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| Number | Title | Issue Date |
| 7726267 | Air gap insulation with a cylinder liner A cylinder liner for an internal combustion engine, especially a gasoline motor, in which a piston can move between a lower and an upper dead center in an axial direction K, and the cylinder liner has a thrust collar, by which the cylinder liner can be fixed in a ho... | 06/01/2010 |
| 7617805 | Cylinder liner and method construction thereof A cylinder liner for receipt in an internal combustion engine cylinder block having a water cooling jacket surrounding a portion of the cylinder liner and method of construction thereof. The cylinder liner has a wall with an inner surface providing a cylinder bore e... | 11/17/2009 |
| 7392771 | Cylinder block and cylinder sleeve, method of producing cylinder block and cylinder sleeve by friction stir welding, and friction stir welding method A cylinder sleeve for being inserted in a cylinder bore defined in a block body of a cylinder block for an internal combustion engine. The cylinder bore includes a first annular recess and a second annular recess, and projecting walls. The cylinder sleeve comprises ... | 07/01/2008 |
| 7383805 | Cylinder liner for insert casting and method for manufacturing thereof A cylinder liner for insert casting and a method for manufacturing the cylinder liner are provided. The cylinder liner and the method are applied to cylinder blocks and improve the adherence and the bonding strength with a cylinder block material in a favorable mann... | 06/10/2008 |
| 7360512 | Low-thermal-inertia intake ports for port-injected, spark ignition engines and an associated manufacturing method The present invention provides an intake port design that provides a low thermal inertia characteristic, thereby decoupling the surface temperature of the intake port walls from that of the coolant through use of an air gap formed between the intake port and the cyl... | 04/22/2008 |
| 7337756 | Cylinder liner for internal combustion engine A coolant groove-type internal combustion engine has a cylinder block that includes a frame having at least one longitudinal surface and a lateral member transverse to the longitudinal surface, the lateral member defining a coolant passage therethrough, wherein the ... | 03/04/2008 |
| 7334546 | Cylinder liner A ductile repair cylinder liner for a diesel engine, the cylinder liner having an additional cooling groove with a parabolic varying cross-section machined into the outer surface of the cylinder liner immediately below the radially extending locating flange for the ... | 02/26/2008 |
| 7322320 | Engine cylinder block A cylinder block including a block with two parts, a cylinder liner portion defining an inner wall of a water jacket and a cylinder block body defining an outer wall of the water jacket. The water jacket, which extends around the cylinders, is defined between the cy... | 01/29/2008 |
| 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 |
| 7290506 | Fluid-cooled cylinder liner Particular embodiments of the present invention provide novel fluid-cooled cylinder liners. Preferred liners are annular cylinders containing a plurality of passages, arranged generally parallel to the axis of the cylinders, and integrated between the inner and oute... | 11/06/2007 |
| 7278639 | Edge coated gaskets and method of making same An edge coated gasket includes a base sheet made of compressible gasket material and having opposed faces and an interior edge surrounding and defining an aperture. An edge coating of polymer or other material is disposed on and seals the interior edge of the base s... | 10/09/2007 |
| 7273029 | Cylinder liner and cylinder block A cast iron cylinder liner of the present invention includes a plurality of grooves formed on an outer surface of the cylinder liner. Each of the grooves extends in a circumferential direction of the cylinder liner in a ring or spiral shape, and the grooves divide t... | 09/25/2007 |
| 7255069 | Cylinder sleeve support for an internal combustion engine The disclosed multi-cylinder, poppet-valved engine, has replacement cylinder sleeves larger than the original sleeves, and laterally supported near their upper ends by an aluminum alloy plate having a continuous flange or boss projecting into the cylinder block. The... | 08/14/2007 |
| 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 |
| 7191770 | Insulated cylinder liner for a marine engine An engine is made by providing a layer of material between the outer surface of a cylinder liner and the inner surface of the cylinder opening within an engine block. The material can be a polymer or a ceramic. Polyether ether ketone or polyethylene terephthalate ca... | 03/20/2007 |
| 7146939 | Anti-cavitation diesel cylinder liner A wet-style cylinder liner (16) for a diesel engine is provided with a surface texture (28) to combat the effects of cavitation-induced erosion. The surface texture (28) can be formed as a coating (30) of manganese phosphate applied about... | 12/12/2006 |
| 7059292 | Sealing structure for divided type cylinder block A cylinder block includes an inner block member having a cylinder liner portion and an outer block member having a cylinder outer wall portion. With the inner and outer block members assembled together, a water jacket is defined between the outer and inner circumfer... | 06/13/2006 |
| 7044089 | Cylinder head structure of engine In a cylinder head structure of a multi-cylinder engine, a head-side water jacket is provided in the cylinder head, a lateral rib extending in the engine width direction is provided at an upper face of the portion located between cylinders of bottom deck, the latera... | 05/16/2006 |
| 7000584 | Thermally insulated cylinder liner An engine is provided with a plurality of cylinders and cylinder liners that are shaped to define a plurality of spaces between the liners and the engine block. These spaces provided an insulative barrier that at least partially restricts the flow of heat from the l... | 02/21/2006 |
| 6976466 | Cylinder block and crankcase for a liquid-cooled internal-combustion engine A cylinder block and crankcase for a liquid-cooled internal-combustion engine is to be constructed by composite casting, a magnesium case being cast around an aluminum power unit block. The cylinder block and crankcase is conceived such that the aluminum power unit ... | 12/20/2005 |
| 6923998 | Edge coated gaskets and method of making same An edge coated gasket includes a base sheet made of compressible gasket material and having opposed faces and an interior edge surrounding and defining an aperture. An edge coating of polymer or other material is disposed on and seals the interior edge of the base s... | 08/02/2005 |
| 6920859 | Cylinder liner A cylinder liner that can be accurately positioned and can securely maintain a stable state relative to a base metal of a cylinder block to thereby minimize deformation of the cylinder bore, limit abrasion of a piston and a piston ring, reduce consumption of oil and... | 07/26/2005 |
| 6799541 | Cylinder sleeve with coolant groove A cylinder sleeve for an internal combustion engine having an engine block and a cylinder head. The cylinder sleeve includes a cylindrical section having a top portion and a bottom portion, and configured to receive a cylinder piston that reciprocates in the block. ... | 10/05/2004 |
| 6733903 | Insert of pour-around die casting, rust preventive oil for insert of pour-around die casting, and method for pouring around an insert Disclosed are an insert of pour-around die casting, which is incorporated by an aluminum alloy die casting and has an organic film formed on the surface of the insert, wherein the organic film contains a higher fatty acid ester, a petroleum sulfonate and a mineral o... | 05/11/2004 |
| 6729272 | Cylinder head cooling construction for an internal combustion engine Deflecting ribs are provided within a coolant jacket formed in a cylinder head in such a manner as to protrude upwardly from bottom walls for directing the flow of coolant toward exhaust-valve-port side port wall portions The deflecting ribs for deflecting part of t... | 05/04/2004 |
| 6722320 | Cylinder liner A cylinder liner for an internal combustion engine provides a method of replacement of spent cylinder liners, wherein the cylinder liner includes a generally cylindrical body having a flange extending radially outwardly defining a shoulder. The shoulder provides a p... | 04/20/2004 |
| 6675750 | Cylinder liner The subject invention is a cooling system of an internal combustion engine having a wet-sleeve cylinder liner that improves heat reduction efficiency as compared with traditional cylinder liners. The improved liner has an outer surface with a plurality of... | 01/13/2004 |
| 6615791 | Modular internal combustion engine The present invention relates to a modular internal combustion engine assembly that includes a closed-dome cylinder liner having solenoid actuated intake and exhaust valves supported within the dome portion of the cylinder liner. The engine assembly also ... | 09/09/2003 |
| 6439173 | Internal combustion engine with cylinder insert An internal combustion engine includes an engine block having a head seat surface and a cylinder opening extending from the head seat surface into an interior of the engine block, and a cylinder insert residing within the cylinder opening and having an in... | 08/27/2002 |
| 6363894 | Diesel engine having a cylinder liner with improved cooling characteristics An internal combustion engine including a cylinder block having at least one cylinder bore and a cylinder liner concentrically disposed within the cylinder bore and secured to the cylinder block. The cylinder liner includes a main body portion and an uppe... | 04/02/2002 |
| 6357400 | Piston sleeve The piston sleeve has a radial positioning surface adjacent to the top surface and an axial positioning surface separated from radially positioning surface by a coolant contact surface. A piston bore extending the length of the piston sleeve is machined t... | 03/19/2002 |
| 6328001 | Replaceable cylinder liner with improved cooling A replaceable cylinder liner for an internal combustion engine. The position of the liner within the block is established by a midstop. An interference fit below the midstop seals the bottom end of a cooling passage that extends around the liner. The top ... | 12/11/2001 |
| 6263840 | Motorblock and cylinderliner therefor The present invention concerns an engine block (1) of a metal material for a multicylinder internal combustion engine, with a housing (2), in which cylinder boreholes (5) are provided, whereby the outer surfaces of side walls (6) of cylinder boreholes (5)... | 07/24/2001 |
| 6167847 | Cylinder liner for a liquid-cooled internal combustion engine A cylinder liner for a liquid-cooled internal combustion engine, includes a cylinder liner collar which is adjacent to a cylinder head sealing plane and into which is formed at least one circular cooling duct. In order to ensure adherence to a temperature... | 01/02/2001 |
| 6145481 | Cooling ring for a cylinder liner in an internal combustion engine An internal combustion engine includes a cylinder block with a cylinder bore. A cylinder liner within the cylinder bore has a distal end with an outside diameter. A cooling ring has a first inside diameter, a larger second inside diameter and a plurality ... | 11/14/2000 |
| 6123052 | Waffle cast iron cylinder liner A cast iron cylinder liner for use in an engine block. The liner is cast to have a number of longitudinal grooves and machined to have a number of intersecting annular grooves to create an inverted waffle-like pattern of ridges and grooves on the outer ci... | 09/26/2000 |
| 6116198 | Replaceable cylinder liner with improved cooling A replaceable cylinder liner for an internal combustion engine. The position of the liner within the block is established by a midstop. An interference fit below the midstop seals the bottom end of a cooling passage that extends around the liner. The top ... | 09/12/2000 |
| 6036194 | Combustion gas seal for an internal combustion engine A combustion seal for sealing high pressure combustion gas within at least one cylinder of an internal combustion engine including a cylinder block, a cylinder head having a groove formed in its bottom face, a cylinder liner having a complementary groove ... | 03/14/2000 |
| 5979374 | Control cooled cylinder liner A replaceable cylinder liner for an internal combustion engine having a liner stop positioned within a cylinder cavity at a point intermediate the extremes of travel of a piston disposed for reciprocating travel within the cylinder cavity. The liner inclu... | 11/09/1999 |
| 5860469 | Method of manufacturing a cylinder block A method of manufacturing a cylinder block comprising one or more cylinders, the or each cylinder being adapted to receive a piston therein, the method comprising making a cylinder liner by squeeze casting, in an aluminium-silicon alloy produced from a me... | 01/19/1999 |
