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| Number | Title | Issue Date |
| 7954471 | Spark ignited internal combustion engine and manufacturing the same There is provided a spark ignited internal combustion engine having a geometric compression ratio of 13.0 or greater. The engine comprises combustion chambers having a cylinder stroke volume of 0.3 liter or greater, with the spark plug in the chamber ceiling having ... | 06/07/2011 |
| 7387093 | Internal combustion engine with sidewall combustion chamber and method An internal-combustion, reciprocating-piston engine operating on the Otto cycle and associated method are provided where a sidewall combustion chamber is employed that is capable of receiving highly-compressed air or a mixture of any gas and fuel from a cylinder whi... | 06/17/2008 |
| 7303144 | Reduction in hydrocarbon emission via spray pattern control through fuel pressure control in fuel injection systems Among other aspects shown and described, a fuel supply apparatus that provides multiple fuel spray targeting angles as a function of fuel pressure towards a combustion chamber of an engine to reduce hydrocarbon emission during cold-start or hot-start. A method and f... | 12/04/2007 |
| 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 |
| 7243634 | Turbocharging and precombustion chamber spark plug internal combustion engine, ignition method and application The invention concerns an internal combustion engine with at least one engine member, the engine member including a combustion chamber (4) of a combustible mixture with fuel components and oxidants, an ignition system of the combustible mixture by an igniter ... | 07/17/2007 |
| 7237526 | Internal combustion engine with direct injection and sparking plug with precombustion chamber, ignition method and application The invention concerns an internal combustion engine with at least one engine member, the engine member including a combustion chamber (4) of a combustible mixture with fuel and oxidant components fitted with a compression system (9), an ignition syste... | 07/03/2007 |
| 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 |
| 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 |
| 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 |
| 7104250 | Injection spray pattern for direct injection spark ignition engines A system and method for controlling combustion in a direct injection spark ignition internal combustion engine inject fuel directly into a combustion chamber through an injector having an ignition jet or group of jets positioned primarily to support stratified charg... | 09/12/2006 |
| 7082920 | Precombustion chamber ignition device for an internal combustion engine, precombustion chamber igniter and ignition method The invention concerns an ignition device for internal combustion engine comprising: a main combustion chamber (1) fitted with a compression system; and an igniter (11) comprising a precombustion cham... | 08/01/2006 |
| 7069901 | Control apparatus for internal combustion engine and control method for internal combustion engine combustion method for internal combustion engine and direct injection engine A gasoline engine is provided which is capable of introducing a large amount of EGR gas for performing homogeneous combustion and thus offering a good fuel economy. An external EGR mechanism or an internal EGR mechanism is used to introduce an EGR gas into a combust... | 07/04/2006 |
| 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 |
| 7040279 | Energy-cell combustion system A Divided Chamber combustion system comprising an energy-cell built in the bottom of a deep piston bowl; aligned in the cylinder's centerline; in fluid communication with the main combustion chamber through one main transfer passage disposed in its centerline and a ... | 05/09/2006 |
| 7040280 | Spark ignition enhancer and spark plug therewith A spark ignition enhancer is provided in a combustion chamber of a spark ignition direct injection engine. The combustion chamber includes a fuel injector operable to spray a fuel plume into the chamber near a spark gap. The ignition enhancer includes a diversion el... | 05/09/2006 |
| 7025037 | Internal-combustion engine with precombustion chamber and controlled ignition The disclosure concerns an internal combustion engine with controlled ignition having at least a combustion chamber (4), means (8, 18) for injection of fuel or an air-fuel mixture into the combustion chamber (4), ignition means (7) to gen... | 04/11/2006 |
| 7025036 | Valve controlled divided chamber internal combustion engine An engine has a plurality of combustion chambers, each of which is divided into an ignition chamber and a first combustion chamber. The chambers are linked by a transfer tube defining a passageway facilitating communication between the ignition chamber and the first... | 04/11/2006 |
| 7011070 | Method of reducing particulates and enhancing burning rate within a combustion chamber A method and apparatus generate turbulence and impact on soot rich zone within a burning fuel jet within a combustion chamber of an internal combustion engine. A reservoir accumulates charge and projects the charge into a combustion chamber and into and around the b... | 03/14/2006 |
| 6981484 | Internal combustion engine with divided combustion chamber An internal combustion engine 10 includes a first combustion chamber (20) in each of its cylinders (12). First fuel injector (24) injects a first volume of fuel into the chamber (20). A housing (28) defining an auxiliary com... | 01/03/2006 |
| 6912989 | Fuel injection control device for a direct fuel injection engine A fuel injection control device for a direct fuel injection engine is configured to selectively control a fuel injection valve, which is configured and arranged to directly inject a first fuel stream per cycle into a combustion chamber, to use a first fuel injection... | 07/05/2005 |
| 6904878 | Internal combustion engine with novel fuel/air delivery system Blower forces fuel/air mixture into bore of cylinder head against small diameter piston of compound piston assembly, forcing assembly down in engine cylinder, permitting fuel/air mixture to enter main cylinder of engine in which it is ignited. Exhaust forces assembl... | 06/14/2005 |
| 6854438 | Internal combustion engine with injection of gaseous fuel An internal combustion engine comprises a fuel injection nozzle for injecting a gaseous fuel directly into the combustion chamber. shield, is installed in close proximity to the fuel injection nozzle, provides a shielded space around a hot surface igniter and restri... | 02/15/2005 |
| 6843220 | Self-igniting, mixture-compressing internal combustion engine and method for its operation A self-igniting, mixture-compressing internal combustion engine for fuel gas includes a cylinder including a cylinder head (5); an insert (1) operably engaged with the cylinder head (5); a main combustion space (7) in the cylinder; and a ... | 01/18/2005 |
| 6715463 | In-cylinder fuel injection engine and the method of controlling the engine The in-cylinder fuel injection engine is characterized in that fuel is injected into the combustion chamber in two directions. When the homogeneous charge combustion is performed, a first spray block of fuel is injected inside of the cavity and a second spray block ... | 04/06/2004 |
| 6601560 | Method for starting and operating an internal combustion engine A method is provided for operating an internal combustion engine comprising a combustion chamber defined by the inner wall of a cylinder, a cylinder head and the upper surface of a piston moveable longitudinally within the cylinder, the engine further com... | 08/05/2003 |
| 6557519 | Reciprocating machine with two sub-chambers A reciprocating machine includes a housing (12) and piston means (20) that are cyclically relatively displaceable along an axis (11) to define a variable volume working chamber (50). There is further provided air inlet means and fuel inlet means (100) adm... | 05/06/2003 |
| 6553960 | Combustion system for direct injection diesel engines A combustion system for direct injection diesel engines, having a fuel injection nozzle provided with upper and lower rows of nozzle holes and disposed so as to be opposed to a deep dish combustion chamber of a small opening ratio. The directions of the u... | 04/29/2003 |
| 6390053 | Reaction chamber isolation check valve and gaseous fuel engine using same An internal combustion engine includes an engine housing that defines a main combustion chamber separated from a precombustion chamber by a flame communication passage way. A source of gaseous fuel is fluidly connected to one end of a fuel supply passage.... | 05/21/2002 |
| 6354263 | Reaction chamber check valve and gaseous fuel engine using same An internal combustion engine comprises an engine housing which defines a main combustion chamber that is separated from a precombustion chamber by a flame communication passageway. The engine housing further defines a fuel supply passage with one end and... | 03/12/2002 |
| 6298300 | Control apparatus for drive system composed of engine and transmission A drive system composed of an engine and a transmission is controlled in accordance with a desired wheel toque corresponding to a position of an accelerator, and a present vehicle speed in such a way that a speed ratio of the transmission is determined in... | 10/02/2001 |
| 6161516 | Process for the formation of a fuel mixture and for its ignition in a pre-chamber that is open toward the cylinders Process for ensuring the mixing of a predetermined quantity of liquid or gaseous fuel with the air that is contained in a pre-chamber with one end that is open toward cylinders of an alternative internal-combustion engine, as well as the ignition of the m... | 12/19/2000 |
| 6152103 | Direct fuel injection ignition engine A direct fuel injection ignition engine includes combustion chambers with a pent roof type ceiling. Each piston has a top surface with a configuration complementary to the combustion chamber ceiling. A fuel injector is disposed at a peripheral portion of ... | 11/28/2000 |
| 6098588 | Injection device and combustion process for an internal combustion engine An injection device for an internal combustion engine, especially a diesel engine, with a combustion chamber (16) for each defined by piston (2), cylinder and cylinder head (1), a multi-hole injection nozzle (5) and a shroud (3) projecting from the cylind... | 08/08/2000 |
| 5934244 | Combustion prechamber A combustion prechamber is formed by at least two components. An upper component for accommodating an injection device, for example, and a lower component for sealing the prechamber off from the main combustion chamber. To configure such a combustion pre-... | 08/10/1999 |
| 5351665 | Internal combustion engine A combustion chamber located in the piston of an internal combustion engine is divided by restrictions into two or more partial chambers. The ratio between the minimum distance in the restricted area and the maximum distance in concave areas of the wall o... | 10/04/1994 |
| 5121722 | Combustion chamber defining piston for an internal combustion engine A piston for use in an internal combustion engine and including a central portion; a side wall portion adapted for sliding engagement with a cylinder; a connector end adapted for connection with a connecting rod; and a driven end adapted to receive combus... | 06/16/1992 |
| 5103776 | Diesel engine The diesel engine includes a first combustion chamber defined by a recess in a piston top and a projection formed in the first combustion chamber. The projection stands on a bottom wall of the first combustion chamber. A second combustion chamber is forme... | 04/14/1992 |
| 5095872 | Alcohol engine with combustion cavity An alcohol engine with combustion cavity of this invention includes combustion cavity blocks for constituting combustion cavities of a heat-insulating structure, disposed in a cylinder head, communication ports of a heat-insulating structure for communica... | 03/17/1992 |
| 5042441 | Low emission combustion system for internal combustion engines A combustion system for internal combustion engines having a cylinder, at least one piston reciprocal in the cylinder and a combustion chamber with three regions for improving the combustion process, the piston having a piston head with an outer perimeter... | 08/27/1991 |
| 5009207 | Internal combustion engine An internal combustion engine has a pair of first and second cylinders (12,14) communicating with a combustion chamber (20) the first cylinder having a larger swept volume than the second cylinder. First and second pistons (16,18) are provided in the cyli... | 04/23/1991 |
