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| Number | Title | Issue Date |
| 8166949 | Cylinder head dry valley drain An engine comprises a cylinder head at least partially defining a dry valley and a cover secured to the cylinder head. The cover defines a first aperture. A boss extends from the cylinder head toward the cover. The boss defines a second aperture. A fastener extends ... | 05/01/2012 |
| 8051825 | Through-bolted rocker bar assembly An engine assembly may include an engine block, a cylinder head, and a valvetrain assembly. The cylinder head may be fixed to the engine block. The valvetrain assembly may include a valve actuating member, a support member, and a first fastener engaged with the supp... | 11/08/2011 |
| 8047177 | Cylinder head having an integrally formed port-exhaust manifold assembly A cylinder head having a plurality of integrally formed port-exhaust manifold assemblies therein, wherein the port-exhaust manifold assembly is integrally formed in the cylinder head by extending a plurality of exhaust port of an engine to function as an exhaust man... | 11/01/2011 |
| 7966986 | Cylinder head An exhaust system includes a cylinder head having a plurality of exhaust ports. Integrally formed with the cylinder head are a plurality of independent and separate tubes. The tubes are cast, molded or otherwise integrally formed with the exhaust ports of the cylind... | 06/28/2011 |
| 7913660 | Cylinder head A cylinder head includes: a bottom wall; an outer circumferential wall defining inside thereof a disposition space where valves which open and close combustion chambers, rocker arms, a camshaft which actuates the rocker arms, and a rocker arm shaft which supports th... | 03/29/2011 |
| 7802552 | Gas channeling cylinder head assembly A gas channeling cylinder head assembly for fixed attachment to a cylinder, the cylinder having a slidably mounted piston, the piston being cyclically moveable, the assembly incorporating a plenum having a first port, a second port, and a third port, the first port,... | 09/28/2010 |
| 7784442 | Turbocharged engine cylinder head internal cooling An engine cylinder head has an exhaust manifold cast in the cylinder head. A turbocharger with a turbine body is adapted to mount directly to an exhaust outlet mounting face of the exhaust manifold. A dual level water jacket within the cylinder head has separate coo... | 08/31/2010 |
| 7757654 | Cylinder head A cylinder head in which a partition wall for separating exhaust ports of adjoining cylinders extends from between these adjoining cylinders to an exhaust merging portion and the partition wall is formed with a head bolt insertion hole inside it, an oil passage is f... | 07/20/2010 |
| 7757653 | Integrated exhaust manifold and cylinder head gasket A gasket assembly for an internal combustion engine having a cylinder head gasket and an exhaust manifold gasket. The cylinder head gasket and the exhaust manifold gasket have a common layer of gasket material. The gasket assembly is formed by stamping a cylinder he... | 07/20/2010 |
| 7739994 | Thermoelectric system for an engine An internal combustion engine that includes a block, a cylinder head having an intake valve port and exhaust valve port formed therein, a piston, and a combustion chamber defined by the block, the piston, and the head. At least one thermoelectric device is positione... | 06/22/2010 |
| 7726274 | Internal combustion engine cylinder head An internal combustion engine having at least one cylinder, a block, and a cylinder head having at least one gas exchange channel for conducting gases to and from the cylinder is disclosed. A tube passes through the cylinder head and into a gas exchange channel, whi... | 06/01/2010 |
| 7677219 | Cylinder head A cylinder head includes: a bottom wall portion; an outer circumferential wall portion defining inside thereof a space; a longitudinal wall portion extending to define, in the space, an intake side where an intake camshaft is disposed and an exhaust side where an ex... | 03/16/2010 |
| 7677218 | Cylinder head including a stress slot with filler A seal for an engine is disclosed. The seal may include a cylinder head gasket. The seal may also include a cylinder head having a top surface and a bottom surface, the bottom surface of the cylinder head attached to the cylinder head gasket. The seal may also inclu... | 03/16/2010 |
| 7673609 | Internal combustion engine In an internal combustion engine in which air-intake valves reciprocate in parallel to the direction of reciprocal motion of pistons, an air-intake structure of an internal combustion engine includes an outward projection of the air-intake port that is reduced to ac... | 03/09/2010 |
| 7647912 | Supporting structure and a supporting member for a camshaft In a process of mounting a camshaft 20 to a supporting member 10, a shaft body 21 is firstly inserted into a first bearing hole 13F in the front side of the supporting member 10, before the shaft body 21 is axially moved tow... | 01/19/2010 |
| 7597081 | Engine secondary air system A secondary air injection system for improving emissions of internal combustion engines. The secondary air injection system includes an engine cylinder head and exhaust system designed to be used with or without a secondary air system. ... | 10/06/2009 |
| 7588009 | Layout structure of a fuel injection device in a motor cycle In a motorcycle, the vehicle body frame includes main frames which are inclined rearwardly and downwardly directly towards a rear portion of a vehicle body from a head pipe with the engine being arranged close to an inclined portion of the vehicle body frame and the... | 09/15/2009 |
| 7568463 | Motorcycle engine A motorcycle having: (i) a V-type two-cylinder engine having a front cylinder and a rear cylinder, each cylinder having a head with a right side exhaust port and external cooling fins; (ii) a right side muffler and a left side muffler; and (iii) a front header runni... | 08/04/2009 |
| 7536988 | Cylinder head and internal combustion engine having the same A cylinder head includes a lifter guide boss part, a concave relief groove portion and a guide portion. The lifter guide boss part defines a lifter bore arranged to slidably support a valve lifter. The concave relief groove portion has a predetermined width and a pr... | 05/26/2009 |
| 7520257 | Engine cylinder head A cylinder head of an engine is disclosed, the cylinder head including an upper deck, a lower deck, and a sidewall extending between the upper deck and the lower deck. The lower deck defines a block-engaging portion and a combustion chamber flame deck. The combustio... | 04/21/2009 |
| 7481195 | ICE and flywheel power plant A reciprocating internal combustion engine has an engine block (100) with at least one pair of coaxially aligned cylinders (30L and 30R) in which a dual-headed piston body reciprocates. Two rack gears (27 and 28) are mounted within... | 01/27/2009 |
| 7451734 | V-engine with rotatable cylinder heads A V-engine (10) having two banks of cylinders (30) each comprising at least one cylinder (20) and a cylinder head (40) is envisaged, wherein the banks of cylinders (30) each comprise at least one inlet valve (12) and also at... | 11/18/2008 |
| 7441525 | Cylinder head cover for a cylinder head of an internal combustion engine A cover for a cylinder head of an internal combustion engine having a connecting element for attachment the cylinder head and a sealing element arranged between the cylinder head cover and the cylinder head. The connecting element is associated with a connecting are... | 10/28/2008 |
| 7434549 | Opposed double piston internal combustion engine An internal combustion engine including at least one engine cylinder includes a cylinder cavity with first and second stopping members interconnected by a cylinder wall, the cylinder further includes two piston members slidably moveable within said cylinder cavity a... | 10/14/2008 |
| 7434572 | Cylinder head of an internal combustion engine The invention relates to a cylinder head (1) of an internal combustion engine with a camshaft bearing mechanism (2) situated thereon in which a hollow camshaft (3) is rotatably mounted, forming an outlet for discharging blow-by gases laden with ... | 10/14/2008 |
| 7424878 | Intake port for 4-cycle engine An intake port for a 4-cycle engine includes an intake port base integrally formed with a cylinder head, and an intake port forming member that forms an intake port together with the intake port base. The area of the cross section of the intake port orthogonal to a ... | 09/16/2008 |
| 7412955 | Engine component part and method for producing the same An engine component is composed of an aluminum alloy containing silicon, and includes a plurality of primary-crystal silicon grains located on a slide surface. The plurality of primary-crystal silicon grains have an average crystal grain size of no less than about 1... | 08/19/2008 |
| 7409939 | Cylinder head having an integrally cast rocker shaft pedestal Use of rocker shaft pedestals that are manufactured separately from the cylinder head and subsequently fixed to the cylinder head increases manufacturing and assembly costs of an internal combustion engine. The disclosed cylinder head obviates these problems by prov... | 08/12/2008 |
| 7389759 | Internal-combustion engine An internal-combustion engine has cylinders 21 arranged preferably in a V-formation with corresponding cylinder heads (27) including connectors for the supply and discharge of fluids. The cylinders are mounted in a crankcase (41) and are supplie... | 06/24/2008 |
| 7370618 | Internal combustion engine with five valves per cylinder Otto cycle internal combustion engine, comprising a cylinder block including at least one cylinder having a longitudinal axis, a piston movable within said cylinder and having a recess open on a head surface of the piston, a head fastened to said cylinder block and ... | 05/13/2008 |
| 7367294 | Cylinder head with integral tuned exhaust manifold Provided is a cylinder head including a head casting defining a plurality of exhaust ports. A tuned exhaust manifold is internally defined by the head casting. The tuned exhaust manifold includes a plurality of exhaust runners in communication with the plurality of ... | 05/06/2008 |
| 7353783 | Exhaust gas recirculation device for engine An exhaust gas recirculation device for an engine having a cylinder head with a suction port and an exhaust port, provided with a mechanism for recirculating a portion of exhaust gas to the suction side of the cylinder head, comprises a connection hole is opened thr... | 04/08/2008 |
| 7341033 | Cylinder head cover First and second attachment portions 6, 8 are formed integrally with a main body 4 and extend along the longitudinal direction of the main body 4. A hydraulic oil supply portion 14 is formed integrally with the main body 4 and exte... | 03/11/2008 |
| 7337755 | Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system A cylinder head cooling structure and an oil temperature control system are provided for an internal combustion engine having a plurality of cylinders, each having a plurality of intake ports and a plurality of exhaust ports. The engine includes cooling oil jackets ... | 03/04/2008 |
| 7305763 | Hydroformed port liner A cylinder head (10) for an internal combustion engine has hydroformed port liners (18) positioned within selected ports, either exhaust and/or intake ports (14, 16). The hydroformed port liner (18) includes an air gap (24) for an ... | 12/11/2007 |
| 7302925 | Manifold gasket having pushrod guide A manifold gasket assembly includes a steel carrier fabricated with a plurality of air intake openings. Rubber material is molded to the carrier body to provide a seal about the openings when the gasket assembly is clamped between a cylinder head and intake manifold... | 12/04/2007 |
| 7299782 | Cylinder head structure for a multi-cylinder internal combustion engine A cylinder head structure for a multi-cylinder internal combustion engine that is mounted on a vehicle so that a cylinder alignment direction goes along a front-rear direction of the vehicle comprises a cylinder head side wall, an upper deck, and a rib. The cylinder... | 11/27/2007 |
| 7287506 | Thermoelectric system In one particular embodiment, an internal combustion engine is provided. The engine comprises a block, a head, a piston, a combustion chamber defined by the block, the piston, and the head, and at least one thermoelectric device positioned between the combustion cha... | 10/30/2007 |
| 7284524 | Cylinder head assemblies Cylinder head assemblies including a cylinder head and a piston are disclosed. The cylinder head includes: a recessed valve region including a first and second bulbous portion connected by a waist, the first bulbous portion accommodating an intake valve and the seco... | 10/23/2007 |
| 7284961 | Pumping system, replacement kit including piston and/or cylinder, and method for pumping system maintenance A pumping system including a pump is disclosed. The pump includes a replacement piston and a replacement cylinder associated with the replacement piston. The replacement piston has a cross sectional area smaller than a cross sectional area of an original piston of t... | 10/23/2007 |
