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| Number | Title | Issue Date |
| 7370626 | High compression spark-ignition engine with throttle control, externally supplied ignition, and direct fuel injection into a precombustion chamber The invention relates to a spark-ignition engine with a highly structural compression ratio greater than 15:1, throttle regulation, externally supplied ignition and with direct fuel injection into a precombustion chamber, which is connected to the main combustion ch... | 05/13/2008 |
| 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 |
| 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 |
| 4898126 | Internal combustion engine with catalytic ignition A catalytic internal combustion engine has an air cylinder (12) and a fuel management cylinder (14) interconnected at their head ends by a combustion chamber (5) and having respective pistons (16, 18) reciprocating in phase. Petrol is injected into the fu... | 02/06/1990 |
| 4483290 | Compression-ignition internal combustion engine A compression-ignition internal combustion engine has a secondary combustion chamber in communication with the main combustion chamber via an injection passage extending from one end of the secondary chamber, and a fuel injection nozzle for injecting fuel... | 11/20/1984 |
| 4289097 | Six-cycle engine The invention is an improved six-cycle engine that improves performance in fuel economy and in the power to size ratio. The six cycles are a first intake stroke, a compression and storing stroke, second intake stroke, a compression and combining stroke, t... | 09/15/1981 |
| 4192265 | Combustion promoting device of a multi-cylinder engine Disclosed is a multi-cylinder engine having auxiliary valves, in addition to intake and exhaust valves. Each of the cylinders is connected to a common accumulation chamber via corresponding branches. Each of the auxiliary valves is arranged in its respect... | 03/11/1980 |
| 4186692 | Compression ignition internal combustion engine with auxiliary swirl combustion chamber A compression ignition internal combustion engine having a swirl chamber and a primary combustion chamber both of which are fluid-connected by a primary communicating passage has a recess portion at the fuel impinged portion of the swirl chamber for produ... | 02/05/1980 |
| 4164915 | Conversion of gasoline to diesel engine A method and apparatus for converting a gasoline engine to a diesel engine as disclosed herein. The method involves formation of a specifically designed piston that defines a reduced combustion chamber with a reduced chamber in the cylinder head of a conv... | 08/21/1979 |
| 4098232 | Pre-chamber in the cylinder head of an internal combustion engine with applied ignition A pre-chamber in the cylinder head of an internal combustion engine with applied ignition, whereby the pre-chamber which includes an opening for the spark plug and at least one opening leading to the main combustion space is constructed as a structural pa... | 07/04/1978 |
| 4040393 | Ignited internal combustion engine operated with charge stratification An internal combustion engine with charge stratification and spark ignition comprises a main combustion chamber and an auxiliary combustion chamber, the main combustion chamber and the auxiliary combustion chamber being interconnected by a short passage. ... | 08/09/1977 |
| 4038952 | Internal combustion engine An internal combustion engine utilizing a combustion process of the stratified charge type, and having an auxiliary combustion chamber formed in a cylinder head portion in addition to a main combustion chamber, a passage communicating the auxiliary combus... | 08/02/1977 |
| 4006720 | Divided chamber type diesel engine A divided chamber type diesel engine consisting of a main combustion chamber and a pre-combustion chamber connected to said main combustion chamber through a connecting port, said pre-combustion chamber being provided with a step member on its inner wall ... | 02/08/1977 |
| 4005684 | Internal combustion engine An internal combustion engine of the type in which the combustion space is divided into a main combustion chamber and an auxiliary combustion chamber connected to each other by a communication passage, and an ignition plug and a fuel injection nozzle are ... | 02/01/1977 |
| 3990413 | Fuel injection system for single or multiple cylinder internal combustion engines A fuel injection system for single or multiple cylinder internal combustion engines comprises two fuel injection valves for each cylinder of an engine. One fuel injection valve operates to inject a principal volume of fuel and the other a secondary volume... | 11/09/1976 |
| 3970053 | Internal combustion engines An internal combustion engine having at least one cylinder, a combustion chamber externally of the cylinder and communicating with the cylinder, and spark ignition means, which preferably comprises a first electrode supported in a central region of the co... | 07/20/1976 |