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| Number | Title | Issue Date |
| 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 |
| 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 |
| 6606973 | Rotary engine A rotary engine utilizes an expansion chamber and an oscillating rotary piston to capture the energy of expanding combustion gases through out substantially all of each revolution of the piston. The movement of the oscillating rotary piston is guided by t... | 08/19/2003 |
| 5701864 | Energy transformation method and its system for piston reciprocating cycle An energy transformation method and a system for carrying out this method which are capable of improving the energy transformation efficiency upon transforming the thermal energy to kinetic rotating energy, and improving the thermal efficiency, while at t... | 12/30/1997 |
| 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 |
| 5031588 | Internal combustion engine utilizing stratified charge combustion process Internal combustion stratified-charge engine having within a cylinder thereof a variable volume space wherein a piston pursuant to an air intake stroke draws a stream of intake air through an entrance end of the combustion chamber and through such chamber... | 07/16/1991 |
| 5025765 | Heat-insulated four-cycle engine with prechamber A heat-insulated four-cycle engine includes a heat-insulated main combustion chamber, a prechamber having an ejection port communicating with the main combustion chamber and associated with an exhaust valve, a projection mounted on the piston head surface... | 06/25/1991 |
| 4872433 | Combustion chamber configurations for two cycle engines Improved combustion chamber configurations for two-cycle engines with high pressure fuel injected systems having reciprocal pistons, cylinders with multiple injectors for each cylinder and a cylinder head liner with a chamber having a discoidal configurat... | 10/10/1989 |
| 4610226 | Combustion device of an internal combustion engine A combustion device for an internal combustion engine which includes a cylinder, a head closing one end of the cylinder, and a piston reciprocable in the cylinder. The head and piston have stepped portions adapted to interfit as the piston approaches the ... | 09/09/1986 |
| 4465032 | Precombustion chamber for internal combustion engine Internal combustion reciprocating-piston engine precombustion chamber in which a mass of air or air mixed with selective amounts of fuel and a spark-ignitable air-fuel mass are segregatively compressed with the latter mass enveloping spark electrodes prep... | 08/14/1984 |
| 4433647 | Internal combustion motor with turbulence chamber In accordance with the teachings of the present invention an internal combustion engine comprising at least a combustion chamber, a piston, a turbulence chamber provided inside the overhead cylinder above the piston, and an ignition device leading to the ... | 02/28/1984 |
| 4378764 | Piston and combustion chamber with improved fuel circulation An internal combustion engine, which has a combustion chamber with a coordinated piston where the combustion chamber is divided into a first and second section, and where the piston has an extension which slides into the second chamber section during the ... | 04/05/1983 |
| 4359027 | Two-cycle internal combustion engine having high swirl combustion chamber Disclosed is a two-cycle, internal combustion engine including an engine block, and a cylinder in the engine block having a head and generally opposed inlet and outlet walls respectively including at least one intake port through which a fresh charge is a... | 11/16/1982 |
| 4320727 | Process of fuel stratification within and venting of engine auxiliary combustion chamber Stratified charge four-stroke-cycle internal combustion engine with fuel injection and spark-ignition of the type wherein stratification and initial combustion occurs in a combustion chamber auxiliary to the variable volume space in the engine cylinder be... | 03/23/1982 |
| 4232637 | Surfaces for combustion chamber of internal combustion engine having controlled fuel injection In an internal combustion engine having controlled ignition, apparatus for controlling injection of the fuel so as to greatly increase the advance with the load on the engine, and a precombustion chamber into which emerge both the fuel injector and the co... | 11/11/1980 |
| 4119065 | Internal combustion engine having an auxiliary combustion chamber and a method of control of combustion in said internal combustion engine An internal combustion engine having an auxiliary combustion chamber connected to a main combustion chamber via multiple connecting holes is disclosed. The auxiliary combustion chamber has a drum shape. A first one of the connecting holes opens into the a... | 10/10/1978 |
| 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 |
