОВ ДВИГАТЕЛЯ (ВАРИАНТЫ)

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

СИСТЕМА ОХЛАЖДЕНИЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ И УЗЕЛ ТЕРМОСТАТОВ ДЛЯ СИСТЕМЫ ОХЛАЖДЕНИЯ

Изобретение относится к системе охлаждения двигателя внутреннего сгорания. Представлена система охлаждения двигателя с двигателем внутреннего сгорания, образующим рубашку охлаждения головки и рубашку охлаждения блока в конфигурации с разделением потоков. Первый термостат установлен на выходе рубашки охлаждения блока и выполнен с возможностью управления потоком хладагента через нее. Второй термостат установлен так, чтобы принимать поток хладагента из первого термостата и рубашки охлаждения головки. Первый и второй термостаты находятся в узле термостатов внутри корпуса. В соответствии с тем, что температура хладагента находится ниже первого порогового значения, первый и второй термостаты ниже по потоку от двигателя в узле термостатов закрываются таким образом, что хладагент протекает через рубашку головки и узел термостатов к насосу, и таким образом, что хладагент в рубашке головки захватывает капельный поток хладагента из рубашки блока через межцилиндровый канал охлаждения, охлаждая, таким ...

Технология охлаждения двигателя внутреннего сгорания

Изобретение может быть использовано в двигателях внутреннего сгорания. Двигатель (100) внутреннего сгорания включает контур (106-1, 106-2) охлаждающей жидкости, соединенный с головкой (102) цилиндров и/или блоком (104) цилиндров двигателя (100) внутреннего сгорания, или выполненный с возможностью такого соединения. Имеется включающий насос (108) охлаждающей жидкости, который включает приводной вал (112) и выполнен с возможностью обеспечения циркуляции охлаждающей жидкости (114) в контуре (106-1, 106-2) охлаждающей жидкости. Вязкостная муфта (120) установлена для приведения в действие приводом (122) от двигателя (100) внутреннего сгорания или выполнена с возможностью такой установки. Вязкостная муфта (120) включает дилатантную жидкость (124) для передачи крутящего момента и выходную сторону, соединенную с приводным валом (112) насоса (108) охлаждающей жидкости. Приводной вал (112) насоса (108) охлаждающей жидкости включает по меньшей мере одну тепловую трубку (130), находящуюся в теплообмене ...

СНАБЖЕННАЯ ПОКРЫТИЕМ ТКАНЬ ИЗ МОНОАКСИАЛЬНО ВЫТЯНУТЫХ ПОЛОС ИЗ ПОЛИМЕРНОГО МАТЕРИАЛА И ИЗГОТОВЛЕННЫЙ ИЗ ТАКОЙ ТКАНИ МЕШОК

Изобретение относится к способу для соединения снабженных покрытием тканей, к снабженной покрытием ткани и к мешку. Снабженные покрытием ткани включают в себя ткань из моноаксиально вытянутых полос из полимерного материала. Ткань из моноаксиально вытянутых полос из полимерного материала покрыта термосвариваемым слоем из термопластичного полимерного материала, точка плавления которого лежит ниже точки кристаллизация/плавление материала моноаксиально вытянутых полос. Две снабженные покрытием ткани расположены друг над другом и обращены друг к другу термосвариваемыми слоями. Нагревают, по меньшей мере, одну из снабженных покрытием ткань со стороны ткани из моноаксиально вытянутых полос из полимерного материала до температуры ниже температуры кристаллизация/плавление материала полос ткани до расплавления термосвариваемых слоев. Техническим результатом изобретения является упрощение сварки снабженной покрытием ткани и повышение прочности сварного соединения. 4 н. и 10 з.п. ф-лы, 6 ил.

ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ (ВАРИАНТЫ)

... 1. Двигатель (1) внутреннего сгорания, содержащий по меньшей мере одну головку (2) блока цилиндров с жидкостным охлаждением и один блок (3) цилиндров с жидкостным охлаждением, в которомпо меньшей мере одна головка (2) блока цилиндров снабжена по меньшей мере одной встроенной охлаждающей рубашкой (2а), имеющей на впускной стороне первое подводящее отверстие (4а) для подачи хладагента и на выпускной стороне первое выпускное отверстие (5а) для выпускания хладагента,блок (3) цилиндров снабжен по меньшей мере одной встроенной охлаждающей рубашкой (3а), связанной с блоком, имеющей на впускной стороне второе подводящее отверстие (4b) для подачи хладагента и на выпускной стороне второе выпускное отверстие (5b), предусмотренное для выпускания хладагента, идля образования охлаждающего контура выпускные отверстия (5а, 5b) выполнены по меньшей мере с возможностью соединения с подводящими отверстиями (4а, 4b),при этом второе выпускное отверстие (5b) выполнено по меньшей мере с возможностью соединения ...

ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ С ЖИДКОСТНЫМ ОХЛАЖДЕНИЕМ С ПЕРЕКЛЮЧАЮЩИМ СРЕДСТВОМ И СПОСОБ УПРАВЛЕНИЯ ПЕРЕКЛЮЧАЮЩИМ СРЕДСТВОМ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ ТАКОГО ТИПА

Изобретение относится к двигателю внутреннего сгорания с жидкостным охлаждением, имеющему одну головку блока цилиндров с жидкостным охлаждением, блок цилиндров с жидкостным охлаждением и имеющему переключающее средство для соответствующего требованию управления жидкостным охлаждением, переключающее средство, расположенное в контуре циркуляции охлаждающей жидкости, имеет один вход и по меньшей мере три выхода (6a, 6b, 6c, 6d, 6e) для охлаждающей жидкости, имеет два валикообразных полых цилиндра и имеет корпус для соосной поворотной установки и размещения полых цилиндров, при этом второй полый цилиндр установлен с возможностью поворота в первом полом цилиндре, который с возможностью поворота установлен в корпусе, один вход переключающего средства выходит во второй полый цилиндр, корпус имеет три канальных участка для формирования указанных трех выходов (6a, 6b, 6c, 6d, 6e) переключающего средства и каждый полый цилиндр имеет три отверстия (7, 8) на внешней поверхности, при этом один вход ...

БЛОК ЦИЛИНДРОВ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

Изобретение относится к двигателестроению. Блок цилиндров двигателя внутреннего сгорания содержит межцилиндровые перемычки. В межцилиндровых перемычках выполнены прямые парно пересекающиеся встречные круглые в поперечном сечении каналы (5) для подачи охлаждающей жидкости. Каналы (5) выходят в протоки рубашки охлаждения (6) и на верхнюю поверхность (7) блока цилиндров. Каждый из парно пересекающихся каналов (5) расположен осью (8) под углом к верхней плоскости (7) блока цилиндров со значением, лежащим в диапазоне 32÷34°. Расстояние А пересечения осей (8) каждой пары пересекающихся каналов (5) с верхней плоскостью (7) блока цилиндров составляет значение, лежащее в диапазоне 68÷76% диаметра цилиндров. Точка пересечения (9) между собой осей (8) каждой пары пересекающихся каналов (5) в межцилиндровой перемычке расположена от верхней плоскости (7) блока цилиндров на расстоянии Б. Расстояние Б превышает расстояние В от плоскости геометрической середины первого кольца поршня до верхней плоскости ...

ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ С ЖИДКОСТНЫМ ОХЛАЖДЕНИЕМ И СПОСОБ ЕГО ЭСКСПЛУАТАЦИИ

... 1. Двигатель (1) внутреннего сгорания с жидкостным охлаждением, имеющий, по меньшей мере, одну головку (1а) блока цилиндров и один блок (1b) цилиндров, причем, по меньшей мере, одна головка (1а) блока цилиндров снабжена, по меньшей мере, одной интегрированной рубашкой охлаждения, которая на входной стороне имеет первое впускное отверстие (2а) для подачи хладагента, а на выходной стороне - первое выпускное отверстие (3а) для слива хладагента, блок (1b) цилиндров снабжен, по меньшей мере, одной интегрированной рубашкой охлаждения, которая на входной стороне имеет второе впускное отверстие (2b) для подачи хладагента, а на выходной стороне - второе выпускное отверстие (3b) для слива хладагента, при этом для формирования контура охлаждения выпускные отверстия (3а, 3b) выполнены с возможностью соединения с впускными отверстиями (2а, 2b) через рециркуляционную магистраль (5), в которой установлен теплообменник (6), и на указанной входной стороне предусмотрен насос (17) подачи хладагента, причем ...

УСТРОЙСТВО ДЛЯ ПОДАЧИ ВОЗДУХА, В ЧАСТНОСТИ ВПУСКНОЙ ВОЗДУХОРАСПРЕДЕЛИТЕЛЬНЫЙ ТРУБОПРОВОД, ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

ДBИГATEЛЬ BHУTPEHHEГO CГOPAHИЯ C MACЛЯHЫM OXЛAЖДEHИEM

Motorkühlsystem für ein Fahrzeug

Motorkühlsystem für ein Fahrzeug, aufweisend eine Kühleinheit, die Kühlmittel durch eine Kühlleitung hindurch zirkuliert, die einen Wassermantel, eine Wasserpumpe und einen Kühler eines Motors verbindet, um den Motor zu kühlen, und eine Nebenkühleinheit, die wahlweise Kühlmittel durch eine Nebenkühlleitung hindurch zirkuliert, die den Motor mit einem Kühlaggregat derart verbindet, dass der Motor gekühlt wird.

Motorkühlsystem

Ein Motorkühlsystem zum separaten Kühlen eines Zylinderkopfs und eines Zylinderblocks kann aufweisen: einen Zylinderblock, welcher ausgehend von einer Motorvorderseite zu einer Motorrückseite Zylinder angeordnet hat, mit einem Block-Wassermantel (210), der darin um die Zylinder herum geformt ist, einen Zylinderkopf, welcher an einer Oberseite des Zylinderblocks befestigt ist, mit einem Kopf-Wassermantel (200), welcher darin ausgehend von der Motorvorderseite zur Motorrückseite geformt ist, eine Wasserpumpe, welche zum Pumpen des Kühlmittels zu einer Vorderseite des Block-Wassermantels (210) an der Vorderseite des Zylinderblocks angebracht ist, und ein Kühlmittelsteuerventil, welches an einer Rückseite des Zylinderblocks und des Zylinderkopfs angeordnet ist, um ein erstes Ende mit einem hinteren Ende des Block-Wassermantels (210) und ein zweites Ende mit einem hinteren Ende des Kopf-Wassermantels (200) zum Zugeführt-Bekommen des Kühlmittels verbunden zu haben.

ZYLINDERKOPF EINER INTERNEN BRENNKRAFTMASCHINE

Es wird eine Kraftmaschine mit einem Zylinderkopf, der eine von einer Auslassfläche umgebene Brückenregion aufweist, einem die Auslassfläche schneidenden Auslasskanal und einem mit dem Auslasskanal strömungsverbundenen und die Auslassfläche schneidenden Abgasrückführungskanal (AGR) bereitgestellt. Der Kopf definiert einen oberen Kühlmantel mit einem Hohlraum oder Fluidkanal, der sich vom Mantel in Richtung der Kopfdeckfläche und zu einer geschlossenen Stirnwand innerhalb der Brückenregion erstreckt. Der Zylinderkopf wird durch Leiten von Kühlmittel von einem unteren Mantel über einen Bohrkanal benachbart einer Auslassfläche des Kopfes zu einem oberen Mantel, wobei Kühlmittel, das den Bohrkanal verlässt, in den Fluidkanal oder den Hohlraum entlang der Rippe abgeleitet wird. Kühlmittel wird dann von dem Fluidkanal in den AGR-Kühlmittelkanal, der durch den der Auslassfläche benachbarten und um den AGR-Kanal liegenden oberen Mantel gebildet wird, geleitet.

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.

Reciprocating piston internal combustion engine with lubricating oil cooling

In a reciprocating piston internal combustion engine in which cooling ducts (6) carrying the lubricating oil enclose the cylinder, of which there is at least one, the intermediate wall (2) between the cooling duct (6) on one side and the cylinder running surface (3) on the other is designed to permit the passage of oil (bores 8) in the area of the oil scraper ring (7) of the piston (4). ...

Kühlvorrichtung für Mehrzylindermotor

Ein Zylinderblock (3) umfasst einen Einlassabschnitt (36), einen schmalen Abschnitt (42) und einen geneigten Abschnitt (43). Ein Zylinderkopf umfasst einen kopfseitigen Ablassabschnitt. Der Einlassabschnitt (36) ist an der Seite des ersten Zylinders (Nr. 1) einer Zylinderanordnung ausgebildet und leitet Kühlmittel zu einem blockseitigen Kühlmantel (33) ein. Der schmale Abschnitt (42) ist in der Nähe des Einlassabschnitts (36) ausgebildet und beschränkt ein Strömen des durch den Einlassabschnitt (36) eingeleiteten Kühlmittels zu einem einlassseitigen Kanal (35) des blockseitigen Kühlmantels (33). Der geneigte Abschnitt (43) ist in der Nähe des Einlassabschnitts (36) ausgebildet und leitet das durch den Einlassabschnitt (36) eingeleitete Kühlmittel hin zu dem Zylinderkopf. Der kopfseitige Ablassabschnitt ist an der Seite des vierten Zylinders (Nr. 4) der Zylinderanordnung ausgebildet und lässt das Kühlmittel von einem kopfseitigen Kühlmantel ab. An der Zylinderkopfseite des geneigten Abschnitts ...

Abgaskrümmer

Cooling system two-stroke spark-ignition internal combustion engine

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

Fahrzeug

Ein Fahrzeug (1) weist einen Kühler (24), eine Umgehungspassage (100m), ein erstes Ventil (18), ein zweites Ventil (22) und eine Steuerung (40) auf. Kühlwasser wird unabhängig von einem Zylinderblock (14) und einem Zylinderkopf (16) eines Motors durch den Kühler (24) hindurchgeleitet. Der Kühler (24) kühlt das Kühlwasser. Das Kühlwasser zirkuliert durch die Umgehungspassage (100m) unter Umgehung des Kühlers (24). Das erste Ventil (18) schaltet zwischen einem geöffneten Zustand, in dem Kühlwasser durch den Zylinderblock (14) zirkuliert, und einem geschlossenen Zustand um, in dem kein Kühlwasser durch den Zylinderblock (14) zirkuliert. Dem zweiten Ventil (22) wird durch den Zylinderkopf (16) zirkuliertes Kühlwasser zugeführt sowie durch den Zylinderblock (14) zirkuliertes Kühlwasser über das erste Ventil (18) zugeführt. Das zweite Ventil (22) verwendet ein zwischengeordnetes Öffnungsausmaß zum Einstellen einer Strömungsrate des Kühlwassers, das durch den Kühler (24) und die Umgehungspassage ...

Flüssigkeitsgekühlte Brennkraftmaschine

Brennkraftmaschine (1) mit mindestens einem flüssigkeitsgekühlten Zylinderkopf (2) und einem flüssigkeitsgekühlten Zylinderblock (3) zur Ausbildung mindestens eines Zylinders (1a), bei der- jeder Zylinder (1a) einlassseitig mindestens eine Einlassöffnung zum Zuführen von Verbrennungsluft via Ansaugsystem und auslassseitig mindestens eine Auslassöffnung zum Abführen der Abgase via Abgasabführsystem aufweist,- der Zylinderblock (3) mit mindestens zwei integrierten Kühlmittelmänteln (3a, 3b) ausgestattet ist, wobei ein erster blockzugehöriger Kühlmittelmantel (3a) auslassseitig vorgesehen ist und über eine Zuführöffnung (4) zum Zuführen von Kühlmittel verfügt und ein zweiter blockzugehöriger Kühlmittelmantel (3b) einlassseitig vorgesehen ist und über eine Abführöffnung (5) zum Abführen des Kühlmittels verfügt, und- der mindestens eine Zylinderkopf (2) mit mindestens einem integrierten Kühlmittelmantel (2a, 2b) ausgestattet ist, wobei mindestens ein kopfzugehöriger Kühlmittelmantel (2a, 2b) ...

Kühlsystem für einen Verbrennungsmotor und ein WHR-System

Die vorliegende Erfindung betrifft ein Kühlsystem für einen Verbrennungsmotor (2) und ein WHR-System. Eine Steuereinheit (8) empfängt Information über einen Parameter, der den Kühlbedarf des Verbrennungsmotors (2) betrifft. Wenn nahezu kein Kühlbedarf des Verbrennungsmotors (2) besteht, steuert die Steuereinheit (8) drei Ventilvorrichtungen (4, 20, 23) derart, dass diese das Kühlsystem in einen ersten Kreis, in welchem eine erste Kühlmittelpumpe (3) einen nicht gekühlten Kühlmittelfluss von der Radiator-Umgehungsleitung (6) zu dem Verbrennungsmotor (2) bereitstellt, und einen zweiten Kreis teilen, in welchem eine zweite Kühlmittelpumpe (21) einen gekühlten Kühlmittelfluss von dem Radiator (5) zu einem Kondensator (15) des WHR-Systems und über eine Motor-Umgehungsleitung (19) bereitstellt. Das Vorhandensein der Motor-Umgehungsleitung (19) und der zweiten Kühlmittelpumpe (21) ermöglichen es, die Temperatur und den Fluss des Kühlmittels, das zu dem Kondensator (15) geleitet wird, mit einer ...

Zylinderblock für einen Verbrennungsmotor

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

Steuern des Durchflusses einer Kühlflüssigkeit durch ein Kühlsystem eines Verbrennungsmotors

Beispiele für Techniken zur Steuerung des Durchflusses eines Kühlmittels durch ein Kühlsystem eines Verbrennungsmotors werden offenbart. In einer beispielhaften Implementierung beinhaltet ein Verfahren das Berechnen, über ein informationsverarbeitendes Gerät, einer Bereichs-Mindestdurchflussmenge des Kühlmittels für einen Bereich eines Kühlsystems des Verbrennungsmotors. Das Verfahren beinhaltet ferner das Umwandeln, durch das informationsverarbeitende Gerät, der Bereichs-Mindestdurchflussmenge in eine gewünschte Stellgliedposition für ein Durchflussregelventil, um es dem Durchflussregelventil zu ermöglichen, dem Bereich des Kühlsystems die Bereichs-Mindestdurchflussmenge des Kühlmittels bereitzustellen. Das Verfahren beinhaltet ferner, über das informationsverarbeitende Gerät, das Durchflussregelventil von einer aktuellen Stellgliedposition in die gewünschte Stellgliedposition zu stellen.

DOUBLE ACTING RECIPROCATING PISTON PUMP

BRENNKRAFTMASCHINE MIT ZUMINDEST EINEM FLUESSIGKEITSGEKUEHLTEN ZYLINDER

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

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

Kühlvorrichtung für einen Verbrennungsmotor

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

KUEHLUNG FUER EINEN DIESELMOTOR

Fluessigkeitsgekuehlte Hubkolbenbrennkraftmaschine

Fluessigkeitsgekuehlte mehrzylindrische Brennkraftmaschine

Cylinder bore wall heat insulation device, internal combustion engine and vehicle

Engine cylinder block

A cooling assembly

Improvements in Cylinder-watercooling Arrangements in Internal combustion Engines and the like.

... 21,659. Webber, H. Oct. 2. Cylinders, construction of and cooling.-The liner L has a continuous flange at its front end and an interrupted flange at its back end, while the jacket W is of uniform bore. The combustion head C has two semicylindrical water spaces which communicate through the interrupted flange with the main water space. Sheet packing P<1>, P<2> is used at both ends of the jacket W. Reference has been directed by the Comptroller to Specification 103/91.

LIQUID-COOLED INTERNAL COMBUSTION ENGINES

... 1372307 Liquid - cooled I C engine cylinders DAIMLER-BENZ AG 24 Aug 1972 [1 Sept 1971] 39542/72 Heading F1B A cylinder head 7 is secured by studs to a crank-case 2 with an interposed non-resilient spacer plate 8. The radial flange 3 of a watercooled liner 4 rests directly on the crank-case surface 1 and a tube 17 defines a water passage between head and crank-case chambers 11 and 12. The radial tube flange 18 is sealed with respect to the head and crank-case surfaces 6 and 1 by annular seals 19 and 20. The ends 15 and 16 of the tube 17 are axially slidable in the bores 13 and 14. A metallic gasket 5 provides a seal between the liner flange 3 and the head surface 6. Reference has been directed by the Comptroller to Specification:- 1087511.

COOLING ARRANGEMENTS FOR AN INTERNAL COMBUSTION ENGINE

... 1399555 Cooling I C engines SULZER BROS Ltd 15 Dec 1972 [15 Dec 1971] 58059/72 Heading F1B An I.C. engine comprises a cylinder liner 2 containing coolant passages or bores 5 divided into groups, the passages of a group being connected in series by connecting passages 10 and 13, and there being coolant supply passages 8 and receiving passages 12 within ring means 7 and 11. The ring means may consist of a complete ring, a ring divided into segments or a series of plate like members forming a polygon. Each group of series connected bores A may have its individual supply and receiving passages or may share supply and receiving passages with adjacent groups, Figs. 3, 5 (not shown). The bores 5 may be oblique with respect to the axis of the cylinder, so that their axes be on the surface of a hyperboloid.

Cooling apparatus for an internal combustion engine of a vehicle

Energy generation systems

ENGINE COOLING SYSTEM

RECIPROCATING IC ENGINE

Flow control devices for engine cooling systems

Flow control devices for engine cooling systems

A flow controller 200 for an engine cooling system has a chamber 210 to receive coolant flowing through the system. First and second apertures 224,234 have respective first and second vales 220,230 that control flow of coolant into or out of the chamber based upon the coolant pressure. Ideally the first and second valves are pressure relief valves having respective valve elements 222,232 and springs 226,236. The valves may include bleed channels to permit coolant to pass through when the valves are closed. A cooling system 100 is also claimed in which the chamber is fluidly connected (e.g. mounted) to a coolant inlet or outlet of an engine housing 10. The system ideally couples the first aperture to: a radiator 120 via a thermostatically controlled valve 136; a first group of engine components 20 (cylinder head 22 and exhaust manifold 24); and to a bypass duct 13, and drives a pump 110 based on coolant temperature to affect coolant pressure - and thus flow - through the apertures. The second ...

IMPROVEMENTS RELATING TO CYLINDER JACKETS FOR TWO-STROKE INTERNAL COMBUSTION ENGINES

A cooling assembly

Energy generation systems

LIQUID COOLED DIESEL CYCLE INTERNAL COMBUSTION ENGINES

... 1488438 Liquid cooling IC engines FIAT SpA 8 Dec 1975 [19 Dec 1974] 50259/75 Heading F1B A common passage 6a, 6b supplies cooling water to respective cooling spaces 14 between the cylinders 1, 2 and the outer wall of the cylinder block 12a, 12b and the inlets 8 to the spaces are defined by respective collars 8 projecting from the cylinder block wall. The inner diameters of the collars 8 may be different for each cylinder to provide the required degree of cooling. Openings 9 in the block are aligned with openings in the head 13 for flow of water to head cavity 15, outlet 16 and return to a radiator via a pipe 11. A rotary vane pump 3 pumps water through a conduit 4 to inlets 5a, 5b of the passages 6a, 6b.

Oil pump for an aged engine

An oil pump for an engine is disclosed. The oil pump may include a first pump mechanism configured to supply oil to a main lubrication gallery of the engine, and a second pump mechanism configured to supply oil to a piston cooling gallery of the engine. The first pump mechanism may be designed for a first type of engine and the second pump mechanism may be designed for a second type of engine. The first type of engine may have a greater quantity of cylinders than the second type of engine.

COOLING MECHANISMS FOR ROTARY VALVE CYLINDER ENGINES

LIQUID-COOLED INTERNAL-COMBUSTION ENGINE

FLÜSSIGKEITSGEKÜHLTE BRENNKRAFTMASCHINE

COMBUSTION ENGINE

COOLING SYSTEM FOR MACHINES AND PROCEDURE WITH TEMPERATURE-CONTROLLED PRESSURE BALANCE CHAMBER

Zylinderkopf für eine Brennkraftmaschine

Die Erfindung betrifft einen Zylinderkopf (1) für eine Brennkraftmaschine mitzumindest einem feuerdeckseitigen ersten Kühlraum (5a) und einem inZylinderachsrichtung an den ersten Kühlraum (5a) anschließenden zweitenKühlraum (5b), wobei erster und zweiter Kühlraum (5a, 5b) durch einZwischendeck (7) voneinander getrennt sind, wobei pro Zylinder (Z) eine zentraleAufnahme (4) für eine Einspritzdüse oder Zündeinrichtung angeordnet ist, undwobei im Bereich der zentralen Aufnahme (4) der erste und der zweite Kühlraum(5a, 5b) miteinander strömungsverbunden sind, mit zumindest zwei, vorzugsweisevier, Gaswechselventilöffnungen (2, 3) pro Zylinder (Z), wobei der erste Kühlraum(5a) im Bereich zumindest einer Ventilbrücke (20, 21, 22, 23) zwischen zweiGaswechselventilöffnungen (2, 3) einen radialen Kühlkanal (11, 12, 13, 14)aufweist. Um auf möglichst einfache Weise die Strömungsaktivität inbenachteiligten Strömungsbereichen zu verbessern, ist vorgesehen, dass derradiale Kühlkanal (11, 12, 13, 14) in ...

FLÜSSIGKEITSGEKÜHLTER ZYLINDERBLOCK

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

CENTRAFTMASHINES WITH ZUMINDEST A CYLINDER

Die Erfindung betrifft einen Zylinderkopf (1) für eine Brennkraftmaschine mit zumindest einem Zylinder (16), insbesondere mit einem Top-Down-Kühlsystem, mit einem an ein Zwischendeck (4) grenzenden, brennraumfernen ersten Teilkühlraum (2) und einem an ein Feuerdeck (5) grenzenden, brennraumnahen zweiten Teilkühlraum (3), wobei das Zwischendeck (4) zwischen dem ersten Teilkühlraum (2) und dem zweiten Teilkühlraum (3) angeordnet ist, und wobei im Bereich einer zentralen Aufnahme (10) für eine Einspritz- oder Zündeinrichtung zumindest eine vorzugsweise ringförmige erste Übertrittsöffnung (11) zwischen dem ersten Teilkühlraum (2) und dem zweiten Teilkühlraum (3) angeordnet ist, wobei vorzugsweise die zentrale Aufnahme (10) konzentrisch zu einer Zylinderachse (16a) des Zylinders ausgebildet ist. Zur Verbesserung der Kühlung in thermisch hochbeanspruchten Teilen des Zylinderkopfes (1) ist vorgesehen, dass im Bereich zumindest einer Ventilbrücke (8a, 8b, 8c, 8d) zwischen zwei benachbarten Gaswechselventilen ...

FLÜSSIGKEITSGEKÜHLTER ZYLINDERBLOCK

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

BRENNKRAFTMASCHINE

Die Erfindung betrifft eine Brennkraftmaschine mit zumindest einem Zylinder (3), zumindest einem Zylinderkopf (1) und einem Kurbelgehäuse (2), wobei der Zylinderkopf (1) eine Kühlmantelanordnung zur Flüssigkeitskühlung aufweist und das Kurbelgehäuse (2) einen Kurbelgehäusekühlmantel (30) zur Flüssigkeitskühlung aufweist und der Kühlmantelanordnung des Zylinderkopfs (1) und der Kurbelgehäusekühlmantel (30) in zumindest einem Kühlmittelkreis angeordnet sind und ein Stellglied (8) zur Steuerung eines Kühlmittelstromes (K) in Strömungsrichtung nach der Kühlmantelanordnung des Zylinderkopfes (1) angeordnet ist. Aufgabe der vorliegenden Erfindung ist es, die Kühlung der thermisch kritisch beanspruchten Bereiche der Brennkraftmaschine zu verbessern. Diese Aufgabe wird durch die vorliegende Brennkraftmaschine erfindungsgemäß dadurch gelöst, dass der Zylinderkopf (1) einen ersten Kühlmantel (10) und einen zweiten Kühlmantel (20), der zwischen dem ersten Kühlmantel (10) und einem Feuerdeck (5) angeordnet ...

KÜHLSYSTEM FÜR EINE BRENNKRAFTMASCHINE

Die Erfindung betrifft ein Kühlsystem (100) für eine Brennkraftmaschine (20), die Zylinderkopf (21), Zylinderblock (22) und mehrere Zylinder (23) aufweist, wobei zumindest ein im Zylinderkopf (21) angeordneter Kopfkühlmantel (K), der mit mindestens einem Kühlmitteleintritt (1) und zumindest einem Kopfkühlmittelaustritt (10) strömungsverbunden ist, und im Zylinderblock (22) angrenzend an den Zylinderkopf (21) ein oberer Blockkühlmantel (11) und auf einer vom Zylinderkopf (21) abgewandten Seite des oberen Blockkühlmantels (11) ein unterer Blockkühlmantel (15) vorgesehen sind, wobei der obere Blockkühlmantel (11) mit einem ersten Blockkühlmittelaustritt (14) und der untere Blockkühlmantel (15) mit einem zweiten Blockkühlmittelaustritt (17) strömungsverbunden oder strömungsverbindbar ist und der untere Blockkühlmantel (15) und/oder der obere Blockkühlmantel (11) mit dem Kopfkühlmantel (K) über zumindest einen Strömungsverbindungskanal (8a, 16, 29) strömungsverbunden oder strömungsverbindbar ...

Liquid cooled internal combustion engine with sleeve member

Die Erfindung betrifft eine flüssigkeitsgekühlte Brennkraftmaschine (1) umfassend einen Zylinderblock (2) mit zumindest einen oder mehreren Zylindern (3), zumindest einen Zylinderkopf (4) und einer zwischen Zylinderkopf (4) und Zylinderblock (2) angeordneten Zylinderkopfdichtfläche (5), wobei der Zylinderblock (4) einen Blockkühlmantel (6), einen untere Blockleiste (7) und eine obere Blockleiste (8) und der Zylinderkopf (4) zumindest einen Kopfkühlmantel (9) umfasst, wobei der Blockkühlmantel (6) und der Kopfkühlmantel (9) strömungsverbunden sind, wobei die obere Blockleiste (8) und der Blockkühlmantel (6) über zumindest einen ersten Strömungskanal (10) strömungsverbunden sind und die untere Blockleiste (7) und der Kopfkühlmantel (9) über zumindest einen zweiten Strömungskanal (11) strömungsverbunden sind, wobei der zweite Strömungskanal (11) zumindest abschnittsweise als Hülsenelement (12) ausgebildet ist. Die Erfindung betrifft des Weiteren ein Verfahren zur Herstellung eines Zylinderblocks ...

WATER-COOLED LIFTING CYLINDER INTERNAL-COMBUSTION ENGINE

ZYLINDERKOPF

ZYLINDERKOPF

Die Erfindung betrifft einen Zylinderkopf (1) mit zumindest einem Kühlmantel für eine Brennkraftmaschine. Eine sichere und platzsparende Querung von Kühlmittel von einer Längsseite zur anderen Längsseite kann ermöglicht werden, wenn der Zylinderkopf (1) zumindest eine vom Kühlmantel getrennte integrierte Kühlmittelquerungsleiste (5) mit einer Eintrittsöffnung (7) und einer Austrittsöffnung (8) aufweist, wobei Eintritts- und Austrittsöffnung (7, 8) auf unterschiedlichen Zylinderkopflängsseiten (12, 13) einer zumindest eine Zylinderachse beinhaltenden Zylinderkopflängsebene (11) angeordnet sind.

Brennkraftmaschine mit einem für mehrere Zylinder gemeinsam ausgebildeten Zylinderkopf

The invention relates to an internal combustion engine (1) having a cylinder head (2) which is configured jointly for a plurality of cylinders (Z) and a liner unit (3) for a plurality of cylinders (Z) which is fastened to the cylinder head (2), wherein a cooling jacket arrangement having at least one cooling jacket (6, 7) is formed into the liner unit (3), which cooling jacket arrangement preferably surrounds the cylinders (Z). In order to avoid deformations of the liner unit (3), it is provided that the liner unit (3) has a clearance with respect to a surrounding cylinder housing (9).

Cylinder head for internal combustion engine of vehicle, has inlet side and outlet side with outlet channel per cylinder, where coolant jacket is arranged in cylinder head

The cylinder head has an inlet side (12) and an outlet side (11) with an outlet channel per cylinder. A coolant jacket (1) is arranged in the cylinder head, where the coolant jacket has a coolant collecting duct (5). The coolant collecting duct extends over the outlet ducts along the cylinder head on the outlet side. The coolant collecting duct is directly connected with a heating circulation system of the vehicle.

ZYLINDERKOPF EINER BRENNKRAFTMASCHINE

Die Erfindung betrifft einen Zylinderkopf (1) einer Brennkraftmaschine mit mehreren Zylindern (2), mit zumindest einem Kühlmantel (3) und zumindest einem sich in Längsrichtung des Zylinderkopfes (1) im Wesentlichen über mehrere Zylinder (2) erstreckenden Kühlmittelabzugskanal (5), der mit dem Kühlmantel (3) im Bereich zumindest eines Zylinders (2) über jeweils zumindest einen Verbindungskanal (4) strömungsverbunden ist, wobei der Kühlmittelabzugskanal (5) im Bereich zumindest eines austrittseitigen Endes (7) zumindest eine Austrittsöffnung (6) aufweist. Um eine einfache Abstimmung der Durchflussquerschnitte der Kühlräume einzelner Zylinder zu ermöglichen, ist vorgesehen, dass im Kühlmittelabzugskanal (5) zumindest eine Trenneinrichtung (9) angeordnet ist, welche den Kühlmittelabzugskanal (5) in Längsrichtung im Bereich zumindest eines Zylinders (2) in zumindest einen ersten Teilraum (10) und zumindest einen zweiten Teilraum (11) teilt, wobei vorzugsweise erster Teilraum (10) und zweiter ...

INTERNAL-COMBUSTION ENGINE WITH AT LEAST TWO LYING ONE BEHIND THE OTHER LIQUID-COOLED CYLINDERS.

Cooling structure for an internal combustion engine

Die Erfindung betrifft eine Kühlungsstruktur (1) für eine Brennkraftmaschine (2) umfassend einen Kühlflüssigkeitsmantel (3), der eine Zylinderanordnung (4) umgibt und durch eine Abtrennung (5) in einen oberen Mantelabschnitt (6) und einen unteren Mantelabschnitt (7) unterteilt ist. Um auf einfache, zuverlässige und kostengünstige Weise eine Abtrennung (5) in einem Kühlflüssigkeitsmantel (3) herstellen zu können ist vorgesehen, dass die Abtrennung (5) durch ein Einlegeelement (8) gebildet ist, das in den Kühlflüssigkeitsmantel (3) eingelegt ist.

BESCHICHTETES GEWEBE AUS MONOAXIAL VERSTRECKTEN KUNSTSTOFFBÄNDCHEN UND DARAUS HERGESTELLTER SACK

WASSERGEKUEHLTE HUBKOLBEN-BRENNKRAFTMASCHINE

Internal combustion engine

FOUR STROKE ENGINE HAVING BLOW-BY VENTILATION SYSTEM AND LUBRICATION SYSTEM

A four stroke internal combustion engine is disclosed having a lubrication system for circulating lubricant within the engine. The engine further includes a system for separating lubricant from blow-by gas within the crank case.

PARTIALLY LIQUID-COOLING TYPE FORCEDLY AIR-COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE

... " PARTIALLY LIQUID-COOLING TYPE FORCEDLY AIR-COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE " In a partially liquid-cooling type forcedly air-cooling system for an internal combustion engine which includes an air-cooled cylinder and a liquid-cooled cylinder head. a centrifugal cooling fan is provided in front of a crankcase so as to rotate about the fore and rear axis thereof, and a cooling air delivery opening is provided at the back portion of a draft chamber within a fan casing which encircles the cooling fan, so as to orientate at least to the cylinder. And a portion. which is arranged at the side of the cylinder head. of the encircling wall of the fan casing is provided with an opening. And the cylinder is adapted to be cooled adequately by the cooling air flow delivered through the opening, as well as a radiator is adapted to be cooled effectively by the cooling air flow passing through the opening provided in the encircling wall of the fan casing so that at least a portion of the ...

INTERNAL COMBUSTION ENGINE

Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. The invention includes a new wrist pin/connecting rod connection (46, 66, 62), a new colling system for fuel injectors (110), a new cylinder head cooling arrangement (154), a new cooling jacket cross-feed arrangement, and a new combustion seal arrangement (338).

FLOW CONTROL DEVICE OF A HELICALLY-SHAPED INTAKE PORT

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

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

CYLINDER HEAD

A cylinder head includes a water jacket. The water jacket includes multiple coolant spaces between combustion chambers adjacent. The multiple coolant spaces include a high-pressure space having relatively high internal pressures and a low-pressure space having relatively low internal pressures. The high-pressure space and the low-pressure space are alternately arranged with each other. The water jacket includes a first lateral passage passing through the low-pressure space and extending in the lateral direction of the cylinder head, and a communication passage passing between an intake valve hole and an exhaust valve hole, and allowing the high-pressure space and the low-pressure space to communicate with each other. A coolant outlet is connected to the first lateral passage. The coolant inlet is connected to the communication passage or the high-pressure space.

CARBURETED ENGINE HAVING AN ADJUSTABLE FUEL TO AIR RATIO

A simple engine, comprises (1) a cylinder, and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.

V-ENGINE COOLING SYSTEM PARTICULARLY FOR OUTBOARD MOTORS

ENGINE COOLING SYSTEM AND METHOD WITH TEMPERATURE-CONTROLLED EXPANSION CHAMBER

In an engine cooling system, an upper coolant chamber (31) and a lower coolant chamber (24) of a typical engine (10), such as an internal combustion engine or fuel cell, are formed adjacent to the heat-emitting components of the engine (14, 27), and a substantially anhydrous, boilable liquid coolant having a saturation temperature higher than that of water is received within the engine coolant chambers (24, 31). A coolant expansion reservoir (76) defining an expansion chamber (80) is coupled in fluid communication between the engine coolant chambers (24, 31) and the engine's ambient atmosphere for receiving coolant from the engine coolant chambers and permitting coolant flow between the expansion chamber and engine coolant chambers with thermal expansion and contraction of the coolant. The expansion reservoir (76) is mounted within a desorption environment (90) formed within the vehicle's engine bay on the exhaust side of the radiator (54) for heating the coolant within the expansion chamber ...

Moteur vertical à combustion interne.

Brennkraftmaschine mit in einen Zylindermantel eingesetzter Laufbüchse.

Kühleinrichtung für Kolbenböden und Zylinderdeckel von Grossbrennkraftmaschinen.

Kühleinrichtung für Brennkraftmaschinen.

Gekühlter Zylinder für Brennkraftkolbenmaschinen

Gekühlter Zylinder für Brennkraftkolbenmaschinen

Arrangement for liquid cooling of thermally stressed walls in an internal combustion engine

INTERNAL-COMBUSTION ENGINE WITH A OF OF KUEHLWASSER FLOWED THROUGH CYLINDER BLOCK.

Liquid-cooled internal combustion engine.

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

Enhanced aviation diesel engine

Cooling system

For internal combustion engine cooling system

Cooling device for internal combustion engine

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

CYLINDER HOUSING.

Головка блока цилиндров (варианты)

1. Головка блока цилиндров, содержащая:участок первой камеры сгорания;нижнюю охлаждающую сердцевину, смежную с участком первой камеры сгорания, причем нижняя охлаждающая сердцевина включает в себя первый охлаждающий канал и второй охлаждающий канал, причем первый охлаждающий канал и второй охлаждающий канал проходят вдоль поперечной оси, при этом по меньшей мере участок первого охлаждающего канала отделен от второго охлаждающего канала посредством первой и второй стенок.2. Головка блока цилиндров по п. 1, дополнительно содержащая направляющую выхлопа внутри головки блока цилиндров и верхнюю охлаждающую сердцевину.3. Головка блока цилиндров по п. 2, в которой первый охлаждающий канал расположен на первой стороне направляющей выхлопа, а верхняя охлаждающая сердцевина расположена на второй стороне направляющей выхлопа.4. Головка блока цилиндров по п. 1, в которой первая и вторая стенки расположены на выпускной стороне первой камеры сгорания.5. Головка блока цилиндров по п. 1, в которой второй охлаждающий канал покрывает расстояние между двумя направляющими выпускного клапана первой камеры сгорания.6. Головка блока цилиндров по п. 1, дополнительно содержащая участок второй камеры сгорания, причем нижняя охлаждающая сердцевина направляет тепло из второй камеры сгорания и включает в себя третий охлаждающий канал, при этом первый охлаждающий канал и третий охлаждающий канал проходят вдоль поперечной оси, причем по меньшей мере участок первого охлаждающего канала отделен от третьего охлаждающего канала посредством третьей и четвертой стенок.7. Головка блока цилиндров по п. 6, в которой первая камера сгорания являе РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F02F 1/40 (11) (13) 139 942 U1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ТИТУЛЬНЫЙ (21)(22) Заявка: ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2013111311/06, 13.03.2013 (24) Дата начала отсчета срока действия патента: 13.03.2013 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): БЕЙЕР Теодор (US ...

Impingement cooling of cylinders in opposed-piston engines

A cylinder cooling construction includes a cylinder liner with a sidewall, exhaust and intake ports opening through the sidewall, a bore, and a plurality of feed channels that are formed with and extend along the sidewall from a central band of the cylinder toward the exhaust and intake ports. A sleeve covering the sidewall includes a plurality of impingement jet ports that are arranged in at least one sequence extending around the central band and that are in liquid communication with the plurality of feed channels. An annular member disposed between the liner and the sleeve reinforces the central band. The sleeve further includes an inside surface with spaced-apart annular recesses that with the sidewall define liquid coolant reservoirs in the vicinity of the ports that are in liquid communication with the feed channels. Channels through bridges of exhaust port have first ends in liquid communication with the coolant reservoir in the vicinity of the exhaust port and second ends that open through a portion of an exhaust end of the cylinder.

Cylinder head having egr gas cooling structure, and method for manufacturing same

It has been difficult to manufacturing a cylinder head having an EGR gas cooling structure which has high cooling performance and can be easily configured. A cylinder head having an EGR gas cooling structure is configured in such a manner that a gas passage which guides to the air intake port side a part of the exhaust gas discharged from the exhaust port is disposed within the cylinder head water jacket to cool the exhaust gas flowing through the gas passage. The gas passage comprises a cooling section which makes contact with the coolant within the cylinder head water jacket, and also comprises a hollow pipe which has high-strength sections located at side portions of the cooling section and having higher strength than the cooling section. The high-strength sections of the gas passage are molded within and surrounded by the cylinder head.

INTERNAL COMBUSTION ENGINE AND WATER OUTLET STRUCTURE OF INTERNAL COMBUSTION ENGINE

A water outlet structure of an internal combustion engine includes a water outlet and a thermostat. The water outlet includes a cooling-water inflow portion, a radiator outflow passage, and a bypass passage. The cooling-water inflow portion is provided to face a cooling-water outlet of a cylinder head. Cooling water is to flow out to a radiator through the radiator outflow passage. The radiator outflow passage linearly extends from the cooling-water inflow portion. The bypass passage linearly and obliquely extends from the cooling-water inflow portion to provide a water flow at an acute angle to a water flow in the radiator outflow passage. The thermostat is provided integrally with the water outlet and includes a thermo housing provided downstream of the bypass passage. 1. A water outlet structure of an internal combustion engine , comprising: a cooling-water inflow portion provided to face the cooling-water outlet of the cylinder head;', 'a radiator outflow passage through which cooling water is to flow out to a radiator, the radiator outflow passage linearly extending from the cooling-water inflow portion; and', 'a bypass passage linearly and obliquely extending from the cooling-water inflow portion to provide a water flow at an acute angle to a water flow in the radiator outflow passage; and, 'a water outlet provided to be attached to a cooling-water outlet provided at an end of a cylinder head of the internal combustion engine in a cylinder arrangement direction of the internal combustion engine, the water outlet comprisinga thermostat provided integrally with the water outlet and including a thermo housing provided downstream of the bypass passage.2. The water outlet structure of the internal combustion engine according to claim 1 , wherein the thermostat includes a passage valve provided in the thermo housing to be opened and closed by being moved in a direction in which the bypass passage extends.3. The water outlet structure of the internal combustion ...

COOLING SYSTEM FOR PISTON OF INTERNAL COMBUSTION ENGINE

A cooling system for a piston of an internal combustion engine includes a cooling channel () designed as an oil passage embedded in the piston and arranged adjacent to a top ring groove, and an oil supply portion () that supplies oil to the cooling channel. An amount of oil supplied from the oil supply portion to the cooling channel is made larger when an amount of heat generated in a combustion chamber is large than when the amount of heat generated in the combustion chamber is small. 1. A cooling system for a piston of an internal combustion engine , comprising:a piston that includes a top ring groove provided in an outer peripheral face of the piston and fitted with a top ring, and a cooling channel designed as an oil passage embedded in the piston and located adjacent to the top ring groove;an oil supply portion that supplies oil to the cooling channel; anda control portion that increases an amount of oil supplied from the oil supply portion to the cooling channel as an amount of heat generated in a combustion chamber increases.2. The cooling system for the piston of the internal combustion engine according to claim 1 , wherein the control portion stops supplying oil from the oil supply portion to the cooling channel when the amount of heat generated in the combustion chamber is equal to or smaller than a predetermined lower limit.3. The cooling system for the piston of the internal combustion engine according to claim 1 , wherein the control portion increases the amount of oil supplied from the oil supply portion to the cooling channel as an amount of fuel injection increases.4. The cooling system for the piston of the internal combustion engine according to claim 1 , wherein the control portion increases the amount of oil supplied from the oil supply portion to the cooling channel as an engine speed and an engine load increase.5. The cooling system for the piston of the internal combustion engine according to any one of to claim 1 , wherein the cooling channel ...

Coolant Jacket for a Liquid-Cooled Cylinder Head

A coolant jacket is provided for a liquid-cooled cylinder head for an internal combustion engine having a crankcase. The cylinder head has a gas exchange intake side having two gas exchange intake valves and a gas exchange exhaust side having two gas exchange exhaust valves. A fuel injection valve is provided on the intake side and an ignition device is provided on the exhaust side between the gas exchange valves. The coolant jacket extends as a first partial coolant jacket on the exhaust side, coming from the crankcase, between the gas exchange exhaust valves and then radially outside around the ignition device and the fuel injection valve and further in the direction of the intake side and the crankcase. Optimal cooling of the ignition device and the fuel injection valve is achieved which enables high specific powers and pressures leading to fuel consumption and cost advantages. 1. A coolant jacket for a liquid-cooled cylinder head for an internal combustion engine having a crankcase , the cylinder head having a gas exchange intake side with two gas exchange intake valves and a gas exchange outlet side with two gas exchange outlet valves , a fuel injection valve on the intake side of the cylinder head and an ignition device on the outlet side of the cylinder head are arranged between the gas exchange intake and outlet valves , the coolant jacket comprising: the first partial coolant jacket extends on the outlet side, coming from the crankcase, between the gas exchange outlet valves,', 'the first partial coolant jacket then extending radially outside around the ignition device and the fuel injection valve, and', 'the first partial coolant jacket then further extending in a direction of the intake side and the crankcase., 'a first partial coolant jacket, wherein'}2. The coolant jacket according to claim 1 , wherein the cylinder head has a gas exchange outlet channel on the gas exchange outlet side claim 1 , the coolant jacket further comprising:a second partial ...

COOLING DEVICE FOR ENGINE

A cooling device A includes an engine A provided with W/Js , and A, and a first control valve . The W/J is provided at an intake side in a cylinder block A. The W/J is provided at an exhaust side in the cylinder block A. The W/J A diverges from a given position of the W/J . Also, the W/J A is provided toward the exhaust side through the intake side of the cylinder head A. The first control valve makes the coolant flowing state changeable between a state where the coolant is caused to flow in the W/J and a state where the coolant is caused to flow in the W/Js and A. 1. An engine cooling device comprising:an engine including a cylinder block, a cylinder head, an intake side cooling medium passage, an exhaust side cooling medium passage, and a divergent cooling medium passage; anda first state change portion;wherein the intake side cooling medium passage is provided at an intake side in the cylinder block, and is provided in such a direction as to arrange a plurality of bores provided in the cylinder block,the exhaust side cooling medium passage is provided at an exhaust side in the cylinder block, is independent of the intake side cooling medium passage, and is provided in such a direction as to arrange the plurality of the bores,the divergent cooling medium passage diverges from a given position of the intake side cooling medium passage, is provided from the intake side cooling medium passage toward the exhaust side of the cylinder head through the intake side of the cylinder head, and is provided at the exhaust side in such a direction as to arrange the plurality of the bores, andthe first state change portion makes a cooling medium flowing state changeable between a state where the cooling medium is caused to flow in the intake side cooling medium passage and a state where the cooling medium is caused to flow in the intake side cooling medium passage and the divergent cooling medium passage, selected from the intake side cooling medium passage and the divergent ...

ENGINE COOLING APPARATUS

A cooling apparatus is equipped with a cylinder block in which is provided and a cylinder head in which is provided. The first causes cooling water to flow through an exhaust-side portion of the cylinder block. Further, the first causes the cooling water to flow through an exhaust-side portion of the cylinder head including a predetermined region around a spark plug. The second is incorporated into a second circulation path different from a first circulation path into which the first is incorporated. The second causes the cooling water to flow through an intake-side portion of the cylinder block. Further, the second causes the cooling water to flow through an intake-side portion of the cylinder head. 1. An engine cooling apparatus comprising:a cylinder block and a cylinder head in which a first cooling medium path and a second cooling medium path through which a cooling medium is caused to flow are provided,the first cooing medium path causing the cooling medium to flow through an exhaust-side portion of the cylinder block and thereafter causing the cooling medium to flow through an exhaust-side portion of the cylinder head including a predetermined region around a spark plug provided to the cylinder head, andthe second cooling medium path being incorporated into a cooling medium circulation path different from that into which the first cooling medium path is incorporated, and causing the cooling medium to flow through an intake-side portion of the cylinder block and thereafter causing the cooling medium to flow through an intake-side portion of the cylinder head.2. The engine cooling apparatus according to claim 1 , further comprising cooling medium control means that causes the cooling medium to flow through the first cooling medium path when the cooling medium is circulated through the engine and makes a flow rate of the cooling medium that flows through the second cooling medium path at low or medium load lower than that at high load.3. The engine cooling ...

LIQUID COOLED INTERNAL COMBUSTION ENGINE WITH COOLANT CIRCUIT, AND METHOD FOR OPERATION OF THE LIQUID COOLED INTERNAL COMBUSTION ENGINE

A liquid cooled internal combustion engine having a bypass line with a controllable shut off element so that coolant can bypass the cylinder head in certain engine operating conditions. The bypass line branches off from the coolant circuit upstream of the cylinder head and returns to the coolant circuit downstream of the cylinder head. 1. A liquid cooled internal combustion engine comprising:at least one cylinder head;a coolant circuit comprising at least one coolant jacket integrated into the cylinder head, a feed line for supplying coolant to the coolant jacket, a discharge line for discharging the coolant from the coolant jacket, and a return line having a heat exchanger, the return line having one end coupled to the discharge line and a second end in communication with the feed line; anda bypass line having a shut off element, the bypass line connects the feed line to the discharge line to bypass the cylinder head when the shut off element is in an open state.2. The liquid cooled internal combustion engine of claim 1 , wherein the shut off element is continuously adjustable.3. The liquid cooled internal combustion engine of claim 1 , wherein the shut off element can be switched in a two stage fashion.4. The liquid cooled internal combustion engine of claim 1 , wherein the shut off element is a shut off element that can be controlled by means of an engine controller.5. The liquid cooled internal combustion engine of claim 4 , wherein the shut off element can be controlled as a function of a coolant temperature.6. The liquid cooled internal combustion engine of claim 5 , wherein the shut off element can be further controlled as a function of a component temperature.7. The liquid cooled internal combustion engine of claim 6 , wherein the component temperature is a cylinder head temperature.8. The liquid cooled internal combustion engine of claim 1 , wherein a pump for delivering the coolant is provided in the coolant circuit.9. A method for operating a liquid ...

Impingement Cooling of Cylinders in Opposed-Piston Engines

A cylinder cooling construction includes a cylinder liner with a sidewall, exhaust and intake ports opening through the sidewall, a bore, and a plurality of feed channels that are formed with and extend along the sidewall from a central band of the cylinder toward the exhaust and intake ports. A sleeve covering the sidewall includes a plurality of impingement jet ports that are arranged in at least one sequence extending around the central band and that are in liquid communication with the plurality of feed channels. An annular member disposed between the liner and the sleeve reinforces the central band. The sleeve further includes an inside surface with spaced-apart annular recesses that with the sidewall define liquid coolant reservoirs in the vicinity of the ports that are in liquid communication with the feed channels. Channels through bridges of exhaust port have first ends in liquid communication with the coolant reservoir in the vicinity of the exhaust port and second ends that open through a portion of an exhaust end of the cylinder.

Engine cooling system for vehicle

An engine cooling system for a vehicle may include a cooling unit that circulates coolant through a cooling line connecting a water jacket, a water pump, and a radiator of an engine to cool the engine, and a sub-cooling unit that selectively circulates coolant through a sub-cooling line connecting the engine with a refrigerator so as to cool the engine.

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

A liquid-cooled internal combustion engine having at least one cylinder with a cylinder head in which there are disposed a lower partial cooling chamber adjacent to a fire deck and an upper partial cooling chamber which is flow-connected thereto by way of at least one main overflow aperture. 112-. (canceled)13. A liquid-cooled internal combustion engine , comprising:at least one cylinder having a cylinder head in which there are disposed a lower partial cooling chamber adjacent to a fire deck and an upper partial cooling chamber which is flow-connected thereto by way of at least one main overflow aperture;at least one an inflow duct per cylinder arranged between the upper partial cooling chamber and the lower partial cooling chamber, the at least one inflow duct being flow-connected to the lower partial cooling chamber in a central region of the cylinder.14. The liquid-cooled internal combustion engine of claim 13 , wherein the inflow duct is flow-connected in a region of a cylinder axis to the lower partial cooling chamber via at least one inlet opening.15. The liquid-cooled internal combustion engine of claim 13 , wherein the inflow duct is flow-connected to an inlet duct which is arranged substantially parallel to the cylinder axis and which originates from at least one transfer opening in the fire deck.16. The liquid-cooled internal combustion engine of claim 13 , wherein the inflow duct is arranged in a manner of a hook.17. The liquid-cooled internal combustion engine of claim 13 , wherein the inflow duct is arranged at least in sections substantially normally to the cylinder axis.18. The liquid-cooled internal combustion engine of claim 13 , further comprising an upper separating wall arranged between the inflow duct and the upper partial cooling chamber.19. The liquid-cooled internal combustion engine of claim 13 , further comprising a receiving trimming for a central component connected to the fire deck and a bottom separating wall.20. The liquid-cooled ...

INDEPENDENT COOLING OF CYLINDER HEAD AND BLOCK

Various systems are provided for liquid-cooling of an internal combustion engine. In one example, an internal combustion engine includes a cylinder head, a cylinder block coupled to the cylinder head, a first return line fluidically coupled to the cylinder head and to a coolant valve and including a heat exchanger configured to remove heat from coolant, a second return line fluidically coupled to the cylinder block and to the coolant valve, a bypass line branching off from the first return line and fluidically coupled to the coolant valve, and an originating supply line fluidically coupled to the cylinder head, the cylinder block, and the coolant valve, the originating supply line including a pump configured to supply coolant. The coolant valve is configured to control coolant flow through the coolant lines via rotational selection of one of a plurality of working positions. 1. A liquid-cooled internal combustion engine , comprising:at least one cylinder head including at least one integrated coolant jacket, the at least one integrated coolant jacket having at an inlet side a first supply opening and at an outlet side a first discharge opening, the first supply opening configured to receive coolant, the first discharge opening configured to discharge coolant;a cylinder block including at least one integrated coolant jacket, the at least one integrated coolant jacket having at the inlet side a second supply opening and at the outlet side a second discharge opening, the second supply opening configured to receive coolant, the second discharge opening configured to discharge coolant;a coolant valve;a first return line including a heat exchanger, the first return line connecting the first discharge opening to the coolant valve;a second return line connecting the second discharge opening to the coolant valvea supply line including a pump configured to deliver coolant to the first supply opening, the second supply opening, and the integrated coolant jackets, the supply ...

WATER-COOLED ENGINE

A water-cooled engine includes first connection paths continuous with a cylinder-head-side water jacket and a second connection path continuous with a cylinder-body-side water jacket. The paths are disposed in a sidewall of a cylinder body. A thermostat valve is attached to the sidewall. An oil cooler having a cooling water lead-in pipe and a cooling water lead-out pipe is attached to one sidewall of an engine main body to face the same direction as that of the thermostat valve. The cooling water lead-in pipe and the cooling water lead-out pipe are connected to the thermostat valve. 1. A water-cooled engine , comprising:a cylinder-body-side water jacket disposed in a cylinder body that is coupled to a crankcase rotatably supporting a crankshaft and has a cylinder bore;a cylinder-head-side water jacket disposed in a cylinder head coupled to the cylinder body;a water pump configured to circulate cooling water between the cylinder-body-side and cylinder-head-side water jackets and a radiator, said water pump being disposed on an engine main body, whereinthe cylinder-body-side and cylinder-head-side water jackets are configured such that the cooling water is allowed to flow in the water jackets independently of each other,a first connection path continuous with the cylinder-head-side water jacket connected to one of an inlet port and a discharge port of the water pump and a second connection path continuous with the cylinder-body-side water jacket connected to another of the inlet port and the discharge port are disposed in a sidewall of the cylinder body, facing one side, said engine further comprisinga thermostat valve configured to switch between a state in which the first and second connection paths directly communicate with each other and a state in which the first and second connection paths are connected to each other via the radiator, said thermostat valve being attached to the sidewall of the cylinder body; anda water-cooling oil cooler having a cooling water ...

OILING STRUCTURE FOR ENGINE

A lower cam housing is formed to be a separate body from a cylinder head and the lower cam housing is arranged at a joint surface of the cylinder head, a first upper oil passage reaching from an oil entry passage to the joint surface is formed inside the cylinder head and an upstream end of the first upper oil passage is opened at the joint surface, and a second upper oil passage through which the oil reaches to the joint surface via an upper side than the joint surface is formed in the lower cam housing, where an upstream end of the second upper oil passage is in communication with the oil entry passage side at the joint surface, and a downstream end of the second upper oil passage is in communication with the first upper oil passage at the joint surface. 1. An oiling structure for engine , including a cylinder head of the engine having a cam shaft , a rocker arm for swinging in conjunction with a rotation of said cam shaft , a valve for carrying out an opening and closing operation in conjunction with the swinging of said rocker arm , and plural pairs of cam housings formed by lower cam housings and upper cam housings , for sandwiching and axially supporting said cam shaft to be freely rotatable ,wherein one end of said rocker arm is supported to be capable of swinging via a hydraulic lash adjuster, oil ejected from an oil pump is guided to an oil hole of said lash adjuster in said cylinder head, and an oil passage for the lash adjuster is formed in said cylinder head at the same height as that oil hole,characterized in thatat least one of said lower cam housings is formed to be a separate body from said cylinder head and arranged such that it is joined at a joint surface with that cylinder head,a first upper oil passage reaching from said oil passage for the lash adjuster to said joint surface is formed inside said cylinder head, and an upstream end of that first upper oil passage is opened at said joint surface,an oil entry passage for entering the oil ejected ...

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

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

Integrated oil-less cylinder head engine

An oil-less engine with an integrated cylinder head is described. Oil-less engine allows manufacturers to build environmentally safer oil-free engines, with fewer engine parts and at reduced costs of manufacturing. In one embodiment, the present invention an internal combustion engine comprising a reciprocating cradle having pistons. The cradle is assembled with a circular disk that rotates. The rotation of the circular disk causes the pistons and the cradle to reciprocate and thereby causing a combustion with cylinder heads. 1. An oil-less internal combustion engine comprising an integrated cylinder head , the engine comprising:(a) an engine casing comprising a cradle;(b) said cradle comprising a plurality of pistons, each piston connected to said cradle by a piston rod;(c) a plurality of cylinder walls corresponding to said plurality of pistons, wherein each cylinder wall comprises an integrated cylinder head, and wherein said each cylinder wall is adapted to hold said each piston;(d) a circular disk assembled in said cradle, wherein said disk is adapted to rotate, and wherein said cradle performs a reciprocation when said disk rotates; and wherein said oil-less engine, in the inside of said engine casing, is free of lubrication,', 'wherein said integrated cylinder head, corresponding to said each cylinder wall, is screwably mountable into said engine casing, said cylinder head comprises:', '(i) an externally-grounded sparking means comprising a positive terminal and a negative terminal;', '(ii) a fuel injecting means;', '(iii) an air injecting means;', '(iv) a valve-less electronic exhaust eliminator;', '(v) a means for cooling said cylinder head, wherein said means for cooling comprises a screw-in air conditioning (AC) module;', 'wherein said sparking means, said fuel injecting means, said air injecting means, said electronic exhaust eliminator, and said means for cooling are fitted together in a screw-type assembly into said cylinder head,', 'wherein said ...

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

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

EFFICIENCY AND EMISSIONS IMPROVEMENTS FOR NATURAL GAS CONVERSIONS OF EMD 2-CYCLE MEDIUM SPEED ENGINES

A prechamber assembly includes a cylinder head including a coolant cavity, a prechamber body located within the cylinder head, the prechamber body including a nozzle, and an annular sleeve radially surrounding a portion of the prechamber body. The sleeve includes a plurality of coolant inlet holes. A portion of the prechamber body is radially spaced from the sleeve to form a coolant sleeve annulus extending along a length of the prechamber body above the coolant inlet holes. The coolant cavity and the coolant sleeve annulus are in fluid communication through the plurality of coolant inlet holes. 1. A prechamber assembly comprising:a cylinder head including a coolant cavity;a prechamber body located within the cylinder head, the prechamber body including a nozzle; andan annular sleeve radially surrounding a portion of the prechamber body, the sleeve including a plurality of coolant inlet holes;wherein a portion of the prechamber body is radially spaced from the sleeve to form a coolant sleeve annulus extending along a length of the prechamber body above the coolant inlet holes; andwherein the coolant cavity and the coolant sleeve annulus are in fluid communication through the plurality of coolant inlet holes.2. The prechamber assembly of wherein the sleeve further includes a plurality of coolant outlet holes claim 1 , wherein the plurality of coolant inlet holes is positioned towards the end of the coolant sleeve annulus closest to the nozzle.3. The prechamber assembly of wherein the coolant outlet holes are in fluid communication with a coolant return cavity.4. The prechamber assembly of further including a coolant comprising water.5. The prechamber assembly of wherein the prechamber body includes a feed groove distal from the nozzle and in fluid communication with the cooling cavity claim 1 , wherein the coolant cavity spans from the feed groove to the plurality of coolant inlet holes.6. The prechamber assembly of further including a coolant comprising engine oil.7 ...

COOLANT CONTROL VALVE OF ENGINE

A coolant control valve of an engine may include a cylindrical valve that coolant flows in an interior circumference thereof, a coolant outlet formed from a central space to an outside of the cylindrical valve, and a convex surface formed on an exterior circumference corresponding to the outlet, a valve housing that the cylindrical valve is rotatably disposed in, and a driving portion that is disposed at one side of the valve housing to rotate the cylindrical valve, a main pipe that is engaged with the valve housing, and a sealing member that a curved surface is formed on corresponding to the convex surface of the cylindrical valve, and an elastic member that elastically pushes the sealing member toward an exterior circumference of the cylindrical valve, in which a separation wall that separates coolant flowing through the outlet of the cylindrical valve is formed in the main pipe. 1. A coolant control valve of an engine , comprising:a cylindrical valve that coolant flows in an interior circumference thereof, a coolant outlet formed from a central space to an outside of the cylindrical valve, and a convex surface formed on an exterior circumference corresponding to the outlet;a valve housing that the cylindrical valve is rotatably disposed in an inside portion thereof based on a length direction central axis, and a driving portion that is disposed at one side of the valve housing to rotate the cylindrical valve;a main pipe that is engaged with the valve housing corresponding to a position of the outlet of the cylindrical valve, the coolant flowing therein through the outlet; anda sealing member that a curved surface is formed on corresponding to the convex surface of the cylindrical valve, the main pipe being inserted thereinto to prevent leakage of the coolant that flows in the main pipe through the outlet, and an elastic member that elastically pushes the sealing member toward an exterior circumference of the cylindrical valve,wherein a separation wall that ...

CYLINDER HEAD

A cylinder head that can efficiently cool air that flows in intake ports of respective cylinders without causing a difference among the cylinders. A cooling water channel is provided in peripheries of the intake ports in the cylinder head. The cooling water channel includes a plurality of water jackets that independently cover parts of respective wall surfaces of a plurality of intake ports. Further, the cooling water channel includes a main channel for cooling water supply that extends in a longitudinal direction of the cylinder head, on an upper part of a row of the intake ports, and the main channel and the respective water jackets are each connected via branch channels for cooling water supply. 1. A cylinder head for multi-cylinder engine , comprising:a plurality of intake ports that are provided side by side in a longitudinal direction of the cylinder head;a plurality of intake port cooling water jackets that are independently provided at the respective plurality of intake ports, and cover at least parts of respective wall surfaces of the plurality of intake ports;a cooling water supplying main channel that is provided at an opposite side from a side of a cylinder block mating surface of the cylinder head with respect to a central trajectory surface including central trajectories of the plurality of intake ports, and extends in the longitudinal direction of the cylinder head; anda plurality of cooling water supplying branch channels that connect the cooling water supplying main channel and the respective plurality of intake port cooling water jackets.2. The cylinder head according to claim 1 ,wherein the intake port includes a first branch port and a second branch port that are connected to a common combustion chamber,the intake port cooling water jacket includes a first water jacket that covers a wall surface which is at the side of the cylinder block mating surface with respect to the central trajectory surface, of a wall surface of the first branch port, and ...

INTERNAL COMBUSTION ENGINE WITH INJECTION DEVICE ARRANGED IN THE CYLINDER BARREL, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE

Examples are directed to a fuel injection device positioned in a cylinder liner. In one example, a cylinder includes a combustion chamber which is jointly formed by a piston crown of a piston, by a cylinder barrel which laterally delimits the combustion chamber, and by a cylinder head. The cylinder includes an injection device positioned in the cylinder barrel for direct introduction of fuel into the combustion chamber, which injection device has at least one opening which, during a course of an injection process, is configured to be activated to introduce fuel into the combustion chamber, the injection device terminating flush, at a combustion chamber side, with the cylinder barrel. 1. A direct-injection internal combustion engine comprising:a cylinder head with a cylinder, the cylinder having at least one inlet opening for supply of combustion air via an intake system and at least one outlet opening for discharge of the exhaust gases via an exhaust-gas discharge system, the cylinder further comprising a combustion chamber which is jointly formed by a piston crown of a piston, by a cylinder barrel which laterally delimits the combustion chamber, and by the cylinder head, the piston being movable along a piston longitudinal axis between a bottom dead center and a top dead center; andan injection device positioned in the cylinder barrel for direct introduction of fuel into the combustion chamber, which injection device has at least one opening which, during a course of an injection process, is configured to be activated to introduce fuel into the combustion chamber, the injection device terminating flush, at a combustion chamber side, with the cylinder barrel.2. The direct-injection internal combustion engine as claimed in claim 1 , wherein the injection device terminates flush with the cylinder barrel without forming a dead volume.3. The direct-injection internal combustion engine as claimed in claim 2 , wherein the injection device is of cylindrical form at the ...

ENGINE DEVICE

An engine device including a cylinder head provided with a plurality of air-intake passages for taking fresh air into a plurality of air-intake ports and a plurality of exhaust gas passages for emitting exhaust gas from a plurality of exhaust gas ports. An air-intake manifold which aggregates the air-intake passages is formed integrally with one of left and right side portions of the cylinder head. An EGR cooler is coupled to a front surface of the cylinder head; and EGR gas passages and cooling water passages communicating with the EGR cooler are provided in a coupling portion of the cylinder head with the EGR cooler. 1. (canceled)2. An engine device comprising: a cylinder head provided with a plurality of air-intake passages for taking fresh air into a plurality of air-intake ports and a plurality of exhaust gas passages for emitting exhaust gas from a plurality of exhaust gas ports; an exhaust gas manifold communicating with the exhaust gas passages; and an EGR cooler configured to cool EGR gas constituting a part of the exhaust gas from the exhaust gas manifold , wherein:an air-intake manifold which is configured to aggregate the air-intake passages is formed in one of left and right side portions of the cylinder head;the EGR cooler is coupled to one of front and rear surfaces of the cylinder head, and an EGR gas passage and a cooling water passage communicating with the EGR cooler are provided in a coupling portion of the cylinder head with the EGR cooler; andan outer peripheral wall surrounding an area ranging from a border with the air-intake manifold to a coupling portion with the exhaust gas manifold is provided on the cylinder head in a standing manner; and the cooling water passage having an L-shape is provided on one of left and right side walls and one of front and rear side walls of the outer peripheral wall.3. The engine device according to claim 2 , wherein the cylinder head is fastened and fixed above the cylinder block by a plurality of bolts ...

CARBURETED ENGINE HAVING AN ADJUSTABLE FUEL TO AIR RATIO

A simple engine, comprises (1) a cylinder and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path. 1. A simple engine , comprising:(1) a cylinder, and a spark plug in the cylinder,(2) a carburetor, fluidly connected to the cylinder,(3) a primary air intake path, fluidly connecting atmosphere to the carburetor,(4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor, and(5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.2. The simple engine of claim 1 , wherein the engine further comprises an air filter claim 1 , andthe carburetor bypass air intake path draws air through the air filter.3. The simple engine of claim 1 , wherein the engine further comprises an air filter claim 1 , andboth the primary air intake path, and the carburetor bypass air intake path, draw air through the air filter.4. The simple engine of claim 1 , wherein the engine further comprising a gasket spacer claim 1 , between the carburetor and the cylinder claim 1 , andthe carburetor bypass air intake path feeds air into the gasket spacer.5. The simple engine of claim 4 , wherein the gasket spacer comprises a metal.6. The simple engine of claim 4 , wherein the gasket spacer comprises brass.7. A generator claim 1 , comprising the simple engine of .8. A flexible fuel generator claim 3 , comprising the simple engine of .9. The flexible fuel generator of claim 8 , further comprising:(6) a primary fuel tank, fluidly connected to the carburetor,(7) a coolant path, which provide a flow path for ...

VERTICAL MULTICYLINDER STRAIGHT ENGINE

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

COOLING SYSTEM AND METHOD FOR A VEHICLE ENGINE

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

WATER JACKET SPACER PRODUCTION METHOD

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

AIR/OIL-COOLED INTERNAL COMBUSTION ENGINE

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

COOLING DEVICE FOR MULTI-CYLINDER ENGINE

A cylinder block () includes an inlet portion (), a narrow portion (), and an inclined portion (). A cylinder head includes a head-side discharge portion. The inlet portion is formed on the first cylinder side of a cylinder array, and introduces coolant to a block-side water jacket (). The narrow portion is formed in the vicinity of the inlet portion, and restricts the coolant introduced through the inlet portion from flowing to an intake-side channel () of the block-side water jacket. The inclined portion is formed in the vicinity of the inlet portion, and guides the coolant introduced through the inlet portion toward the head. The head-side discharge portion is formed on the fourth cylinder side of the cylinder array, and discharges the coolant from a head-side water jacket. A communication path for communicating between the water jackets is formed on the head side of the inclined portion. 1. A cooling device for a multi-cylinder engine , comprising:a cylinder block including a block-side water jacket configured to surround a plurality of cylinder bores for an array of cylinders disposed in series;a cylinder head including a head-side water jacket; anda coolant channel for circulating coolant by a water pump via the block-side water jacket, the head-side water jacket, and a radiator, wherein an inlet portion formed on one end side of the cylinder array, and configured to introduce coolant to the block-side water jacket;', 'a narrow portion formed in a vicinity of the inlet portion, and configured to restrict the coolant introduced through the inlet portion from flowing to an intake-side channel of the block-side water jacket; and', 'an inclined portion formed in the vicinity of the inlet portion, and configured to guide the coolant introduced through the inlet portion toward the cylinder head,, 'the cylinder block includes a head-side discharge portion formed on the other end side of the cylinder array, and configured to discharge the coolant from the head-side ...

CONTROLLER FOR COOLING SYSTEM OF INTERNAL COMBUSTION ENGINE

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

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

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

SEALING UNIT AND FLUID ENGINE

A valve stem sealing unit () for forming a seal round a valve stem () of a poppet valve () in an engine () having a body () and operated by a working fluid, the valve stem sealing unit () including: a housing () defining a through passage () running from a first end to a second end, the through passage () being arranged to receive a portion of the valve stem (); a first seal () arranged to form a seal between the valve stem () and the housing () to prevent egress of the working fluid from the first end of the housing (); and a second seal () arranged to form a seal between the housing () and a body () of the engine () to prevent egress of the working fluid from the second end of the housing (). 115-. (canceled)15. A fluid engine arranged to be driven by a change in pressure of a working fluid , the fluid engine having one or more possible leakage points , and including a working fluid collecting system , to collect any working fluid that leaks from the leakage points , the working fluid collecting system including:a cover constructed and arranged to form a sealed space around at least one of the leakage points;means for condensing working fluid leaking into the cover; andmeans for collecting the condensed working fluid.16. The fluid engine of claim 15 , wherein the means for condensing the working fluid includes a heat exchange fluid at lower temperature than the working fluid claim 15 , such that heat exchange between the working fluid and heat exchange fluid cools the working fluid.17. The fluid engine of claim 16 , wherein the means for condensing the working fluid includes a heat exchanger for exchanging heat between the working fluid and the heat exchange fluid.18. (canceled)19. The fluid engine of claim 16 , wherein the means for condensing the working fluid includes a cooling jacket arranged around the cover claim 16 , such that the working fluid condenses in the space formed by the cover.20. (canceled)21. The fluid engine of claim 20 , wherein the space ...

COOLANT PUMP FOR AN INTERNAL COMBUSTION ENGINE

An engine is provided with a cylinder block and a pump cover cooperating to define a volute chamber for a coolant pump. An impeller is connected to a drive shaft and positioned within the volute chamber. An insert is positioned within the volute chamber directly adjacent to a cutwater along a portion of the outer wall, with the insert positioned between the cutwater and the impeller. A method is provided where, in response to pre-determining a first coolant pump displacement, a first impeller is positioned within a volute chamber defined by a block and a cover. In response to pre-determining a second coolant pump displacement being less than the first displacement, an insert is affixed along the wall adjacent to the cutwater and a second impeller is positioned within the chamber. 1. An engine comprising:a cylinder block and a pump cover cooperating to define a volute chamber for a coolant pump therebetween, the volute chamber defining an outer wall extending circumferentially about a first axis and having a cutwater adjacent to an outlet;an impeller connected to a drive shaft and positioned within the volute chamber for rotation about a second axis, the second axis offset from the first axis; andan insert positioned within the volute chamber directly adjacent to the cutwater and extending along a portion of the outer wall, the insert positioned between the cutwater and the impeller.2. The engine of wherein the second axis is positioned between the first axis and the cutwater.3. The engine of wherein the insert has a first curved side wall intersecting a second curved side wall claim 1 , the first curved side wall shaped to mate with the outer wall of the volute chamber.4. The engine of wherein the first and second curved side walls intersect at a first end of the insert claim 3 , a distance between the first curved side wall and the second curved side wall continually increases from the first end of the insert to a second opposed end of the insert such that the ...

COOLANT JACKET INSERT

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

Two-Cycle Diesel Engine Configured for Operation with High Temperature Combustion Chamber Surfaces

A 2-cycle, direct-injection diesel engine configured to accommodate low cetane diesel and jet fuels. The engine includes combustion chambers having surfaces which are operable at high temperatures during engine operation to increase the combustion rate of low cetane fuels. The engine is further configured to reduce starting times in cold and/or low pressure situations such as those experienced during attempts to restart a plane engine at relatively high altitudes. 1. An engine , comprising: a cylinder comprising an intake port proximate to a first side of the cylinder and an exhaust port proximate to a second side of the cylinder opposite the first side; and', 'a first fluid flow channel located adjacent at least one of the intake port and the exhaust port to cool the cylinder of the engine block;, 'an aluminum engine block, comprisinga composite sleeve located within the cylinder;a head assembly comprising a second fluid flow channel to cool the head assembly engaged with the engine block; a fuel flow channel between a fuel source and an injector tip;', 'a return fuel channel between the injector tip and the fuel source; and', 'a cooling fuel channel between the injector tip and the fuel source;, 'a fuel injector assembly coupled to the head assembly, the injector assembly comprisinga fire plate fixed between the sleeve and the head assembly; anda piston having a crown and located within the sleeve and configured to oscillate within the sleeve.2. The engine of claim 1 , wherein the first fluid flow channel includes a first branch passing over the exhaust port and a second branch passing under the exhaust port.3. The engine of claim 1 , wherein the composite sleeve is a metal composite.4. The engine of claim 3 , wherein the metal composite is a metal matrix aluminum alloy coated with steel.5. The engine of claim 4 , wherein the aluminum alloy comprises an Al—Si alloy claim 4 , an SiC particulate claim 4 , and a Ni coated graphite that are solution and precipitation ...

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

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

INTERNAL COMBUSTION ENGINE

An internal combustion engine includes a plurality of cylinders, each of which two intake valves and two exhaust valves, respectively arranged in a valve mount of a cylinder head of the internal combustion engine as well as a coolant distributing chamber and a coolant accumulating chamber being associated to. For each cylinder two coolant ducts are formed in the cylinder head and each is fluidly connected to the corresponding coolant distributing chamber and the corresponding coolant accumulating chamber. A first one of the coolant ducts on a first side extends about a first one of the intake valves and on a second side opposite the first side about a first one of the exhaust valves, and a second one of the coolant ducts extends on the first side about a second one of the intake valves and on the second side about a second one of the exhaust valves. 16-. (canceled)7. An internal combustion engine , comprising:a plurality of cylinders, each cylinder operably connected to a coolant distributing chamber and a coolant accumulating chamber; anda cylinder head including a plurality of valve mounts associated to the cylinders such that each of the cylinders is operably connected to two of the valve mounts for receiving two intake valves, respectively, and operably connected to two of the valve mounts for receiving two exhaust valves, said cylinder head including for each of the cylinders two coolant ducts fluidly connected to the coolant distributing chamber and the coolant accumulating chamber, wherein the two coolant ducts have a curved configuration such that a first one of the coolant ducts is configured to extend in part on one side of a first one of the intake valves and in part on another side of a first one of the exhaust valves, and a second one of the coolant ducts is configured to extend in part on one side of a second one of the intake valves and another side of a second one of the exhaust valves.8. The internal combustion engine of claim 7 , wherein each of ...

INTERNAL COMBUSTION ENGINE COOLING

An internal combustion engine for a motor vehicle drive includes a housing having a cylinder head water jacket, an exhaust water jacket and a combustion chamber water jacket. A valve is operable for adjusting a flow through a multi-channel coolant inlet. In particular, the valve provides continuous adjustment of a cross section, through which a fluid can flow of a multi-channel exhaust coolant outlet for admitting a flow to the exhaust water jacket and cross-section, through which a fluid can flow of a multi-channel combustion chamber coolant outlet for admitting a flow to the combustion chamber water jacket. 1. Internal combustion engine more particularly for a motor vehicle drive with:{'b': 1', '10', '20', '30, 'a housing () comprising a cylinder head water jacket (), an exhaust water jacket ) and a combustion chamber water jacket (); and'}{'b': 41', '49', '45', '42', '20', '43', '43, 'a valve (-), to which a flow can be admitted through a, more particularly, multi-channel coolant inlet (), for the, in particular coupled and/or continuous adjustment of a cross section, through which a fluid can flow, or a, more particularly, multi-channel exhaust coolant outlet () for admitting a flow to the exhaust water jacket () and cross-section, through which a fluid can flow, of a, more particularly, multi-channel combustion chamber coolant outlet () for admitting a flow to the combustion chamber water jacket ().'}210203041494149. Internal combustion engine according the preceding claim wherein the cylinder head water jacket () is fluidically , more particularly in a multi-channel manner , connected (D) to the exhaust water jacket () and/or the combustion chamber water jacket () at a distance from the valve (-) and/or has a coolant outlet (A) at a distance from the valve (-) for removing coolant.341494142434243414941. Internal combustion engine according to one of the preceding claims wherein the valve (-) has a rotary slide () borne rotatably in a bearing that has the ...

WATER JACKET SPACER

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

INTERNAL COMBUSTION ENGINE

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

Apparatus for controlling engine and method thereof

An engine control apparatus and an engine control method for a vehicle are disclosed. The engine control apparatus includes: an integrated thermal management valve in which an opening degree of a plurality of valves is adjusted by rotation of a cam; a storage to store an opening degree of the integrated thermal management valve based on a road slope and a transmission gear value; and a controller that controls the opening degree of the integrated thermal management valve by using an engine revolutions per minute (RPM) and an accelerator pedal value. In particular, when the accelerator pedal value is smaller than a predetermined threshold, the controller controls the opening degree of the integrated thermal management valve based on the road slope and the transmission gear value.

Internal combustion engine with liquid cooling

Example embodiments for reducing thermal load in one or more exhaust gas lines are provided. One embodiment includes an internal combustion engine with liquid cooling, comprising at least one exhaust gas line, at least one coolant jacket, and a common boundary wall separating the at least one exhaust gas line and the at least one coolant jacket, wherein the common boundary wall includes a surface structure provided on sides of the coolant jacket in at least one locally limited region. In this way, the surface structure on the sides of the coolant jacket may increase heat transfer to reduce thermal loading.

INTERNAL COMBUSTION ENGINE WITH A FLUID JACKET

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

BORE BRIDGE AND CYLINDER COOLING

An engine includes a cylinder block having first and second passages intersecting a block face on opposed sides of a bore bridge defining a bore bridge cooling passage. A cylinder head has third and fourth passages intersecting a head face. The first and fourth passages are opposed from one another. A gasket is placed between the block and the head. The gasket adapted to fluidly connect the first and fourth passages via the bore bridge cooling passage, and cover the second passage. 1. An internal combustion engine comprising:a cylinder block defining a block deck face, first and second cylinders, and a block cooling jacket, wherein the first and second cylinders are adjacent to one another and separated by a block bore bridge;a cylinder head having a head deck face defining first and second chambers, and a head cooling jacket, the first and second chambers adjacent to one another and separated by a head bore bridge, wherein the first chamber and the first cylinder form a first combustion chamber, and the second chamber and the second cylinder form a second combustion chamber; anda head gasket positioned between the cylinder block and the cylinder head, the head gasket having a block side and a head side;wherein the block cooling jacket has a first passage and a second passage intersecting the block deck face on either side of the block bore bridge, the first passage on a first side of a longitudinal axis of the cylinder block;wherein the head cooling jacket has a third passage and a fourth passage intersecting the head deck face on either side of the head bore bridge, the third passage on the first side of the longitudinal axis of the cylinder block;wherein the block bore bridge defines a bridge cooling passage extending from the first passage adjacent to the block deck face to the block deck face adjacent to the second passage; andwherein the head gasket is adapted to fluidly connect the first and fourth passages such that coolant flows from the first passage, ...

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.

COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE

An engine cooling system () includes a first passage () communicating a radiator () with a jacket inlet () of a water jacket of an engine, a second passage () communicating a jacket outlet () of the water jacket with the radiator, and a third passage () communicating a part of the second passage with a part of the first passage located between the radiator and the water pump. To allow the cooling water temperature circulating in a water jacket of an engine to be detected accurately, a water temperature sensor () is provided in a part of the second passage intermediate between the part of the second passage where the third passage branches off and the jacket outlet. 1. An engine cooling system , comprising:a water jacket formed on a main body of an internal combustion engine;a first passage communicating a radiator with a jacket inlet of the water jacket;a second passage communicating a jacket outlet of the water jacket with the radiator;a water pump provided in the first passage for feeding cooling water to the water jacket inlet;a third passage branching off from a part of the second passage to communicate the second passage with a part of the first passage located between the radiator and the water pump;a flow control valve provided at least in one of the first passage, the second passage and the third passage for controlling a flow of the cooling water through the radiator; anda water temperature sensor provided in a part of the second passage intermediate between the part of the second passage where the third passage branches off and the jacket outlet.2. The engine cooling system according to claim 1 , further comprising a cavity formed on a side face of the engine main body claim 1 , the cavity communicating with the jacket outlet and the third passage formed in the engine main body claim 1 , and a passage forming member including a tube portion and a lid portion formed at an end of the tube portion and attached to the side face of the engine main body so as to ...

Targeted Cooling With Individualized Feeding Ports To Cylinders

A cooling system for an engine having a plurality of piston cylinders. The cooling system can include a liquid coolant source having liquid coolant and a cylinder cooling passage network having an inlet and an outlet for receiving and transmitting the liquid coolant. The cylinder cooling passage network having a plurality of individual upstream fluidic passages each being fluidly coupled to the inlet to directly receive the liquid coolant from the liquid coolant source in parallel flow. The cylinder cooling passage network further having a plurality of cylinder jacket passages each extending about at least a portion of a corresponding one of the plurality of piston cylinders and being positioned immediately adjacent thereto. The cylinder jacket passages are fluidly coupled directly to a corresponding one of the plurality of individual upstream fluidic passages to receive the liquid coolant and transmit the liquid coolant to the outlet for improved cooling performance. 1. A cooling system for an engine , the engine having a plurality of piston cylinders , the cooling system comprising:a liquid coolant source having liquid coolant; anda cylinder cooling passage network having an inlet and an outlet, the inlet being fluidly coupled to the liquid coolant source to receive the liquid coolant, the cylinder cooling passage network receiving and transmitting the liquid coolant therethrough, the cylinder cooling passage network further having:a plurality of individual upstream fluidic passages each being fluidly coupled to the inlet to directly receive the liquid coolant from the liquid coolant source, each of the plurality of individual upstream fluidic passages being configured to establish parallel flow of the liquid coolant relative to the other of the plurality of individual upstream fluidic passages; anda plurality of cylinder jacket passages each extending about a portion of a corresponding one of the plurality of piston cylinders and being positioned immediately ...

CONTROLLING THE FLOW OF A COOLANT FLUID THROUGH A COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE

Examples of techniques for controlling the flow of a coolant fluid through a cooling system of an internal combustion engine are disclosed. In one example implementation, a method includes calculating, by a processing device, a minimum zone flow rate of the coolant fluid for a zone of a cooling system of the internal combustion engine. The method further includes converting, by the processing device, the minimum zone flow rate into a desired actuator position for a flow control valve to enable the flow control valve to provide the minimum zone flow rate of the coolant fluid to the zone of the cooling system. The method further includes enabling, by the processing device, the flow control valve to change from a current actuator position to the desired actuator position. 1. A computer-implemented method for controlling a flow of a coolant fluid through a cooling system of an internal combustion engine , the method comprising:calculating, by a processing device, a minimum zone flow rate of the coolant fluid for a zone of a cooling system of the internal combustion engine;converting, by the processing device, the minimum zone flow rate into a desired actuator position for a flow control valve to enable the flow control valve to provide the minimum zone flow rate of the coolant fluid to the zone of the cooling system; andenabling, by the processing device, the flow control valve to change from a current actuator position to the desired actuator position,wherein an outlet of the flow control valve is in fluid communication with an inlet of a main rotary valve comprising a first outlet in fluid communication with a radiator bypass and a second outlet in fluid communication with a radiator.2. The computer-implemented method of claim 1 , wherein calculating the minimum zone flow rate of the coolant fluid for the zone of the cooling system is based at least in part on a coolant fluid temperature at an inlet of the zone.3. The computer-implemented method of claim 1 , wherein ...

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

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

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

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

COOLING STRUCTURE FOR INTERNAL COMBUSTION ENGINE

A cooling structure of an internal combustion engine includes a thermostat provided to switch circulation between a radiator passage and a bypass passage in an engine body, to thereby enable acceleration of early warming up via the bypass passage without impairing the external appearance or increasing the size of the internal combustion engine. The cooling structure also includes an in-cylinder-block fluid passage partitioned up and down in an axial direction of a cylinder axis into an in-cylinder-block upper fluid passage and an in-cylinder-block lower fluid passage by a partition wall. The bypass passage is partially composed of the in-cylinder-bock lower fluid passage. 1. A cooling structure of an internal combustion engine , in whichsaid internal combustion engine is mounted at a center in a left-right vehicle-width direction of a vehicle body between a front wheel and a rear wheel of a motorcycle,said internal combustion engine has an engine body configured to place a cylinder block and a cylinder head in this order on a crankcase,said cylinder block has an in-cylinder-block fluid passage through which a coolant flows around a cylinder bore,said cylinder head has an in-cylinder-head fluid passage through which said coolant flows around a combustion chamber, anda via-radiator passage passing through a radiator air-cooling said coolant and a bypass passage bypassing said radiator are installed to a coolant circulation path circulating said coolant through said in-cylinder-block fluid passage and said in-cylinder-head fluid passage by a coolant pump,said cooling structure of said internal combustion engine, comprising a thermostat provided to switch between a circulation by way of said via-radiator passage and a circulation by way of said bypass passage,wherein said in-cylinder-block fluid passage is partitioned up and down in an axis direction of a cylinder axis into an in-cylinder-block upper fluid passage and an in-cylinder-block lower fluid passage by a ...

METHOD OF FORMING AN INTERNAL COMBUSTION ENGINE WITH A FLUID JACKET

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

CONTROL METHOD OF COOLING SYSTEM

A control method for a cooling system is provided. The system includes a vehicle operation state detecting portion having an ambient temperature sensor, first and second coolant temperature sensors, a coolant control valve unit that adjusts opening rates of first, second, and third coolant passages and a controller. The method includes determining whether an output signal of the ambient temperature sensor satisfies a predetermined an ambient low temperature driving condition and whether an output signal of the first coolant temperature sensor satisfies a predetermined first low temperature driving condition when the output signal of the ambient temperature sensor satisfies the predetermined the ambient low temperature driving condition. The coolant control valve unit opens the first and coolant passages and closes the second coolant passage when the output signal of the first coolant temperature sensor satisfies the predetermined first low temperature driving condition. 1. A control method for a cooling system including a vehicle operation state detecting portion , the control method comprising:determining, by the controller, whether an output signal of an ambient temperature sensor of the vehicle operation state detecting portion configured to detect a temperature of ambient air satisfies a predetermined an ambient low temperature driving condition;determining, by the controller, whether an output signal of a first coolant temperature sensor of the vehicle operation state detecting portion, configured to detect a temperature of coolant flowing through a cylinder head, satisfies a predetermined first low temperature driving condition when the output signal of the ambient temperature sensor satisfies the predetermined the ambient low temperature driving condition; andoperating, by the controller, a coolant control valve unit configured to receive coolant from the cylinder head to open a first coolant passage and a third coolant passage and to close a second coolant ...

Coolant flow control apparatus, cooling system provided with the same and control method for the same

A coolant flow control apparatus may include a coolant controller housing of which an inlet for coolant to flow in, an outlet for the coolant to flow out, a first coolant supply line and a second coolant supply line are formed, a water pump mounted to the coolant controller housing for transmitting the coolant, a valve plate selectively opening/closing the first coolant supply line, a valve piston selectively opening/closing the second coolant supply line, a driving unit selectively moving the valve plate and the valve piston for closing or opening the first coolant supply line and the second coolant supply line respectively and a controller configured for controlling an operation of the driving unit.

COOLANT PUMP, COOLING SYSTEM PROVIDED WITH THE SAME FOR VEHICLE AND CONTROL METHOD FOR THE SAME

A coolant pump for a vehicle includes an impeller mounted at one side of a shaft and configured for pumping a coolant, a pulley mounted at the other side of the shaft and configured for receiving a torque, a pump housing including an inlet for allowing the coolant to flow in and an outlet for allowing the coolant to flow out, a shroud disposed within the pump housing for selectively closing or opening the outlet and an operation portion selectively moving the shroud. 1. A coolant pump for a vehicle comprising:an impeller mounted at one side of a shaft and configured for pumping a coolant;a pulley mounted at an other side of the shaft and configured for receiving a torque;a pump housing including an inlet for allowing the coolant to flow in and an outlet for allowing the coolant to flow out;a shroud disposed within the pump housing for selectively closing or opening the outlet; andan operation portion selectively moving the shroud.2. The coolant pump of claim 1 , wherein the shroud is formed as a cylindrical shape and a control passage is formed diagonally to an external circumference of the shroud claim 1 , andwherein the shroud rotates along a circumferential direction of the shroud according to an operation of the operation portion.3. The coolant pump of claim 2 , wherein the operation portion includes:a driving motor; andan intermediating gear engaged with the driving motor for rotating the shroud according to a rotation of the driving motor.4. The coolant pump of claim 2 , wherein the operation portion includes a solenoid for rotating the shroud.5. The coolant pump of claim 1 , wherein the shroud is formed as a cylindrical shape claim 1 , andwherein the shroud moves along a longitudinal direction of the shroud according to an operation of the operation portion.6. The coolant pump of claim 5 , wherein the operation portion includes:a driving motor; andan intermediating gear engaged with the driving motor for moving the shroud according to a rotation of the ...

COOLANT CONTROL SYSTEM AND CONTROL METHOD FOR THE SAME

A coolant control system includes: a high temperature radiator communicating with an engine through a high temperature coolant line, a high temperature coolant pump, a coolant temperature sensor, a low temperature radiator, a low temperature coolant pump, a water-cooled intercooler, an intake air temperature sensor, bypass valves provided upstream and downstream of the water-cooled intercooler for selectively controlling the high temperature coolant or the low temperature coolant to flow through the water-cooled intercooler, an ambient temperature sensor, a radiator bypass line connected to the high temperature coolant line and bypassing the high temperature radiator, a thermostat to selectively flow the high temperature coolant to the radiator bypass line, and a controller for controlling the operations of the low temperature coolant pump, the bypass valve and the thermostat in accordance with a vehicle operation state. 1. A coolant control system , comprisinga high temperature radiator configured to communicate with an engine through a high temperature coolant line;a high temperature coolant pump provided on the high temperature coolant line;a coolant temperature sensor configured to detect a temperature of a high temperature coolant flowing through the engine and the high temperature radiator, and configured to output a corresponding signal;a low temperature radiator configured to communicate with an exhaust gas recirculation (EGR) cooler for cooling EGR gas flowing into the engine through a low temperature coolant line;a low temperature coolant pump provided on the low temperature coolant line;a water-cooled intercooler connected to the low temperature coolant line and the high temperature coolant line;an intake air temperature sensor configured to measure a temperature of an intake air flowing into the engine and configured to output a corresponding signal;bypass valves provided upstream and downstream of the water-cooled intercooler and configured to ...

Internal Combustion Engine Cooling System

An engine has a cylinder block defining a cooling circuit with an inlet passage adjacent to a first end of the block and fluidly connected to a continuous open channel positioned between a side wall of the block and a plurality of in-line cylinders. The channel intersects a block deck face and extends alongside each cylinder of the plurality of cylinders. The channel is configured to direct coolant to a cylinder head. 1. An engine comprising:a cylinder block having a block deck face, an intake side wall, an exhaust side wall, and first and second opposed end walls, the block defining a plurality of cylinders arranged in-line with a first end cylinder adjacent to the first end wall and a second end cylinder adjacent to the second end wall, the block defining a block cooling circuit having an inlet passage extending along the first end wall and fluidly connected to a feed channel, the feed channel intersecting the block deck face and having a continuous perimeter extending lengthwise from a first end adjacent to the first end wall to a second end adjacent to the second end wall, the channel positioned between the exhaust side wall and the plurality of cylinders; anda cylinder head having a head deck face and defining a head cooling circuit with at least one inlet port intersecting the head deck face and aligned with the feed channel to receive coolant therefrom.2. The engine of further comprising a head gasket interposed between the block deck face and the head deck face claim 1 , the head gasket defining a series of apertures positioned between and fluidly connecting the feed channel and the at least one inlet port.3. The engine of wherein the series of apertures of the head gasket are spaced apart along the length of the feed channel claim 2 , wherein each aperture is associated with a respective cylinder in the plurality of cylinders and a cross sectional area of each aperture increases downstream in the feed channel.4. The engine of wherein the block cooling ...

WATER JACKET DIVERTER WITH LOW FLOW RESTRICTION

Methods and systems are provided for a water jacket diverter. In one example, the water jacket diverter has a continuous upper rail with a profile including curved and linear portions where the profile of the upper rail is optimized to moderate coolant flow through the water jacket. The water jacket diverter further includes at least one protrusion extending outwards from an outer face of the diverter, the at least one protrusion positioned in front of a coolant inlet. 1. A diverter for a water jacket , comprising:a continuous upper rail arranged around a top periphery of the diverter, above and perpendicular to an inner face and an opposing outer face of the diverter, the upper rail having a profile including both linear portions and portions curving along a cylinder axis of the diverter; andat least one protrusion extending away from the outer face of the diverter, the at least one protrusion positioned proximate to a coolant inlet flowing coolant into the water jacket,wherein the profile of the upper rail includes an uneven and non-uniform arrangement of peaks and wherein the peaks are concave regions of increased height extending above linear portions of the upper rail.2. (canceled)3. The diverter of claim 1 , wherein a lower rail of the diverter claim 1 , positioned opposite form the upper rail claim 1 , is flat and linear around a bottom periphery of the diverter and wherein a distance between the upper rail and the lower rail varies around a perimeter of the diverter.4. The diverter of claim 1 , wherein the diverter includes a plurality of circular sections claim 1 , the plurality of circular sections continuous with one another and each having a similar diameter and wall thickness and wherein the plurality of circular sections forms a wall of the diverter.5. The diverter of claim 4 , wherein the at least one protrusion extends from the outer face of the diverter at a first circular section of the plurality of circular sections claim 4 , the first circular ...

PISTON COOLING SYSTEM

An engine cylinder block includes a control valve and stratified layers defining a network internal to the cylinder block. The network includes a main feed line in fluid communication with the control valve, and branched and winding arterial channels extending from the main feed line with diameters that taper to define nozzles configured to spray coolant on sides of pistons carried within the cylinder block. 1. An engine system comprising:a piston;a cylinder block of stratified layers defining a network of internal coolant channels that taper to define nozzles configured to spray coolant from the channels on the piston; anda control valve, in fluid communication with the network, programmed to release a predefined quantity of a coolant into the network responsive to signals indicative of a state of the engine system.2. The engine system of claim 1 , further comprising a controller in communication with the control valve.3. The engine system of claim 2 , wherein the controller is an engine control module of a vehicle.4. The engine system of claim 2 , wherein the control valve regulates a flow of the coolant by varying a size of a flow passage as directed by a signal from the controller.5. The engine system of claim 1 , wherein the network includes a coolant intake port and a main feed line and wherein the channels extend from the main feed line.6. The engine system of claim 1 , wherein the control valve is connected to the main feed line.7. The engine of claim 1 , wherein the signals are a series of data points representing a speed of a vehicle versus time.8. The engine of claim 1 , wherein the signals are provided by the controller.9. The engine system of claim 5 , wherein the main feed line traverses the cylinder block.10. The engine system of claim 1 , wherein the network is disposed on an intake side of the cylinder block.11. The engine system of claim 1 , wherein the stratified layers are metal.12. The engine system of claim 1 , wherein the network forms an ...

OIL PUMP FOR AN AGED ENGINE

An oil pump for an engine is disclosed. The oil pump may include a first pump mechanism configured to supply oil to a main lubrication gallery of the engine, and a second pump mechanism configured to supply oil to a piston cooling gallery of the engine. The first pump mechanism may be designed for a first type of engine and the second pump mechanism may be designed for a second type of engine. The first type of engine may have a greater quantity of cylinders than the second type of engine. 1. An oil pump for an engine , comprising:a first pump mechanism, located in a first housing, configured to supply oil to a main lubrication gallery of the engine;a second pump mechanism, located in a second housing, configured to supply oil to a piston cooling gallery of the engine;a separation plate disposed between the first housing and the second housing; and 'the first type of engine having a greater quantity of cylinders than the second type of engine.', 'the first pump mechanism being designed for a first type of engine and the second pump mechanism being designed for a second type of engine,'}, 'a spacer plate associated with the second pump mechanism abutting the separation plate,'}2. The oil pump of claim 1 , wherein the first type of engine has a greater maximum power output than the second type of engine.3. The oil pump of claim 1 , wherein the first type of engine has greater than 16 cylinders claim 1 , and the second type of engine has 16 cylinders or fewer.4. The oil pump of claim 1 , wherein the first pump mechanism is a first set of gears comprising a first and second drive gear claim 1 , and the second pump mechanism is a second set of gears comprising a third drive gear.5. The oil pump of claim 4 , wherein the first and second drive gear has a greater gear width than the third drive gear.6. The oil pump of claim 4 , wherein the first set of gears includes 4 gears claim 4 , and the second set of gears includes 2 gears.7. The oil pump of claim 1 , wherein the ...

ENGINE SYSTEM HAVING COOLANT CONTROL VALVE

An engine system having a coolant control valve device may include valves that distribute coolant that is injected into a coolant inflow chamber to coolant demand elements, respectively; a driver that operates each of the valves; a safety valve that bypasses coolant that is operated by a coolant temperature to be injected into the coolant inflow chamber; and a degassing member that collects coolant including a bubble, wherein a degassing passage that is opened or closed by operation of the safety valve is formed. 1. An engine system having a coolant control valve device , the engine system comprising:valves that distribute coolant that is injected into a coolant inflow chamber to coolant demand elements, respectively;a driver that operates each of the valves;a safety valve that bypasses coolant that is configured to be operated by a coolant temperature to be injected into the coolant inflow chamber; anda degassing member that collects coolant including a bubble,wherein a degassing passage that is configured to be opened or closed by operation of the safety valve is formed.2. The engine system of claim 1 , wherein the safety valve opens or closes an emergency passage claim 1 , and the degassing passage is connected with the emergency passage.3. The engine system of claim 2 , wherein the safety valve includes:a body having a wax chamber therein and having an external circumference that opens or closes the emergency passage and the degassing passage;a piston that penetrates a first side of the body to be inserted into the wax chamber;a wax that is filled in the wax chamber and that is expanded or contracted by coolant that is injected into the coolant inflow chamber to push the piston to an outside thereof or to pull the piston to an inside thereof; andan elastic member that elastically supports the body, wherein the body closes the emergency passage.4. The engine system of claim 1 , wherein coolant claim 1 , having passed through a cylinder head and a cylinder block ...

FLOW CONTROL VALVE

A flow control valve is arranged to simultaneously perform coolant flow control and variable split cooling, according to control of a path opening degree of the flow control valve. The flow control valve can perform four-port control for variably controlling four ports at once by operation of the flow control valve, and thus can implement variable temperature control for increasing a temperature of an engine, rapid warming-up of the engine, while performing split cooling at the same time. 1. A flow control valve , comprising:a valve housing including a block port connected to a coolant outlet of a cylinder block, a radiator port connected to a radiator, a heat exchanger port connected to an oil cooler or an EGR cooler, and a heater core port connected to a heater core;a driving unit that provides a rotational force; anda valve body that receives the rotational force provided from the driving unit to rotate in the valve housing at a predetermined angle, and has a first flow control hole, a second flow control hole, and a third flow control hole which are formed through the valve body such that the first flow control hole selectively communicates with the block port and the radiator port, the second flow control hole selectively communicates with the heat exchanger port, and the third flow control hole selectively communicates with the heater core port, according to changes of a rotation angle of the valve body.2. The flow control valve of claim 1 , wherein:the valve body includes a first layer part, a second layer part, and a third layer part, which are discriminated from each other along an axial direction of the valve body;the first layer part has the first flow control hole formed therethrough; andthe block port and the radiator port are independently arranged along a circumferential direction of the first layer part.3. The flow control valve of claim 2 , wherein:the second layer part has the second flow control hole formed therethrough, and the heat exchanger ...

SPOOL SHUTTLE CROSSOVER VALVE AND COMBUSTION CHAMBER IN SPLIT-CYCLE ENGINE

A split-cycle engine includes: a first cylinder housing a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke; a second cylinder housing a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke; and a valve chamber housing a valve, the valve comprising an internal chamber that selectively fluidly couples to the first and second cylinders, wherein the valve and internal chamber move within the valve chamber and relative to the first and second cylinders. 1. A split-cycle engine comprising:a first cylinder housing a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke;a second cylinder housing a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke; anda valve cylinder housing a valve, the valve comprising an internal chamber that selectively fluidly couples to the first and second cylinders, wherein the valve and internal chamber move reciprocally within the valve cylinder and relative to the first and second cylinders, and wherein the valve has a port that fluidly couples the internal chamber to the first and second cylinder.2. The engine of claim 1 , wherein claim 1 , during movement of the valve claim 1 , the internal chamber fluidly couples with the first cylinder and fluidly couples with the second cylinder separately.3. The engine of claim 1 , wherein claim 1 , during movement of the valve claim 1 , the internal chamber fluidly couples with the first cylinder and fluidly couples with the second cylinder simultaneously.4. The engine of claim 3 , wherein claim 3 , during movement of the valve claim 3 , the internal chamber fluidly couples with the first cylinder and fluidly couples with the second cylinder simultaneously claim 3 , and wherein the valve and ...

SPOOL SHUTTLE CROSSOVER VALVE AND COMBUSTION CHAMBER IN SPLIT-CYCLE ENGINE

A split-cycle engine includes: a first cylinder housing a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke; a second cylinder housing a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke; and a valve chamber housing a valve, the valve comprising an internal chamber that selectively fluidly couples to the first and second cylinders, wherein the valve and internal chamber move within the valve chamber and relative to the first and second cylinders. 1. A method of operating a combustion engine comprisingcompressing a working fluid in a first cylinder housing a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke;transferring the working fluid from the first cylinder to an internal chamber of a valve, wherein the valve is housed in a valve cylinder of the engine; andtransferring the working fluid from the internal chamber to a second cylinder housing a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke,fluidly coupling the internal chamber to the first and second cylinders, andmoving the valve and internal chamber linearly and reciprocally within the valve cylinder and relative to the first and second cylinders.2. The method of claim 1 , wherein fluidly coupling the internal chamber to the first and second cylinders comprises no simultaneous fluid coupling of the internal chamber claim 1 , the first cylinder claim 1 , and the second cylinder throughout the cycle.3. The method of claim 1 , wherein fluidly coupling the internal chamber to the first and second cylinders comprises fluidly coupling the internal chamber to the first and second cylinder simultaneously.4. The method of claim 1 , wherein the valve and internal chamber comprise a maximum velocity and ...

ENGINE COOLING SYSTEM AND METHOD FOR A SPARK IGNITED ENGINE

Systems, devices, and method are disclosed for differentially cooling an internal combustion engine. A cooling system includes a first cooling circuit configured to lower a temperature of a cooling fluid to a first temperature where the first cooling circuit is configured to dispense a first portion of the cooling fluid to cylinder walls and non-cylinder or non-combustion surfaces of the engine. The cooling system also includes a second cooling circuit configured to lower the temperature of a remaining or second portion of the cooling fluid to a second temperature that is lower than the first temperature where the second cooling circuit is configured to dispense the remaining portion of the cooling fluid to cylinder or combustion surfaces within one or more cylinders of the internal combustion engine. 1. A coolant system for an internal combustion engine , the system comprising:a first cooling circuit configured to lower a temperature of a cooling fluid to a first temperature, the first cooling circuit is configured to dispense a first portion of the cooling fluid to a non-cylinder surface and/or a non-combustion surface of the internal combustion engine; anda second cooling circuit configured to lower the temperature of a remaining portion of the cooling fluid to a second temperature that is lower than the first temperature, the second cooling circuit is configured to dispense the remaining portion of the cooling fluid onto a cylinder surface or a combustion surface of the internal combustion engine.2. The coolant system of claim 1 , wherein the non-cylinder or non-combustion surfaces include one or more engine components that are not located within a cylinder of the internal combustion engine.3. The coolant system of claim 1 , wherein the cylinder or combustion surfaces include internal surfaces within one or more cylinders of the internal combustion engine that are not a wall of the cylinder.4. The coolant system of claim 3 , wherein the cylinder or combustion ...

BORE BRIDGE AND CYLINDER COOLING

An engine includes a cylinder block with first and second saw cuts intersecting a block face on opposed sides of a block bore bridge. A cylinder head has third and fourth saw cuts intersecting a head face on opposed sides of a head bore bridge. A gasket is placed between the block and the head. The gasket defines a cooling passage adapted to fluidly connect the first, second, third and fourth saw cuts and cool the interbore region of the engine. The cooling passage has an inlet and a pair of outlets. 1. An internal combustion engine comprising:a cylinder block defining a block deck face, first and second cylinders, and a block cooling jacket, wherein the first and second cylinders are adjacent to one another and separated by a block bore bridge;a cylinder head having a head deck face defining first and second chambers, and a head cooling jacket, the first and second chambers adjacent to one another and separated by a head bore bridge, wherein the first chamber and the first cylinder form a first combustion chamber, and the second chamber and the second cylinder form a second combustion chamber; anda head gasket positioned between the cylinder block and the cylinder head, the head gasket having a block side and a head side;wherein the block cooling jacket has a first saw cut and a second saw cut intersecting the block deck face on either side of the block bore bridge;wherein the head cooling jacket has a first channel and a second channel intersecting the head deck face on either side of the head bore bridge; andwherein the head gasket defines a cooling passage adapted to fluidly connect the first and second saw cuts with the first and second channels such that coolant flows from the block jacket to the head jacket to cool the associated bore bridge.2. The internal combustion engine of wherein the cooling passage of the head gasket is y-shaped.3. The internal combustion engine of wherein the cooling passage of the head gasket has an inlet on a block side of the ...

CASTING PRODUCT AND MANUFACTURING METHOD THEREOF

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

Liquid Cooled Radial Power Plant Having An External Coolant Manifold

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

INTERNAL COMBUSTION ENGINE

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

METHODS AND SYSTEMS FOR A COOLING ARRANGEMENT

Methods and systems are provided for a cooling arrangement. In one example, the cooling arrangement comprises flowing coolant to only an upper portion of a cylinder head during a cold-start. The cooling arrangement comprises flowing coolant to a cylinder block, a lower portion of the cylinder-head, and the upper portion of the cylinder head outside of the cold-start. 1. A cooling arrangement for an engine , comprising:a high-temperature cooling circuit comprising a primary pump and a low-temperature coolant circuit comprising a secondary pump smaller than the primary pump; anda controller with computer-readable instructions stored on non-transitory memory thereof that when executed enable the controller to:activate the secondary pump and deactivate the primary pump during an engine cold-start, wherein coolant only flows through an upper cylinder-head portion separate from coolant jackets of the engine block and a lower cylinder-head portion.2. The cooling arrangement of claim 1 , wherein coolant flows from the upper cylinder-head portion claim 1 , through an EGR valve claim 1 , and to a charge-air cooler arranged in the low-temperature coolant circuit before it returns to the upper cylinder-head portion.3. The cooling arrangement of claim 1 , wherein coolant flows from the upper cylinder-head portion claim 1 , through an EGR valve claim 1 , through an EGR cooler claim 1 , and to a charge-air cooler arranged in the low-temperature coolant circuit before it returns to the upper cylinder-head portion.4. The cooling arrangement of claim 1 , wherein coolant flows from the upper cylinder-head portion claim 1 , through an EGR valve claim 1 , through an EGR cooler claim 1 , through an HVAC system claim 1 , and to a charge-air cooler arranged in the low-temperature coolant circuit before it returns to the upper cylinder-head portion.5. The cooling arrangement of claim 4 , wherein the high-temperature coolant circuit comprises a transmission oil cooler claim 4 , an oil filter ...

CONTROL METHOD FOR COOLING SYSTEM

A control method for a cooling system is provided. The method includes determining whether the output signals of a first coolant temperature sensor and a second coolant temperature sensor satisfy a predetermined coolant overheating condition. A coolant control valve unit is operated to move the cam to a maximum position when the predetermined coolant overheating condition is satisfied. Additionally, a control temperature is determined according to an output signal of the first coolant temperature sensor and the second coolant temperature sensor and an operation of the injector is limited according to the determined control temperature. 1. A control method for a cooling system , comprising:determining, by a controller, whether output signals of a first coolant temperature sensor and a second coolant temperature sensor satisfied a predetermined coolant overheating condition, wherein the first coolant temperature sensor and the second coolant temperature sensor are part of a vehicle operation state detecting portion of the cooling system;operating, by the controller, a coolant control valve unit of the cooling system to move a cam of the coolant control valve unit to a maximum position when the predetermined coolant overheating condition is satisfied, wherein the cam adjusts opening rates of a first coolant passage through which the coolant distributed to a heater flows, a second coolant passage through which the coolant distributed to a radiator flows and a third coolant passage through which the coolant discharged from a cylinder block flows;determining, by the controller, a control temperature according to an output signal of the first coolant temperature sensor and the second coolant temperature sensor; andlimiting, by the controller, an operation of an injector of the cooling system according to the determined control temperature.2. The control method of claim 1 , wherein the maximum position is a position where the first coolant passage and the third coolant ...

ENGINE COOLING STRUCTURE

A water jacket spacer is arranged to surround substantially an entire periphery of a portion of the cylinder liner which corresponds to the water jacket. An opening through which a coolant introduced from a coolant-introducing section is introduced to an inner side of a water jacket spacer is formed in a portion of the water jacket spacer which corresponds to the coolant-introducing section. An upper section of the water jacket spacer is positioned close to a cylinder block outer peripheral wall. A coolant passage through which the coolant introduced from the opening is circulated around an outer periphery of an upper portion of the cylinder liner is formed between the upper section of the water jacket spacer and the outer periphery of the upper portion of the cylinder liner. A lower section of the water jacket spacer is positioned close to the cylinder liner. 1. An engine cooling structure in which a water jacket surrounds a cylinder liner of a cylinder block forming part of an engine , a coolant-introducing section through which a coolant is introduced into the water jacket is formed in a cylinder block outer peripheral wall constituting an outer periphery of the water jacket , and a water jacket spacer is arranged in the water jacket , whereinthe water jacket spacer is arranged to surround substantially an entire periphery of a portion of the cylinder liner which corresponds to the water jacket,an opening through which the coolant introduced from the coolant-introducing section is introduced to an inner side of the water jacket spacer is formed in a portion of the water jacket spacer which corresponds to the coolant-introducing section,an upper section of the water jacket spacer is positioned close to the cylinder block outer peripheral wall,a coolant passage through which the coolant introduced from the opening is circulated around an outer periphery of an upper portion of the cylinder liner is formed between the upper section of the water jacket spacer and the ...

COOLING STRUCTURE FOR INTERNAL COMBUSTION ENGINE

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

COOLING SYSTEM OF ENGINE

A cooling system of an engine may include a cylinder liner formed in a hollow cylindrical shape and pressed against an inside of a cylinder of the engine, a block coolant jacket positioned in an outer side of the cylinder liner in a radial direction to cool a cylinder block, the cylinder block provided with the cylinder liner and the block coolant jacket therein, and a cylinder head engaged on the cylinder block, including an exhaust port and an intake port fluidically-communicated with a combustion chamber and respectively formed at an exhaust side and an intake side, and provided with a head coolant jacket inside, in which the block coolant jacket includes an upper coolant jacket and a lower coolant jacket and a division wall is disposed between the upper coolant jacket and the lower coolant jacket to block fluid flow therebetween. 1. A cooling system of an engine comprising:a cylinder liner formed in a hollow cylindrical shape and pressed against an inside of a cylinder of the engine;a block coolant jacket positioned in an outside of the cylinder liner in a radial direction to cool a cylinder block;the cylinder block provided with the cylinder liner and the block coolant jacket therein; anda cylinder head engaged on the cylinder block, including an exhaust port and an intake port fluidically-communicated with a combustion chamber and respectively formed at an exhaust side and an intake side of the cylinder head, and provided with a head coolant jacket inside of the cylinder head, an upper coolant jacket formed in a shape covering an upper portion of the cylinder liner; and', 'a lower coolant jacket formed in a shape covering a lower portion of the cylinder liner and separated from the upper coolant jacket, and, 'wherein the block coolant jacket includeswherein a division wall is disposed between the upper coolant jacket and the lower coolant jacket to block fluid flow therebetween.2. The cooling system of the engine of claim 1 , wherein the upper coolant jacket ...

INTERNAL COMBUSTION ENGINE

A cylinder structure includes cylinders arranged inline. A cooling channel facing a first side wall of the cylinder structure includes a first inner channel and a first outer channel. The first inner channel is arranged for a first cooling medium to flow through. The first outer channel is away from the first side wall than the first inner channel is, and arranged for a second cooling medium to flow through. A cooling channel facing a second side wall of the cylinder structure includes a second outer channel and a second inner channel. An upstream part of the second outer channel is connected to a downstream part of the first outer channel. The second inner channel is close to the second side wall than the second outer channel is. Connection channels connecting between the second outer channel and the second inner channel are respectively provided at positions facing the cylinders. 1. An internal combustion engine comprising:a cylinder structure comprising a plurality of cylinders arranged inline; anda cooling channel arranged around a side wall of the cylinder structure, and through which a cooling medium flows, wherein a first side wall on one of an intake side and an exhaust side; and', 'a second side wall on another of the intake side and the exhaust side, and, 'the side wall of the cylinder structure comprises an inlet to which the cooling medium is injected;', 'a first inner channel facing the first side wall, whose upstream part being connected to the inlet, and arranged for a first cooling medium of the injected cooling medium to flow through;', 'a first outer channel facing the first side wall, being away from the first side wall than the first inner channel is, whose upstream part being connected to the inlet, and arranged for a second cooling medium of the injected cooling medium to flow through;', 'a second outer channel facing the second side wall, whose upstream part being connected to a downstream part of the first outer channel, and arranged for the ...

CONTROL METHOD OF COOLING SYSTEM HAVING COOLANT CONTROL VALVE UNIT

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

ENGINE SYSTEM HAVING COOLANT CONTROL VALVE

An engine system may include a first cylindrical valve in which a first outlet is formed from an interior surface to an exterior surface thereof and a second cylindrical valve inserted into the first cylindrical valve, an exterior circumference thereof sliding on the interior circumference of the first cylindrical valve, wherein a second outlet is formed to the second cylindrical valve corresponding to the first outlet, and the second cylindrical valve is separately rotatable in the first cylindrical valve, a drive portion that is engaged to the first cylindrical valve and the second cylindrical valve and disposed to respectively rotate the first cylindrical valve and the second cylindrical valve, and a control portion that controls the drive portion depending on a driving condition such that an overlapped area of the first outlet and the second outlet is controlled and coolant flowing the overlapped area is controlled. 1. An engine system having a coolant control valve , comprising:a first cylindrical valve in which a first outlet is formed from an interior surface to an exterior surface thereof, wherein the first cylindrical valve is rotatably disposed along a length direction central axis;a second cylindrical valve that is inserted into the first cylindrical valve, an exterior circumference thereof sliding on the interior circumference of the first cylindrical valve, wherein a second outlet is formed to the second cylindrical valve corresponding to the first outlet of the first cylindrical valve, and the second cylindrical valve is separately rotatable in the first cylindrical valve;a drive portion that is engaged to the first cylindrical valve and the second cylindrical valve and disposed to respectively rotate the first cylindrical valve and the second cylindrical valve; anda control portion that controls the drive portion depending on a driving condition such that an overlapped area of the first outlet and the second outlet is controlled and coolant flowing ...

OIL SUPPLY STRUCTURE OF WATER-COOLED INTERNAL COMBUSTION ENGINE

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

CARBURETED ENGINE HAVING AN ADJUSTABLE FUEL TO AIR RATIO

A simple engine, comprises (1) a cylinder, and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path. 1. A simple engine , comprising:(1) a cylinder, and a spark plug in the cylinder,(2) a carburetor, fluidly connected to the cylinder,(3) a primary air intake path, fluidly connecting atmosphere to the carburetor,(4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor, and(5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.2. The simple engine of claim 1 , wherein the engine further comprises an air filter claim 1 , andthe carburetor bypass air intake path draws air through the air filter.3. The simple engine of claim 1 , wherein the engine further comprises an air filter claim 1 , andboth the primary air intake path, and the carburetor bypass air intake path, draw air through the air filter.4. The simple engine of claim 1 , wherein the engine further comprising a gasket spacer claim 1 , between the carburetor and the cylinder claim 1 , andthe carburetor bypass air intake path feeds air into the gasket spacer.5. The simple engine of claim 4 , wherein the gasket spacer comprises a metal.6. The simple engine of claim 4 , wherein the gasket spacer comprises brass.7. A generator claim 1 , comprising the simple engine of .8. A flexible fuel generator claim 3 , comprising the simple engine of .9. The flexible fuel generator of claim 8 , further comprising:(6) a primary fuel tank, fluidly connected to the carburetor,(7) a coolant path, which provide a flow path for ...

METHOD FOR PRODUCING A HEAT EXCHANGER AND RELEVANT HEAT EXCHANGER

The invention relates to a method for producing a heat exchanger, wherein at least one microchannel, placed within a plate having an upper face and a lower face and precisely arranged between said upper face and lower face is obtained by making a groove on the upper face of the plate, said groove extending between an open extremity facing on the upper face and a blind extremity placed inside the plate, and machining the blind extremity of the groove to create a volume of a suitable size to house a tube inserted in the microchannel, said tube being fixed inside the microchannel by generating an interference between the tube and the microchannel. The invention relates also to a heat exchanger obtained by such method. 1. Method for producing a heat exchanger , comprising the steps of:making at least one microchannel within a plate having an upper face and a lower face, said microchannel extending inside the plate between the upper face and the lower face,inserting a tube inside the microchannel andgenerating interference between the tube and the microchannel so as to fix the tube inside the microchannel,wherein the microchannel is made according to the following steps:a) making a groove on the upper face of the plate, said groove extending between an open extremity facing on the upper face and a blind extremity placed inside the plate,b) machining the blind extremity of the groove to create a volume of a suitable size to house the tube.2. Method according to claim 1 , wherein both the groove according to step a) and the machining of the blind extremity of the groove according to step b) are performed by means of wire electric discharge machining.3. Method according to claim 1 , wherein the microchannel is made by milling the plate using a milling cutter comprising a thin body with an enlarged head towards a free end of the milling cutter claim 1 , the method providing to mill the plate by means of a relative movement of the milling cutter in a plane orthogonal to the ...

Systems and Methods for Controlling Coolant and Fuel Enrichment

An engine control system for an engine includes: a pump control module configured to control a coolant pump; a block control module configured to control opening of a block valve; a fuel control module configured to control fueling of the engine; a coolant control module configured to control a position of a coolant valve; and an adjustment module configured to, when the coolant pump is pumping, the block valve is open, and the coolant valve is positioned such that an input is connected to an output, adjust the fueling of the engine such that fueling of the engine is fuel rich. 1. An engine control system for an engine , comprising:a pump control module configured to control application of power to an electric coolant pump based on a target speed;a block control module configured to control opening of a block valve, wherein the block valve is configured to block coolant flow through a block portion of the engine when the block valve is closed and to allow coolant flow through the block portion of the engine when the block valve is open;a fuel control module configured to control fueling of the engine;a coolant control module configured to control a position of a coolant valve, wherein the coolant valve has a first input that receives coolant after the coolant flows through the engine, a second input that receives coolant directly from the electric coolant pump, and an output that is connected to at least one of an engine oil heat exchanger and a transmission oil heat exchanger; andan adjustment module configured to, after the target speed of the electric coolant pump is set to a predetermined maximum speed, the block valve is open, and the coolant valve is positioned such that the second input is connected to the output, adjust the fueling of the engine such that fueling of the engine is fuel rich.2. The engine control system of wherein the adjustment module is configured to open the block valve after the target speed is set to the predetermined maximum speed when a ...

INTERNAL COMBUSTION ENGINE BODY

An internal combustion engine body includes a cylinder block including a plurality of cylinders, a first water jacket, and a second water jacket, and a cylinder head including an in-head water jacket. The in-head water jacket includes an intake-side flow passage. The cylinder block and the cylinder head are provided such that a flow rate of coolant that directly flows into the intake-side flow passage after flowing into the first water jacket is higher than a flow rate of coolant directly flows into any region other than the intake-side flow passage after flowing into the first water jacket. 1. An internal combustion engine body comprising:a cylinder block including a first water jacket and a second water jacket that are provided around a plurality of cylinders; anda cylinder head including an in-head water jacket, whereinthe in-head water jacket includes an intake-side flow passage that communicates with the first water jacket and the second water jacket and that is provided around an intake port,at least part of the first water jacket is provided on intake sides of the plurality of the cylinders,at least part of the second water jacket is provided on exhaust sides of the plurality of the cylinders,the first water jacket has an inflow port into which coolant flows from an outside of the internal combustion engine body,the cylinder block and the cylinder head are provided such that a flow rate of the coolant that directly flows into the intake-side flow passage after flowing into the first water jacket is higher than a flow rate of the coolant directly flows into any region other than the intake-side flow passage after flowing into the first water jacket, andeach of the intake sides is a side where the intake port is provided with respect to a plane containing axes of the plurality of the cylinders in a direction perpendicular to the plane, and each of the exhaust sides is a side where an exhaust port is provided with respect to the plane.2. The internal combustion ...

EXHAUST GAS RECIRCULATION COOLER

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

ENGINE WATER-COOLING DEVICE

There is provided an engine water-cooling device that can increase warming-up efficiency of an engine. The engine water-cooling device includes a thermostat housing that houses a thermostat. The thermostat housing is mounted to a front wall of a cylinder head in one side portion in a width direction of the cylinder head. A cooling water pump is mounted to a front wall of a cylinder block in a central portion in a width direction of the cylinder block. A bypass passage includes an intra-head bypass passage in the cylinder head, and the intra-head bypass passage includes a width-direction passage portion extending from a position behind the thermostat housing to a position behind and above the cooling water pump. 1. An engine water-cooling device comprising: an intra-head cooling water jacket in a cylinder head; a thermostat; a bypass passage; a radiator; and a cooling water pump , andconfigured such that engine cooling water in the intra-head cooling water jacket flows back to the cooling water pump via the bypass passage bypassing the radiator and when a water temperature of the engine cooling water detected by the thermostat exceeds a predetermined value, the thermostat causes the engine cooling water in the intra-head cooling water jacket to flow back to the cooling water pump via the radiator,wherein the engine water-cooling device includes a thermostat housing that houses the thermostat, the thermostat housing is mounted to a front wall of the cylinder head in one side portion in a width direction of the cylinder head, the cooling water pump is mounted to a front wall of a cylinder block in a central portion in a width direction of the cylinder block,the bypass passage includes an intra-head bypass passage in the cylinder head, and the intra-head bypass passage includes a width-direction passage portion extending from a position behind the thermostat housing to a position behind and above the cooling water pump.2. The engine water-cooling device according to ...

FREE PISTON APPARATUS

A free piston apparatus includes a piston receptacle in which a piston device having a piston is reciprocable along an axis. The piston receptacle includes or forms a chamber delimited by a wall arrangement forming an inlet opening and an outlet opening. A cooling device is arranged on the piston receptacle for cooling the wall arrangement. The cooling device includes or forms a cooling channel arranged radially outside on the wall arrangement. The cooling channel has first and second cooling regions axially on opposing sides of the outlet opening. The piston receptacle includes or forms an outlet chamber, arranged outside on the wall arrangement, for exhaust gas exiting via the outlet opening. The cooling channel has a third cooling region which flow-connects the first cooling region and the second cooling region along the outlet chamber and is positioned at least in sections radially outside of the outlet chamber. 1. A free piston apparatus comprising a piston receptacle in which at least one piston device having a piston is arranged so as to be reciprocable along an axis , wherein the piston receptacle comprises or forms a combustion chamber delimited by a wall arrangement in which at least one inlet opening for the supply of fresh gas and , spaced apart therefrom in an axial direction , at least one outlet opening for the removal of exhaust gas are formed , wherein the free piston apparatus comprises a cooling device arranged on the piston receptacle for cooling the wall arrangement , wherein the cooling device comprises or forms a cooling channel for a cooling medium which is arranged radially outside on the wall arrangement and at least partially surrounds the same in circumferential direction of the axis , which cooling channel has a first cooling region and a second cooling region axially on opposing sides of the at least one outlet opening , wherein the piston receptacle comprises or forms an outlet chamber , arranged outside on the wall arrangement , for ...

FREE PISTON DEVICE

A free piston apparatus includes a piston receptacle in which a piston device having a piston is reciprocable along an axis. The piston receptacle includes or forms a combustion chamber delimited by a wall arrangement forming an inlet opening for the supply of fresh gas and an outlet opening for the removal of exhaust gas. Fresh gas is suppliable via a supply conduit. The free piston apparatus includes a housing for fresh gas which is connected to the supply conduit in a flow direction of the fresh gas being supplied. The housing forms a settling chamber for fresh gas which surrounds the piston receptacle at least in sections in the region of the inlet opening in a circumferential direction of the axis. The settling chamber opens into the combustion chamber via the inlet opening. 1. A free piston apparatus comprising a piston receptacle in which at least one piston device having a piston is arranged so as to be reciprocable along an axis , wherein the piston receptacle comprises or forms a combustion chamber delimited by a wall arrangement in which at least one inlet opening for the supply of fresh gas and , spaced apart therefrom in axial direction , at least one outlet opening for the removal of exhaust gas are formed , wherein fresh gas is suppliable via a supply conduit , wherein the free piston apparatus comprises a housing for fresh gas which is connected to the supply conduit in flow direction of the fresh gas being supplied , which housing forms a settling chamber for fresh gas which surrounds at least in sections the piston receptacle in the region of the at least one inlet opening in circumferential direction of the axis , which settling chamber opens into the combustion chamber via the at least one inlet opening.2. The free piston apparatus according to claim 1 , wherein the housing is configured such that the settling chamber entirely surrounds the piston receptacle in circumferential direction of the axis.3. The free piston apparatus according to claim ...

FREE PISTON DEVICE AND METHOD FOR OPERATING A FREE PISTON DEVICE

A free piston apparatus includes a piston receptacle in which a piston device having a piston is reciprocable along an axis. The piston receptacle includes a combustion chamber delimited by a wall arrangement forming an inlet opening for the supply of fresh gas and an outlet opening for the removal of exhaust gas. The free piston apparatus includes an inflow device, which has the inlet opening and is configured such that fresh gas flowing into the combustion chamber is directed to an incident flow region in the combustion chamber arranged offset axially to the inlet opening, which incident flow region is arranged off-center relative to the axis. A method for operating a free piston apparatus includes operating an inflow device which has an inlet opening configured such that fresh gas is directed to an incident flow region in a combustion chamber offset axially to the inlet opening. 1. A free piston apparatus comprising a piston receptacle in which at least one piston device having a piston is arranged so as to be reciprocable along an axis , wherein the piston receptacle comprises or forms a combustion chamber delimited by a wall arrangement in which at least one inlet opening for the supply of fresh gas and , spaced apart therefrom in axial direction , at least one outlet opening for the removal of exhaust gas are formed , wherein the free piston apparatus comprises an inflow device for fresh gas , which has the at least one inlet opening and is configured in such a way that fresh gas flowing into the combustion chamber is directed to an incident flow region in the combustion chamber arranged offset axially to the at least one inlet opening in the direction of the at least one outlet opening , which incident flow region is arranged off-center relative to the axis.2. The free piston apparatus according to claim 1 , wherein the inflow device is configured such that a tumble-shaped movement of the inflowing fresh gas in the combustion chamber is achievable claim 1 , ...

Free-piston device and method for operating a free-piston device

A free piston apparatus includes a piston receptacle in which a piston device having a piston is linearly reciprocable. The piston receptacle includes or forms a combustion chamber delimited by a wall arrangement forming a first opening and a second opening. The openings include an inlet opening for the supply of fresh gas and an outlet opening for the removal of exhaust gas for a uniflow scavenging of the combustion chamber. Movement of the piston device is controllable by a control device. The bottom dead center of the piston can be adjustable such that when the piston adopts the bottom dead center, the first opening is partially unblocked and partially blocked for adjusting a free cross sectional area of the first opening. An opening duration can also be adjustable. A method for operating a free piston apparatus includes controlling movement of a piston device with a control device.

ENGINE COOLING SYSTEM

An engine cooling system is provided. The system includes a cylinder block formed that has a block coolant chamber formed therein and a front insert that is inserted downward of an upper portion of a front side and receives coolant in the block coolant chamber to adjust a flow of the coolant. Additionally, a rear insert is inserted downward of an upper portion of a rear side and exhausts the coolant in the block coolant chamber to adjust the flow of the coolant. 1. An engine cooling system , comprising:a cylinder block having a block coolant chamber formed therein;a front insert inserted downward of an upper portion of a front side configured to receive coolant in the block coolant chamber to adjust a flow of the coolant; anda rear insert inserted downward of an upper portion of a rear side configured to exhaust the coolant in the block coolant chamber to adjust the flow of the coolant.2. The engine cooling system of claim 1 , wherein the front insert includes:a first body having a bottom surface supported by a bottom surface of the block coolant chamber; anda first handle that extends to a top surface of the cylinder block formed therein with the block coolant chamber from a top surface of the first body by a first preset distance.3. The engine cooling system of claim 2 , wherein the first body includes a bar type body formed according to a shape of the block coolant chamber.4. The engine cooling system of claim 3 , wherein an exterior diameter of the first handle is less than an exterior diameter of the first body.5. The engine cooling system of claim 1 , wherein the rear insert includes:a second body having a bottom surface supported by a projection formed to have a preset height from the block coolant chamber; anda second handle that extends to a top surface of the cylinder block formed therein with the block coolant chamber from a top surface of the second body by a second preset distance.6. The engine cooling system of claim 5 , wherein the second body ...

Cooling apparatus for internal combustion engine

A cooling apparatus for an engine includes an oil warmer, an engine internal passage, a warmer passage, a water pump, and a thermostat. The warmer passage connects an outlet of the internal passage to an inlet of the internal passage. The thermostat regulates an amount of coolant that flows into the oil warmer. The thermostat includes a valve member, a body, and a plurality of types of wax. The thermostat determines a degree of opening of the valve member in accordance with amounts of expansion of the respective types of wax caused by melting of the respective types of wax. The types of wax include a first wax, which melts at a first temperature, and a second wax, which melts at a second temperature which is higher than the first temperature.

CYLINDER HEAD WITH IMPROVED VALVE BRIDGE COOLING

A cylinder head for use with an internal combustion engine, the cylinder head including a body having a fire deck and defining a water jacket in fluid communication with a cooling system. The cylinder head also includes a first runner defined by the body and open to the fire deck to at least partially form a first valve seat, a second runner defined by the body and open to the fire deck to at least partially form a second valve seat, and a channel defined by the body, where the cooling channel is in fluid communication with the water jacket and positioned between the first runner and the second runner, and where the cooling channel includes a flow diverter configured to produce a turbulent region proximate the fire deck. 1. A cylinder head for use with an internal combustion engine , the cylinder head comprising:a body having a fire deck and defining a water jacket in fluid communication with a cooling system;a first runner defined by the body and open to the fire deck to at least partially form a first valve seat;a second runner defined by the body and open to the fire deck to at least partially form a second valve seat;a channel defined by the body, where the cooling channel is in fluid communication with the water jacket and positioned between the first runner and the second runner, wherein the cooling channel includes an interior surface defining a surface angle between approximately 45 degrees and approximately 90 degrees in at least one location.2. The cylinder head of claim 1 , wherein the interior surface includes a first portion adjacent to the fire deck and a second portion opposite the first portion claim 1 , and wherein the second portion of the interior surface defines a surface angle between approximately 45 degrees and approximately 90 degrees in at least one location.3. The cylinder head of claim 2 , wherein the first portion of the interior surface and the fire deck share a common wall.4. The cylinder head of claim 3 , wherein the common wall ...

CYLINDER HEAD WITH IMPROVED VALVE BRIDGE COOLING

A cylinder head for use with an internal combustion engine, the cylinder head including a body having a fire deck and defining a water jacket in fluid communication with a cooling system, a first runner defined by the body and open to the fire deck to at least partially form a first valve seat, a second runner defined by the body and open to the fire deck to at least partially form a second valve seat, and a channel defined by the in fluid communication with the water jacket and positioned between the first runner and the second runner. The channel, in turn, includes a first inlet through which a first flow enters the channel, a second inlet through which a second flow enters the channel, and where the first inlet and the second inlet are oriented such that the first flow and the second flow interact with one another to create a turbulent region within the channel. 1. A cylinder head for use with an internal combustion engine , the cylinder head comprising:a body having a fire deck and defining a water jacket in fluid communication with a cooling system;a first runner defined by the body and open to the fire deck to at least partially form a first valve seat;a second runner defined by the body and open to the fire deck to at least partially form a second valve seat; a first inlet through which a first flow enters the channel,', 'a second inlet through which a second flow enters the channel, and', 'wherein the first inlet and the second inlet are oriented such that the first flow and the second flow interact with one another to create a turbulent region within the channel., 'a channel defined by the body, where the channel is in fluid communication with the water jacket and positioned between the first runner and the second runner, wherein the channel includes2. The cylinder head of claim 1 , wherein the turbulent region includes a Reynold number>approximately 2300.3. The cylinder head of claim 1 , wherein the channel and the fire deck share a common wall claim 1 , ...

ENGINE COOLING SYSTEM

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

SPOOL SHUTTLE CROSSOVER VALVE AND COMBUSTION CHAMBER IN SPLIT-CYCLE ENGINE

A split-cycle engine includes: a first cylinder housing a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke; a second cylinder housing a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke; and a valve chamber housing a valve, the valve comprising an internal chamber that selectively fluidly couples to the first and second cylinders, wherein the valve and internal chamber move within the valve chamber and relative to the first and second cylinders. 142-. (canceled)43. A split-cycle engine comprising:a first housing comprising a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke;a second housing comprising a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke; anda valve housing comprising a valve chamber, wherein the valve chamber moves within the valve housing to selectively fluidly couple the valve chamber to the first and second housings.44. The engine of claim 43 , wherein claim 43 , during movement of the valve chamber claim 43 , the valve chamber fluidly couples with the first housing and fluidly couples with the second housing separately.45. The engine of claim 43 , wherein claim 43 , during movement of the valve chamber claim 43 , the valve chamber fluidly couples with the first housing and fluidly couples with the second housing simultaneously.46. The engine of claim 45 , wherein the valve chamber comprises a maximum velocity and a minimum acceleration within 15 crankshaft degrees of when the valve chamber is fluidly coupled to the first and second housings simultaneously.47. The engine of claim 46 , wherein the valve chamber comprises a maximum velocity and a minimum acceleration when the valve chamber is fluidly coupled to the first and second ...

INTERNAL COMBUSTION ENGINE, STATE DETERMINATION SYSTEM FOR INTERNAL COMBUSTION ENGINE, DATA ANALYSIS DEVICE, AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

An internal combustion engine includes a state determination device. The state determination device includes a storage device and an execution device. The execution device executes an acquisition process, and a determination process. The execution device executes a guard process of bringing an internal combustion engine state variable closer to an allowable range or a value within the allowable range when the internal combustion engine state variable acquired in the acquisition process is out of the predetermined allowable range. The execution device determines the state of the internal combustion engine based on the internal combustion engine state variable after the guard process in the subsequent determination process when the guard process is executed. 1. An internal combustion engine comprising:a state determination device including a storage device and an execution device, wherein:the storage device is configured to store mapping data that is data defining a mapping that outputs a determination result of a state of the internal combustion engine by using, as an input, an internal combustion engine state variable that is a parameter indicating the state of the internal combustion engine;the execution device is configured to execute an acquisition process of acquiring the internal combustion engine state variable, and a determination process of determining the state of the internal combustion engine based on an output of the mapping using the internal combustion engine state variable as an input;the mapping data is data that has been learned by machine learning;the execution device is configured to, when the internal combustion engine state variable acquired in the acquisition process is out of a predetermined allowable range, execute a guard process of bringing the internal combustion engine state variable closer to the allowable range or making the internal combustion engine state variable be a value within the allowable range; andthe execution device is ...

WATER JACKET SPACER

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

COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

A cooling system for an internal combustion engine is disclosed. The cooling system includes a radiator for exchanging heat between a coolant and ambient air, and a coolant pump for circulating the coolant. The coolant system further includes a first set of fluid connection branches between the coolant pump and the engine block, the cylinder head and the exhaust manifold and a second set of fluid connection branches between the engine block, cylinder head and exhaust manifold and the radiator and/or the coolant pump. A first controlled valve intercepts the coolant towards the radiator so that the coolant is recirculated towards the coolant pump. A second controlled valve intercepts the coolant from the cylinder block. A third controlled valve intercepts the coolant from the integrated exhaust manifold. 113-. (canceled)14. A cooling system for an internal combustion engine having an engine block , a cylinder head and an exhaust manifold integrated in the cylinder head , the cooling system comprising:a radiator for exchanging heat between a coolant and ambient air;a coolant pump for circulating the coolant;a first set of fluid connection branches between the coolant pump and the engine block, the cylinder head and the exhaust manifold;a second set of fluid connection branches between the engine block, cylinder head and exhaust manifold and at least one of the radiator and the coolant pump;a first controlled valve for intercepting the coolant towards the radiator so that the coolant is recirculated towards the coolant pump;a second controlled valve for intercepting the coolant from the cylinder block; anda third controlled valve for intercepting the coolant from the integrated exhaust manifold.15. The cooling system according to claim 14 , wherein said first controlled valve comprising a 3-way valve having an inlet for collecting coolant coming from the internal combustion engine claim 14 , a first outlet in fluid connection with the coolant pump and a second outlet in ...

LIQUID-COOLED INTERNAL COMBUSTION ENGINE

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

CYLINDER HEAD COOLING APPARATUS OF ENGINE

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

WATER JACKET FOR A CYLINDER HEAD

Disclosed is a water jacket for a cylinder head. The disclosed water jacket allows a coolant flowing in a cylinder head to pass around exhaust ports, thereby cooling the cylinder head to equalize the temperature thereof. The disclosed water jacket includes a coolant inlet provided around exhaust port holes of a cylinder head to concentrate a flow of a coolant to the coolant inlet and a coolant passage configured to allow the coolant flowing in through the coolant inlet to flow around the exhaust port holes. 1. A water jacket for a cylinder head , the water jacket comprising:a coolant inlet provided near exhaust port holes of a cylinder head to concentrate a flow of a coolant to the coolant inlet; anda coolant passage configured to allow the coolant flowing in through the coolant inlet to flow around the exhaust port holes.2. The water jacket of claim 1 , further comprising:a first partition wall provided between exhaust port holes of a cylinder and neighboring exhaust port holes of a neighboring cylinder;a second partition wall provided between intake port holes of the cylinder and neighboring intake port holes of the neighboring cylinder; anda passageway communicating with the coolant passage, the passageway provided between an end portion of the first partition wall and an end portion of the second partition wall such that the coolant flows through the passageway.3. The water jacket of claim 2 , whereinthe end portion of the first partition wall is formed in a shape being bent toward a coolant outlet of the coolant passage.4. The water jacket of claim 2 , wherein the coolant passage includes:a first passage configured to allow the coolant having flowed in through the coolant inlet to flow around end portions of the exhaust port holes, the end portions of the exhaust port holes being connected to the combustion chamber.5. The water jacket of claim 4 , whereinthe first passage is configured to branch from the coolant inlet to surround each of the exhaust port holes. ...