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| Number | Title | Issue Date |
| 8146563 | Internal combustion engine with high squish piston A piston crown for a diesel engine in which the crown has an annular recess coaxial with an injector injecting fuel in a radiated, non-swirl pattern. The recess has an internal central crown portion approximately parallel to the angle of the fuel injected and a curv... | 04/03/2012 |
| 7992536 | Direct fuel injection diesel engine In a direct fuel injection diesel engine equipped with a pentroof-shaped piston, when fuel is injected into a cavity (25) recessed in a central part of a piston (13), for which the height of a top face changes in the circumferential direction, from a f... | 08/09/2011 |
| 7513238 | Directly injecting internal combustion engine A directly injecting internal combustion engine has at least one cylinder which has a combustion space and in which a piston executes an oscillating movement, and an injection nozzle for the injection of fuel into the combustion space. The piston has a piston recess... | 04/07/2009 |
| 7441535 | Shape of combustion chamber for direct-injection diesel engine The invention relates to a shape of a combustion chamber for a direct-injection diesel engine, in which a mixture in, particularly, an expansion stroke is promoted by optimally designing the shape of the combustion chamber, and further, the compatibility between PM ... | 10/28/2008 |
| 7415963 | Method for operating an internal combustion engine The invention relates to a direct-injection internal combustion engine that is operated in a first operating range associated with the low part load, with largely homogeneous combustion of the mixture and subsequent injection. Said internal combustion engine is oper... | 08/26/2008 |
| 7395806 | Reciprocating internal-combustion engine with direct fuel injection by means of an injector arranged on the intake side A reciprocating internal-combustion engine having at least two gas intake ports (3) with gas intake valves (6), at least one gas exhaust port (4) with a gas exhaust valve (7) and at least one ignition device (14) per cylinder (1... | 07/08/2008 |
| 7380536 | Combustion bowl in the crown of a piston for a diesel engine The invention relates to a combustion recess in the head of a piston for a diesel engine, the piston being provided with a cooling duct optionally existing in the form of a cooled ring carrier. This combustion recess has, in the radially outer edge area, an undercut... | 06/03/2008 |
| 7370631 | Fuel injection system A fuel-injection system including a fuel injector, having a plurality of spray-discharge orifices, which meters fuel into a combustion chamber of an internal combustion engine, has an ignition device, which projects into the combustion chamber, this ignition device ... | 05/13/2008 |
| 7370627 | Optimized low emission two-stroke internal combustion diesel engine An optimized two-stroke internal combustion diesel engine, suitable for locomotive applications, has been developed to meet the EPA locomotive Tier 2 emission standards. To achieve a low emission target below the EPA Tier 2 standards for NOx (5.5 g/bhp-hr... | 05/13/2008 |
| 7367305 | Internal combustion engine and connecting rod therefor A connecting rod of an internal combustion engine, and an internal combustion engine including the connecting rod, a piston, a crankshaft and a float bearing as main moving parts. A piston is connected to a connecting rod by a spherical joint and has radial ribs on ... | 05/06/2008 |
| 7360511 | Opposed piston engine A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a co... | 04/22/2008 |
| 7357116 | Direct injection internal combustion engine A direct injection engine has a fuel injection valve that directs a spray of fuel to each side of a spark plug electrode. The fuel mixes with the air to define a region of relatively richer air-fuel mixture and a region of relatively leaner air-fuel mixture. The ele... | 04/15/2008 |
| 7347179 | Method for operating an internal combustion engine In a method for operating an internal combustion engine in which the angular locations where the fuel/air mix combustions takes place can be controlled by an adjustment of the inlet and outlet valve timing, the timing of at least one of the intake and exhaust valve ... | 03/25/2008 |
| 7347180 | Method for operating an internal combustion engine In a method for operating an internal combustion engine having a variable compression ratio either in a compression ignition or in a spark ignition operating mode depending on the engine operating point, a higher compression ratio is provided in the compression igni... | 03/25/2008 |
| 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 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 03/04/2008 |
| 7318406 | Bowl-in-piston of a cylinder in a direct injection engine A piston in a direct injection spark ignition internal combustion engine is configured to reciprocate upward and downward within a combustion chamber along a reciprocating axis. The piston comprises an upper end which partly defines the combustion chamber; a bowl de... | 01/15/2008 |
| 7290531 | Integrated fuel supply system for internal combustion engine An electronic fuel injection system is combined with a carburetor in a carbureted internal combustion engine. The resulting air/fuel induction system comprises a carburetor air/fuel induction system in combination with an electronic fuel injection system which uses ... | 11/06/2007 |
| 7284531 | Method for operating an internal combustion engine In a method for operating an internal combustion engine in which the fuel is injected into a combustion chamber of a pre-injection and a main injection quantity, the quantity of fuel for the pre-injection, which is selected depending on the combustion location, is i... | 10/23/2007 |
| 7281514 | Glow ring ignition assist for internal combustion engine A glow member, preferably in the shape of a ring, assists ignition and combustion of a fuel used in an internal combustion engine. A fuel injection valve injects a plurality of fuel jets directly into a combustion chamber during operation of the engine so that the f... | 10/16/2007 |
| 7270108 | Opposed piston, homogeneous charge pilot ignition engine An engine of the opposed piston, two-stroke, compression ignition type includes provision for injection of a main charge of liquid fuel into the bore of a cylinder between opposed pistons early in a compression stroke to permit the fuel to evaporate and mix with air... | 09/18/2007 |
| 7258104 | Method and apparatus for controlling operation of dual mode HCCI engines An intake and exhaust system for a dual mode HCCI engine, which provides superior intake temperature control and homogeneity for engine operation in SI and HCCI modes, as well as during transition between SI and HCCI modes and vice-versa. The system includes adjuste... | 08/21/2007 |
| 7234423 | Internal combustion engine In accordance with the invention, an internal combustion engine having reciprocating piston sleeves is realized comprising an engine block with a pair of cylinders, each cylinder having an intake port, an exhaust port and two linearly opposing pistons connected to t... | 06/26/2007 |
| 7234437 | Direct-injection internal combustion engine and combustion method therefor A direct-injection internal combustion engine and a combustion method therefore in which fuel injection timing of a fuel injection valve is so configured that (a) the fuel inverted from a cavity in a crown portion of a piston reaches proximity to the discharge elect... | 06/26/2007 |
| 7231901 | Direct-injection engine, method of controlling the same, piston used in the same and fuel injection valve used in the same An injector having three concentrated fuel spray bands is used, one of the fuel spray bands is directed to an spark plug, and the others are directed to curved grooves on a piston. The sprays that enter each groove advance along each groove, mutually collide substan... | 06/19/2007 |
| 7219649 | Engine system and method of operating same over multiple engine load ranges A method of operating an engine system should produce relatively low concentrations of various emissions without compromising a desired power output of the system. In order to operate an engine system of the present disclosure, a predetermined total amount of fuel i... | 05/22/2007 |
| 7213564 | Direct injection combustion chamber geometry An obstruction is employed in a combustion chamber of an internal combustion engine. The obstruction is located within the chamber to generate turbulence and break-up or disrupt the soot rich zone within a directly injected quantity of fuel that is burning. More spe... | 05/08/2007 |
| 7204225 | Internal combustion engine with auxiliary combustion chamber An internal combustion engine includes a main combustion chamber and a small auxiliary combustion chamber. The main chamber is formed by a cylinder, the undersurface of a cylinder head, and the crown of a piston. A main ignition unit is disposed in the cylinder head... | 04/17/2007 |
| 7199088 | Lubricating oil for a diesel powered engine and method of operating a diesel powered engine A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. The lubricating oil comprises a base oil and at least one oil-dispersible source of HNCO such as isocyanates. A metho... | 04/03/2007 |
| 7188589 | Direct injection internal combustion engine In a direct injection internal combustion engine, a fuel injection valve and a spark plug of adjacent cylinders are inclined at different angles from each other in directions perpendicular to a cylinder arrangement direction in which the cylinders are arranged. Besi... | 03/13/2007 |
| 7185614 | Double bowl piston A piston for an internal combustion engine is disclosed. The piston has a piston crown with a face having an interior annular edge. The piston also has first piston bowl recessed within the face of the piston crown. The first piston bowl has a bottom surface and an ... | 03/06/2007 |
| 7181379 | Variable altitude simulator system for testing engines and vehicles A method and system for controlling both the pressure and temperature at the engine air intake, engine crankcase, and at the engine exhaust so that pressure and temperature conditions are equilibrated. Engines are tested both at simulated high altitudes (operating a... | 02/20/2007 |
| 7162994 | Control method and apparatus for gaseous fuelled internal combustion engine A method and apparatus create an environment within a combustion chamber of an internal combustion engine suitable for auto-ignition and combustion of a fuel that will not otherwise auto-ignite. Under high-load conditions, a pilot quantity of the fuel is injected in... | 01/16/2007 |
| 7156056 | Two-cycle, opposed-piston internal combustion engine In a two-cycle, opposed-piston internal combustion engine with optimized cooling and no engine block, the opposed pistons are coupled to a pair of crankshafts by connecting rods that are subject to substantially tensile forces acting between the pistons and the cran... | 01/02/2007 |
| 7156069 | Direct injection diesel engine A combustion chamber opening toward a cylinder head is provided on a top surface of a piston, and this combustion chamber comprises a first volume having an inclined surface and a second volume further recessed from the first volume toward a pin boss. Fuel spray F f... | 01/02/2007 |
| 7104255 | Method and apparatus for controlling operation of internal combustion engine, and the internal combustion engine In an internal combustion engine, it is first determined whether a load factor of the internal combustion engine is a specified value or more and the engine speed of the internal combustion engine is a specified speed or less. If these conditions are satisfied, fuel... | 09/12/2006 |
| 7104247 | Direct fuel injection engine A direct fuel injection engine has a fuel injection valve that injects fuel toward a cavity formed in a top of a piston, and a spark plug that ignites the fuel-air mixture resulting from the fuel injection. The direct fuel injection engine is configured to strengthe... | 09/12/2006 |
| 7073478 | Internal combustion engine with auto-ignition In an internal combustion engine with auto-ignition in which the fuel is injected directly into the combustion chamber by means of a fuel injection nozzle in the form of multiple fuel jets, wetting of the combustion chamber-side cylinder head surface is minimized by... | 07/11/2006 |
| 7055491 | Piston-cylinder combination for a combustion engine A combustion engine with compression-initiated combustion comprises at least one cylinder in which a piston is movable axially between a lower dead center point and an upper dead center point, with a dead volume between the cylinder and the piston at the upper dead ... | 06/06/2006 |
| 7055490 | In-cylinder injection, spark ignited internal combustion engine An in-cylinder injection, spark ignited internal combustion engine including a fuel injection valve spraying fuel substantially in a sector having a relatively small thickness and spreading substantially vertically to implement homogenous combustion and stratified c... | 06/06/2006 |
