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| Number | Title | Issue Date |
| 8171896 | Cooling structure of internal combustion engine A cooling structure of an internal combustion engine includes: a cooling water introducing port provided on one end side of a cylinder block; and a water jacket provided so as to surround a cylinder bore wall, wherein cooling water is introduced from the cooling wat... | 05/08/2012 |
| 7334545 | Method and cooling system for cooling an internal combustion engine In a method for cooling an internal combustion engine, in particular in/on a motor vehicle, it is possible for individual components of the internal combustion engine to be cooled individually, for example a cylinder head and/or a cylinder block, by what is known as... | 02/26/2008 |
| 7318395 | Internal combustion engine having a coolant circuit In an internal combustion engine having a coolant circuit which comprises a first coolant line for the cylinder block and a second coolant line for the cylinder head of the engine, with the cylinder head having at least one inlet valve and at least one outlet valve ... | 01/15/2008 |
| 7287493 | Internal combustion engine with hybrid cooling system An internal combustion engine that includes individually-cooled cylinder assemblies. Direct raw-water cooling is provided for the engine's intercooler, oil cooler, and heat exchanger, which is used for the purpose of cooling a fresh water coolant circulating individ... | 10/30/2007 |
| 7261068 | Vehicular thermostatically-controlled dual-circuit cooling system and associated method A dual-circuit cooling system for a vehicle is disclosed. One of the circuits may be used to manage the temperature of the engine while the other circuit may be used to manage the temperature of a component other than the engine. An associated method is disclosed. | 08/28/2007 |
| 7216612 | Internal combustion engine having cylinder formed with water jacket and vehicle provided with the same An internal combustion engine includes a cylinder head, a cylinder having an opposed surface opposed to the cylinder head and including a water jacket, which is concave in an axial direction of the cylinder, and a piston provided in the cylinder. An oil ring is prov... | 05/15/2007 |
| 7207298 | Cooling system for an engine A cooling system for an engine including a cylinder head, a cylinder block, coolant inlet lines, and coolant outlet lines. Coolant inlet lines for introducing coolant respectively to the cylinder head and the cylinder block are separately formed and coolant outlet l... | 04/24/2007 |
| 7131406 | Two-cycle engine having scavenging A two-cycle engine in a portable, manually-guided implement, such as a power chain saw, a cut-off machine, a brush cutter, or the like, is provided. The cylinder has a combustion chamber that is delimited by a reciprocating piston that via a connecting rod drives a ... | 11/07/2006 |
| 7086356 | Engine cooling structure To simplify a coolant piping around an engine in an engine cooling structure, which has a pump mounted on a crankcase for circulating a coolant between cylinder and head jackets. A crankcase has coolant supply passages for guiding a coolant from a pump and coolant r... | 08/08/2006 |
| 7056170 | Water-cooled vertical engine and outboard motor equipped therewith A water-cooled vertical engine includes a cylinder block cooling water jacket formed in a cylinder block and a cylinder head cooling water jacket formed in a cylinder head, the jackets being substantially independent. Cooling water from a cooling water pump is suppl... | 06/06/2006 |
| 6955141 | Engine cooling system A cooling system has a diverter valve to selectively control the flow of coolant through an internal combustion engine having a cylinder block with a cooling jacket and a cylinder head mounted on the block with a cooling jacket. A controller, responsive to the tempe... | 10/18/2005 |
| 6874450 | Engine cooling system An engine cooling system comprises a coolant inlet formed at one side of a cylinder block for allowing a coolant to separately flow into the cylinder block and a cylinder head, and a coolant outlet formed at the other side of the cylinder head for allowing the coola... | 04/05/2005 |
| 6810838 | Individual cylinder coolant control system and method A coolant system and method for control of cylinder temperature in a multiple cylinder internal combustion engine includes an inlet rail for receiving coolant from a pump, an outlet rail located on a side of the cylinder head opposite the inlet rail and a plurality ... | 11/02/2004 |
| 6698388 | Internal combustion engine cooling system This invention relates to a method of cooling an internal combustion engine, to an internal combustion engine assembly. The invention provides an internal combustion engine which has a primary and a secondary flow of coolant together with a method of cool... | 03/02/2004 |
| 6520126 | Cylinder head cooling passage structure of overhead cam type engine A cylinder head cooling passage structure comprises: a cylinder head H1; two intake valves 22; and an exhaust valve 32. The two intake valves 22 are provided in the cylinder head H1 such that the intake valves are substantially symmetric with respect to a... | 02/18/2003 |
| 6418886 | Liquid-cooled internal combustion engine with cylinder banks, which tilt toward one another, in particular a V engine A liquid-cooled internal combustion engine has cylinder banks that tilt toward one another, to for a V engine. A coolant, which is fed to the exhaust gas-sided cooling jackets in the cylinder banks, is fed over cylinder heads with cross flow to cooling ja... | 07/16/2002 |
| 6405689 | V-engine cooling device An object of the present invention is to realize both good cooling balance between two banks (2, 3) and good oil cooling performance, and further reduce temperature difference between the banks. A cooling system for a V-type engine according to the presen... | 06/18/2002 |
| 6182618 | Independent cooling system for alternative internal combustion engines A cooling system for an internal combustion engine includes two independently operated subsystems, one for the cylinder head of the engine and one for the engine block. The cylinder head cooling subsystem includes a pump for flowing a first coolant from a... | 02/06/2001 |
| 6109220 | Marine engine A two-cycle, multi-cylinder engine maintains roughly equal temperatures between cylinders, despite differing exhaust efficiencies between the cylinders. Several ways of reducing the temperature of one of the cylinders in comparison to the other are disclo... | 08/29/2000 |
| 6024056 | Cooling water passage structure in water cooled type V-shaped internal combustion engine A cooling water passage structure for connecting cooling water passages in cylinders forming a V-shape in a water cooled type V-shaped internal combustion engine. A front cooling water passage of a front cylinder communicates with a front cooling water pa... | 02/15/2000 |
| 5842447 | Cylinder block of an internal-combustion engine A cylinder block of an internal-combustion engine of an open-deck construction, in which the cooling water jacket and the oil jacket between the cylinder tube and the cylinder block housing are separated from one another by a connection web which connects... | 12/01/1998 |
| 5836272 | Cylinder head of engine This invention provides a cylinder head capable of efficiently cooling the portion at which a large number of valve ports gather. The present invention provides a cylinder head (20) of an engine equipped with suction and exhaust valve ports (3a, 5a) insid... | 11/17/1998 |
| 5690082 | Structure for supporting EGR valve in engine A water passage is provided separately from an intake manifold to interconnect water jackets provided in a front bank and a rear bank of a horizontal V-type engine. An EGR valve is supported on a valve mounting seat which is provided at a front portion of... | 11/25/1997 |
| 5606937 | In-block cooling arrangement A dual oil cooler arrangement for positioning in a tapered coolant flow cavity of a diesel engine block includes a pair of virtually identical oil coolers each of which are elongated and which are positioned in an end-to-end configuration extending substa... | 03/04/1997 |
| 5529027 | Liquid-cooled internal combustion engine An automotive vehicle powered by a multi-cylinder liquid cooled internal combustion engine. The engine is provided with a cooling jacket wherein localized quenching of the cylinder walls in the area of coolant inlet is reduced by providing a projection on... | 06/25/1996 |
| 5453573 | Engine cooling system During operation of an internal combustion engine, structures adjacent the piston top ring turn around position and the exhaust port are exposed to high temperatures. In order to improve cooling around these adjacent structures, the heat transfer coeffici... | 09/26/1995 |
| 5386805 | Cooling system of an internal combustion engine A cooling system of an internal combustion engine has a plurality of cylinder coolant passages. Each of the passages is provided for one of a plurality of cylinders. The plurality of cylinder coolant passages has grooves provided on outer surfaces of cyli... | 02/07/1995 |
| 5058535 | Parallel flow coolant circuit for internal combustion aircraft engines An improved cooling system for an internal combustion aircraft engine having horizontally opposed cylinders. The cooling system comprises a coolant design which delivers and removes coolant in a parallel circuit. The coolant flows from a common main coola... | 10/22/1991 |
| 4953525 | Cooling system for V type engine A cooling system and crankcase ventilating system for a V type internal combustion engine wherein the crankcase ventilating system includes a crankcase ventilating chamber that is positioned in the valley of the V of the engine. The cooling system include... | 09/04/1990 |
| 4779578 | Fluid-cooled housing of a rotary piston internal combustion engine A liquid or fluid cooled housing of a rotary piston internal combustion engine of trochoidal type of construction consisting of side parts and a dual-arc housing inner surfacing and having an eccentric shaft passing through the side parts. A triangular pi... | 10/25/1988 |
| 4665867 | Cooling structure for multi-cylinder piston-engine cylinder block A cooling structure for a multi-cylinder piston-engine cylinder block includes a side coolant gallery distributing coolant into a water jacket surrounding a group of cylinders arranged from upstream to downstream. The flow cross-section of the coolant gal... | 05/19/1987 |
| 4601265 | Internal combustion engine with improved coolant arrangement An internal combustion engine, of the type having a block with a line of cylinders and a cylinder head attached to the block and coolant distribution and discharge manifolds provided adjacent each other on one side of the block is provided with an improve... | 07/22/1986 |
| 4559908 | Engine block with unitarily cast exhaust gas passages and water jacket cavity Disclosed herein is a method of fabricating an integrally cast engine block including a plurality of cylinders, exhaust passage portions which respectively extend from the cylinders and which form portions of exhaust gas passages of equal length, and a wa... | 12/24/1985 |
| 4190023 | Cooling system for liquid-cooled type of two-cycle multicylinder engine A cooling system adapted for a liquid-cooled type of two-cycle multicylinder engine. The thick-walled portion of a crank case between adjacent cylinders is provided with a cooling-liquid passage. The delivery port of a liquid pump is fixedly secured to on... | 02/26/1980 |
| 3942487 | Internal combustion engine-preferably of in-line construction, especially for motor vehicles An internal combustion engine, preferably of in-line construction, in which the cylinders are cast together at least pair-wise, a cylinder head is mounted on the cylinder block, and additional passages are provided for the cooling water between the cast t... | 03/09/1976 |
