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| Number | Title | Issue Date |
| 6732702 | Combustion chamber A combustion chamber assembly for use in a diesel engine includes a combustion chamber 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, the sphere havin... | 05/11/2004 |
| 4771748 | Spark-ignition, air-compressing, internal combustion engine A spark-ignition, air-compressing, internal combustion engine having a combustion chamber in the shape of a body of revolution with a constricted opening in the piston crown. The injection nozzle is located in the cylinder head near the edge of the combus... | 09/20/1988 |
| 4467759 | Combined air intake passage and precombustion chamber for internal combustion engine Internal combustion reciprocating-piston engine precombustion chamber in which a mass of air or of air mixed with selective amounts of fuel and a spark-ignitable air-fuel mass are relatively segregatively compressed with the latter mass enveloping spark e... | 08/28/1984 |
| 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 |
| 4404938 | Four-stroke-cycle internal combustion engine with fuel injection In a four stroke cycle internal combustion engine, a combustion chamber is disposed above the cylinder head and is connected by a passage to the piston chamber. The piston at its top dead center almost contacts the cylinder head. Inlet and outlet valves a... | 09/20/1983 |
| 4392465 | Self-igniting internal combustion engine with a rotationally symmetrical piston trough A self-igniting internal combustion engine which includes at least one piston having a rotational symmetrical piston trough arranged therein. The piston trough has a conical side wall and an inlet port which is less than a largest diameter of the piston t... | 07/12/1983 |
| 4323039 | Antechamber system diesel engine An antechamber system Diesel engine including an antechamber consisting of a front chamber and a rear chamber and a communication port communicating said antechamber with a main combustion chamber wherein at least one of fuel injection ports of a fuel inj... | 04/06/1982 |
| 4292935 | Low nitrous oxide (NOX) precombustor A geometrically optimized precombustion chamber 12 for a diesel or stratified charge engine is provided which limits the maximum gas temperature through transonic and/or supersonic flow to prevent the production of nitrous oxides and is defined in accorda... | 10/06/1981 |
| 4215657 | Combustion chamber of a diesel cycle internal combustion engine A diesel cycle internal combustion engine having at least one cylinder with coplanar induction and exhaust valves and a precombustion chamber, in which the cylinder head is formed with a recess defining a combustion chamber with a projection on the crown ... | 08/05/1980 |
| 4207843 | Compression ignition direct injection internal combustion engine A compression ignition direct injection internal combustion engine comprising at least each one cylinder, a piston and an injection nozzle, the cylinder having an inlet port for inducing rotation of the incoming air about the axis of the cylinder and a co... | 06/17/1980 |
| 4204484 | Auxiliary combustion chamber of internal combustion engine An internal combustion engine having an auxiliary combustion chamber is disclosed. The engine comprises a main combustion chamber defined by a cylinder, a piston reciprocably disposed in the cylinder, and a cylinder head. A main passage intercommunicates ... | 05/27/1980 |
| 4180021 | Method of injecting fuel and a fuel injection device of an internal combustion engine Disclosed are a method of injecting fuel and a fuel injection device in an internal combustion engine comprising a main chamber and an auxiliary chamber. An annular raised portion is formed on the inner wall of the auxiliary chamber and divides the auxili... | 12/25/1979 |
| 4176649 | Emission control An internal combustion engine and a method of operating same, comprising a combustion chamber having main and auxiliary sections. The air-fuel mixture compressed in the combustion chamber causes turbulence and swirling of the mixture in the auxiliary sect... | 12/04/1979 |
| 4175501 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a main combustion chamber and an auxiliary combustion chamber which are interconnected to each other via a connecting passage. The auxiliary combustion chamber symmetrically extends about an axis. The ... | 11/27/1979 |
| 4174679 | Internal combustion engine with a subsidiary combustion chamber An internal combustion engine comprising a subsidiary combustion chamber connected to a main combustion chamber via a connecting passage. The subsidiary combustion chamber is divided into a first chamber and a second chamber by an annular raised portion f... | 11/20/1979 |
| 4114569 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a main chamber and an auxiliary chamber which are interconnected with each other via a connecting passage. An annular raised portion is formed on the inner wall of the auxiliary chamber, and the auxili... | 09/19/1978 |
| 4083330 | Piston for an internal combustion engine A piston for an internal combustion engine, said piston having a combustion chamber formed in its head, the combustion chamber having an inlet orifice in the top surface of the head, a flat bottom wall, and a side wall which includes a plurality of concav... | 04/11/1978 |
| 4038959 | Internal combustion engine with a subsidiary combustion chamber An internal combustion engine comprising a main combustion chamber and a subsidiary combustion chamber having a spark plug. The subsidiary combustion chamber comprising a restricted opening, a first chamber and a second chamber, said chambers being interc... | 08/02/1977 |
