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| Number | Title | Issue Date |
| 8127737 | Unfinished cylinder head casting, cast cylinder head for diesel internal combustion engines, and process for producing an unfinished cylinder head casting An unfinished cylinder head casting for producing a cylinder head for internal combustion engines powered with diesel fuel includes a sealing surface, intended for mounting in a finished state on a corresponding sealing surface of an engine block, and designed on a ... | 03/06/2012 |
| 7856955 | Supporting sleeve for cylinder head screws and cylinder head The invention relates to a supporting sleeve (10) for cylinder head screws, which is provided with a self-threading external thread. ... | 12/28/2010 |
| 7789060 | Cylinder head gasket for an internal combustion engine A gasket (122) includes a first plurality of cylinder openings (402) arranged to correspond, one each, to a corresponding first plurality of cylinder bores (106) formed in a crankcase (102) of an internal combustion engine (100). A... | 09/07/2010 |
| 7533648 | Compression ignition internal combustion engine having combustion chambers for high ignition pressures A compression ignition internal combustion engine having at least one combustion chamber for high ignition pressures. Each combustion chamber comprises a cylinder bore in the crankcase or a cylinder liner in the cylinder bore, a piston, and a cylinder head. Spaces f... | 05/19/2009 |
| 7520256 | Fastening structure for cylinder head and divided type cylinder block of engine A cylinder block 3 of an engine 1 is formed by assembling an inner block member 10 and an outer block member 15. The inner block member 10 includes an upper deck portion 7 integrated with a cylinder liner portion 8. T... | 04/21/2009 |
| 7484493 | Insert for a cylinder sleeve or a cylinder of an internal combustion engine An insert for a cylinder sleeve or a cylinder of an internal combustion engine is provided for narrowing the diameter of the cylinder sleeve or cylinder in the region of the upper dead center of a piston guided in the cylinder sleeve or cylinder. The insert is forme... | 02/03/2009 |
| 7472673 | 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... | 01/06/2009 |
| 7438037 | Internal combustion engine and liner installation ring An internal combustion engine includes: a cylinder block having one or more cylinders, a cylinder liner in a tubular shape disposed inside the cylinder; a piston reciprocating inside the cylinder liner and having a top land portion formed of an outer periphery of th... | 10/21/2008 |
| 7341053 | Combustion chamber structure of an internal combustion engine A squish surface having the shape of a plane surface orthogonal to the axis of a piston is formed on the intake side of the piston top surface. A squish area is formed between the squish surface and a plane surface-shaped squish surface on the cylinder head side, an... | 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 |
| 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 |
| 7316214 | Cover for tightly sealing a device A cover for tightly sealing a device comprises at least one elastomer part which is designed to fit tightly against a contact surface of a device, and another part which follows the elastomer part, with the elastomer part being arc-shaped in a transition area to the... | 01/08/2008 |
| 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 |
| 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 |
| 7287758 | Cylinder head gasket with an oil drainback tube fastener A gasket includes at least one gasket layer. The gasket layer has a push rod or cam timing chain opening formed therein. A clip is secured to the gasket layer and positioned within the push rod or timing chain opening. The clip selectively receives and positions an ... | 10/30/2007 |
| 7284525 | Structure for connecting piston to crankshaft There is provided a structure for connecting a piston to a crankshaft in an internal combustion engine, including a piston pin fitted into the piston, a crankpin integral with the crankshaft and a connecting rod having a piston pin bearing portion slidably engaged w... | 10/23/2007 |
| 7258093 | Concave combustion chamber An internal combustion engine is provided with a roughly concave cylinder head, wherein a ridge descends into the combustion chamber. A first wall is formed from the ridge to a cylinder periphery to form a seat for an air intake valve. A second wall is formed from t... | 08/21/2007 |
| 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 |
| 7234705 | Sealing gasket with flexible stopper A sealing gasket assembly includes one or more carriers each having an offset flexible stopper portion spaced laterally outwardly away from an offset inner sealing portion that is adjacent an opening or other area requiring sealing between mating members adapted to ... | 06/26/2007 |
| 7225786 | Oil drain passage structure of cylinder block and core structure thereof The present invention provides an apparatus for achieving precise manufacturing of drain passages such as those used for oil return and blow-by gas discharge in a cylinder block. Grid-like oil drain passage and corresponding core structures are disclosed herein; the... | 06/05/2007 |
| 7168405 | Camshaft drive mechanism Apparatus includes left and right inline type cylinder heads essentially identical to one another and each having an intake side, the left and right cylinder heads being combined into a “V” configuration, so that the two intake sides face one another. A left-hea... | 01/30/2007 |
| 7162991 | Lightweight four-stroke engine A lightweight, four stroke engine includes a crankcase enclosure and at least one piston assembly disposed within the crankcase enclosure. The piston assembly cooperates with the crankcase enclosure to provide an internal pressure to the crankcase enclosure which va... | 01/16/2007 |
| 7104241 | Engine fastening structure An engine fastening structure in which a cylinder body and a cylinder head are stacked on and fastened to a crankcase, characterized in that a case side flange portion 3b formed at a crankcase side end portion of the cylinder body 3 is fastened ... | 09/12/2006 |
| 7089894 | Electromechanical valve actuator assembly A lever electromechanical valve actuator assembly and arrangement of electromechanical valve actuators that creates a compact actuator assembly to increase ease of serviceability, provide space for engine components and eliminate interference between the actuators a... | 08/15/2006 |
| 7080616 | Cylinder head assembly for an internal combustion engine with a camshaft position sensor A cylinder head assembly for an internal combustion engine houses a camshaft position sensor for determining an angular position of a camshaft. A cylinder head upper is disposed between a cylinder head and a cylinder head cover, covering a part of a top opening of t... | 07/25/2006 |
| 7073481 | In-cylinder combustion recipe for meeting tier 2 locomotive emissions regulations A diesel engine (E) has a combustion chamber (C), a piston (T) movable in the chamber, air intake and exhaust valves (IV, EV), and a nozzle (N) injecting fuel into the combustion chamber. By controlling characteristics of an air-fuel mixture, emissions produced by c... | 07/11/2006 |
| 7028653 | Roller rocker mounting mechanism A roller rocker mounting mechanism for an internal combustion engine valve actuating mechanism includes a first rocker stand having a first locating boss and a second rocker stand having a second locating boss. An indexing link has a first portion separably attachab... | 04/18/2006 |
| 7007641 | Electro-hydraulic assembly for controlling engine valve deactivation A Lifter Oil Manifold Assembly or LOMA has a metal deckplate with a non-metallic valve mount/stiffener having elastomeric seals on the surface contacting the deckplate. The electrically operated valves for controlling flow to individual valve lifters are mounted on ... | 03/07/2006 |
| 7000597 | Flat gasket A flat gasket for sealing off a region, especially for sealing off a region bordered by a cylinder head cap, includes an elastic material that effects the sealing function and at least one pass-through region for passing through a conductor such that the conductor c... | 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 |
| 6966284 | Outboard motor There is provided an outboard motor (1), comprising: an intake valve (17) and an exhaust valve (18) provided to a cylinder head (14); a camshaft (20) arranged substantially vertically in the cylinder head to open and close the inta... | 11/22/2005 |
| 6951196 | Reciprocating engine with rocker valve gear The reciprocating engine comprises a rocker valve gear, pistons which are fastened to a connecting rod and connected by crankshaft journals to a crankshaft, a balancer, and a camshaft which is driven by the crankshaft and in turn actuates rockers, the mentioned elem... | 10/04/2005 |
| 6948470 | Four-cycle engine A cylinder block, a cylinder head and a cylinder head cover are stacked in order to form a four-cycle engine. A valve train of a single overhead camshaft (SOHC) type provided with an intake valve and an exhaust valve is provided in the cylinder head. A line extendin... | 09/27/2005 |
| 6931705 | Cylinder liner having modified combustion seal and method A method of modifying a combustion seal of a diesel engine fitted with a cylinder liner having an annular top sealing ridge which is damaged or mispositioned so as to interrupt the combustion seal is provided. The method includes exposing the sealing ridge and, with... | 08/23/2005 |
| 6925981 | Process for producing a cylinder block with a sleeve To provide a process for producing a cylinder block with a sleeve in which arc recesses for avoiding interference with the umbrella portions of valves are formed at an intersection between a deck face and a cylinder bore. A sleeve is cast in such a manner that it is... | 08/09/2005 |
| 6904883 | Modular internal combustion engines A line of small internal combustion engines, including twin cylinder engines and single cylinder engines. The engines each include a crankcase, and one or more cylinder members attached to the crankcase, the cylinder members being separate components from the crankc... | 06/14/2005 |
| 6901891 | Fluid passage structure of internal combustion engine In a fluid passage structure of an internal combustion engine wherein oil flows from an in-block flow passage formed in a cylinder block to an in-head flow passage formed in a cylinder head, a groove that is generally rectangular in cross section is so formed in a t... | 06/07/2005 |
| 6899158 | Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core There is provided a method for manufacturing a cylinder for an internal combustion engine by making use of an insert core, which makes it possible to manufacture the cylinder by a die casting method such as a high-pressure die casting method at low cost and in high ... | 05/31/2005 |
| 6874479 | Internal combustion engine Internal combustion engine with a flat plate that is disposed, adjacent a combustion chamber, between a cylinder head and a cylinder, said plate having at least two ports for at least one intake valve and/or one exhaust valve and/or at least one injector device or t... | 04/05/2005 |
| 6860252 | Internal combustion engines A novel combustion chamber configuration locates the stems of all four of its valves in a parallel with the axis of the engine cylinder closed by the chamber. In this variation which is especially well suited for a barrel-stratified mode of engine operation, the spa... | 03/01/2005 |
