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| Number | Title | Issue Date |
| RE41344 | Swirl chamber used in association with a combustion chamber for diesel engines A swirl chamber used in association with a combustion chamber for diesel engines, includes a pair of sub-nozzle holes on the opposite sides of a main nozzle hole to supply a secondary air into the swirl chamber, the sub-nozzle holes being positioned such that the se... | 05/25/2010 |
| 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 |
| 7353797 | Combustion chamber for internal combustion engine A geometry for an IC combustion chamber is disclosed that increases the air-fuel mixing efficiency within the chamber. The piston head includes a squish surface portion for generating a squish jet, and a bowl portion that cooperatively with the cylinder head defines... | 04/08/2008 |
| 7216623 | Internal combustion engine with auxiliary combustion chamber An internal combustion engine comprises a main combustion chamber part, an auxiliary combustion chamber part, a first communicating passage, a second communicating passage and an igniting component. The auxiliary combustion chamber part includes first and second aux... | 05/15/2007 |
| 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 |
| 7152590 | Superstructure of engine With regard to a construction that a fan 41 is provided at one side of an engine 1 and covered by a fan casing 45, and an air cleaner 30 is arranged near the fan casing 45 and at a side of a cylinder head 5 on which an intak... | 12/26/2006 |
| 7066137 | Anti detonation device and method for internal combustion engines A flame ejector device for mounting in the spark plug aperture of an internal combustion engine whereby an inner end of the device is within the combustion chamber, the device being configured to receive a fuel-air mixture charge on the compression stroke of the pis... | 06/27/2006 |
| 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 |
| 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 |
| 7033525 | High conductivity polyaniline compositions and uses therefor The present invention describes compositions formed from polyanaline and carbon nanotubes, which exhibit enhanced conductivity and which provide uses in electronic circuit applications. ... | 04/25/2006 |
| 7025031 | Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface A diesel locomotive engine having a piston with a unique bowl geometry. The bowl is defined in part by a center portion having a partial spherical shape. A cone portion (22) is located adjacent the central portion. An annular toroidal surface (24) is c... | 04/11/2006 |
| 6966294 | Internal combustion engine producing low emissions An engine is provided which includes various precise configuration parameters, including dimensions, shape and/or relative positioning of the combustion chamber features, resulting in a combustion process minimizing NOx emissions and particulates. The combustion cha... | 11/22/2005 |
| 6899076 | Swirl chamber used in association with a combustion chamber for diesel engines A swirl chamber used in association with a combustion chamber for diesel engines, includes a pair of sub-nozzle holes on the opposite sides of a main nozzle hole to supply a secondary air into the swirl chamber, the sub-nozzle holes being positioned such that the se... | 05/31/2005 |
| 6854439 | Prechamber combustion system An improved combustion system particularly for a larger type diesel engine featuring a prechamber with a generally cup-shaped bottom tip portion facing the engine's main combustion chamber and with a central transfer passage substantially aligned with the centerline... | 02/15/2005 |
| 6821113 | Precombustion chamber for an ic engine and electrode assembly for producing combustion in one part of the precombustion chamber An assembly includes a precombustion chamber and electrode, for producing the ignition and combustion of a fuel while maintaining the flame temperature below a predetermined value, and keeping the flame front (F) in the proximity of an aperture of the precombustion ... | 11/23/2004 |
| 6705273 | Combustion chamber A combustion chamber assembly for use in a piston of a diesel engine includes a combustion chamber being defined in a crown of a piston, the combustion chamber having a center portion, the center portion being defined at least in part by a surface being a portion of... | 03/16/2004 |
| 6601561 | Combustion chamber A combustion chamber assembly for use in a diesel engine includes a combustion chamber being defined in a crown of a piston, the combustion chamber having a center portion, the center portion being defined at least in part by a portion of a convex sphere ... | 08/05/2003 |
| 6536404 | Piston having combustion chamber defined in the crown A combustion chamber assembly for use in a diesel engine includes a combustion chamber being defined in a crown of a piston, the combustion chamber having a center portion being elevated relative to a bottom plane of the combustion chamber, the center por... | 03/25/2003 |
| 6378288 | Combustion-engined tool with an increased velocity of the expanding flame front in the fore-chamber of the tool combustion chamber A combustion-engined tool including two opposite combustion chamber walls (14,18), and an ignition device (52) arranged between the two opposite combustion chamber walls for igniting a fuel gas mixture occupying space between the two walls, and an element... | 04/30/2002 |
| 6286477 | Combustion chamber for direct-injected spark-ignited engines with swirl airflows A stratified-charge combustion chamber system for a direct-injection spark-ignited (DISI) engine with a swirl-type airflow. An asymmetrical combustion bowl design in the top wall of the piston provides a wide area on the downstream side of the swirl flow ... | 09/11/2001 |
| 5868112 | Deep angle injection nozzle and piston having complementary combustion bowl A piston for reciprocal movement within a combustion chamber (4) of a compression ignition engine (2) having a fuel injector (20) for forming a fuel injection plume (40) having a relatively deep angle (7° to 40° from a plane perpendicular to the central... | 02/09/1999 |
| 5769050 | Prechamber for diesel engine A number of embodiments of precombustion chamber configurations for two-cycle crankcase compression diesel engines. The precombustion chamber and its communicating throat are oriented so as to maintain a uniform fuel distribution in the precombustion cham... | 06/23/1998 |
| 5678517 | Internal combustion reciprocating engine and method for burning a mixture of fuel and air therein An internal combustion reciprocating engine includes a cylinder defining a main combustion chamber, a piston reciprocally movable in the cylinder, and a cylinder head providing an end wall for the main combustion chamber. A body is mounted in the cylinder... | 10/21/1997 |
| 5555867 | Swirl flow precombustion chamber A combustion system of an internal combustion engine includes a main combustion chamber and a swirl flow precombustion chamber connected by a communicating passage. The communicating passage is connected tangentially to the precombustion chamber so as to ... | 09/17/1996 |
| 5404850 | Rotary combustion engine with oppositely rotating discs A rotary internal combustion engine including a rotatable drive shaft, a first rotatable disc secured to and rotatable with the drive shaft, a second disc rotatably disposed through a geared connection about the drive shaft for opposite rotation relative ... | 04/11/1995 |
| 5322042 | Combustion chamber for internal combustion engine and process of combustion using fuel radical species A piston for an internal combustion engine is provided with a reaction chamber for generating radical fuel species during a combustion cycle for use during the next succeeding combustion cycle. The reaction chamber is located adjacent a piston crown reces... | 06/21/1994 |
| 5163395 | Two stroke diesel engine In a two stroke diesel engine which comprises a combustion chamber formed by a cylinder, piston head and base of the cylinder head, a cavity formed on the base of the cylinder head facing the combustion chamber, intake valves fitted to the cylinder head f... | 11/17/1992 |
| 5158055 | Combustion chamber of internal-combustion engine The invention relates to a combustion chamber formed in the upper end of the piston of the diesel engine and, more particularly, to a geometrical shape of a combustion chamber of a piston. The combustion chamber includes a main combustion chamber and a pl... | 10/27/1992 |
| 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 |
| 5109816 | Direct fuel injection type spark ignition internal combustion engine A direct fuel injection type spark ignition internal combustion engine includes a piston/cylinder structure including a deep dish portion, a peripheral portion, and a shallow dish portion. The peripheral portion has a depth smaller than the deep dish port... | 05/05/1992 |
| 5105780 | Ignition assisting device for internal combustion engines A capsule, the interior volume of which is an ignition chamber, is provided with an engine to improve ignition. The capsule has an orifice so the ignition chamber can communicate with a main combustion chamber of the engine. Often, the capsule is connecte... | 04/21/1992 |
| 5103784 | Squish jet combustion chamber A cylinder head, more preferably a piston, of an internal combustion engine is provided on its compression face with a substantially central bowl and an annular common squish jet pocket encircling and spaced radially from the bowl to define an annular lip... | 04/14/1992 |
| 5065715 | Squish jet combustion chamber A cylinder head, more preferably a piston, of an internal combustion engine is provided on its compression face with a substantially central bowl and a plurality of discrete squish jet channels circumferentially spaced about the bowl. Each of the channels... | 11/19/1991 |
| 5060609 | Internal combustion engine An internal combustion engine has first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and the second cylinder being formed in the crown of the first cylinder. First and second pistons (16... | 10/29/1991 |
| 5040504 | Heat-insulating engine swirl chamber The heat-insulating engine with swirl chambers of this invention comprises thin members made of a monolithic ceramic material for forming the surface portions of swirl chambers communicating with main combustion chambers through communication ports, high ... | 08/20/1991 |
| 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 |
| 5000144 | Internal combustion engine In a valve-controlled internal combustion engine with direct fuel injection and a swirling air charge, a combustion chamber is located in the piston and is configured as a toroidal part ending in a throat-like cylindrical part towards the piston top. A na... | 03/19/1991 |
| 4995360 | Combustion chamber A swirl chamber is defined by an approximately spherical cavity formed in a cylinder head of an internal combustion engine with the radius of the swirl chamber being reduced in the direction the swirl flows in the swirl chamber. Therefore, the swirl is ac... | 02/26/1991 |
| 4987868 | Spark plug having an encapsulated center firing electrode gap A spark plug of an engine ignition/combustion system have the electrode gaps of the spark plug surrounded by a capsule having a controlled orifice system. The orifice system and electrode gap are positioned, sized, and oriented specifically for use with l... | 01/29/1991 |
