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| Number | Title | Issue Date |
| 6213085 | Directed jet spark plug A torch jet spark plug (10) for use in a spark ignition system of an internal combustion engine. The spark plug (10) of this invention provides for ignition of an air/fuel mixture within a combustion prechamber (12) within the plug (10), which creates a j... | 04/10/2001 |
| 6178942 | Piston configuration for reducing smoke and particulate emissions from direct injected engines A diesel cycle, direct injected internal combustion engine is provided with a piston recess or bowl into which fuel is injected each combustion cycle. One or more reaction chambers adjacent the piston recess are in communication with the recess through an... | 01/30/2001 |
| 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 |
| 5628288 | Precombustion chamber for diesel engine A cylinder head arrangement for an engine such as a diesel engine that includes a precombustion chamber. The precombustion is formed primarily by a recess formed in the main combustion chamber and an insert piece that is interlocked in any of a variety of... | 05/13/1997 |
| 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 |
| 5533476 | Walled precombustion chamber unit A body, having a substantially closed cell formed therewithin, has a projecting nozzle, externally threaded, for threaded engagement with the sparkplug hole in a gas engine cylinder head. The body has two passageways formed therein, each threaded, for adm... | 07/09/1996 |
| 5203298 | Pre-combustion chamber for internal combustion engine A pre-combustion chamber for internal combustion engine according to the present invention includes a cylindrical base portion having threads providing means for threadable engagement with a combustion chamber of an internal combustion engine, and a plura... | 04/20/1993 |
| 4875444 | Swirl chamber for diesel engines and the like A dome shaped ceramic insert which defines a portion of a swirl chamber is formed at the crown portion with a single aperture through which both the fuel injector and the glow plug can extend. The cylinder head is formed with a portion which fits into the... | 10/24/1989 |
| 4714062 | Sub-combustion chamber of an internal combustion engine This invention relates to a sub-combustion chamber of an internal combustion engine, which includes a ceramic hot plug in a hot plug installation hole in a cylinder head, wherein a small clearance is provided between the hot plug and the installation hole... | 12/22/1987 |
| 4676207 | Auxiliary combustion chamber An auxiliary combustion chamber for an internal combustion engine having a semi-spherical insulating ceramic liner and a heat resistant ceramic nozzle portion. The chamber has an outer metal member that is cast around the ceramic liner to impart significa... | 06/30/1987 |
| 4534327 | Externally ignited internal combustion engine An internal combustion engine in which each cylinder or combustion volume includes a separate ignition chamber which communicates with the main combustion chamber through a relatively narrow channel or channels. The combustible mixture is delivered to the... | 08/13/1985 |
| 4444166 | Method and apparatus for reducing the operating compression ratios of compression ignition engines A method and apparatus for combusting diesel, gasoline, kerosene, alcohol and other compression ignition fuels in either direct or indirect injection compression auto ignition internal combustion engines which enables such engines to operate at low compre... | 04/24/1984 |
| 4418664 | Modular pump-nozzle unit for an internal combustion engine A modular pump-nozzle unit for internal combustion engines, especially air-compressing, fuel-injected internal combustion engines, with precombustion chamber injection. The modular pump-nozzle unit includes a pump element having a pump piston and an injec... | 12/06/1983 |
| 4294209 | Internal combustion engine An internal combustion engine operating with self-ignition which is equipped with a main combustion space including a piston recess and with an auxiliary chamber arranged in the cylinder head an injection nozzle is coordinated to the auxiliary chamber whi... | 10/13/1981 |
| 4256071 | Torch chamber apparatus and method for a spark plug of an internal combustion engine A torch chamber apparatus and method for providing a more thorough combustion of a fuel/air mixture in a combustion chamber of a cylinder of an internal combustion engine. The torch chamber is configurated as a hollow, cylindrical body having a jet nozzle... | 03/17/1981 |
| 4248189 | Spark plug and adapter for lean mixture engine cylinders A novel spark plug adapter unit for spark plugs of an internal combustion engine having a main combustion chamber defined by a cylinder bore and its associated piston and a valved intake passage for introducing a lean fuel-air mixture in the combustion ch... | 02/03/1981 |
| 4221195 | Liquid cooled diesel engine having gas cooled prechamber A liquid cooled, internal combustion engine operating on the diesel cycle including a combustion chamber (34) and a piston (14). Liquid coolant passages (40) receive liquid coolant from a pump (46) for cooling the engine. A prechamber housing (54) is in f... | 09/09/1980 |
| 4219992 | Row crop attachment for combines A row crop attachment adapting a combine for efficient harvesting of soybeans and similar crops, has crop-receiving structure disposed forwardly of the cutter for catching beans prematurely separated from the stalks by action of the combine cutter. Multip... | 09/02/1980 |
| 4218992 | Externally ignited internal combustion engine An internal combustion engine in which each cylinder or combustion volume includes a separate ignition chamber which communicates with the main combustion chamber through a relatively narrow channel or channels. The combustible mixture is delivered to the... | 08/26/1980 |
| 4127095 | Torch-ignition internal combustion engine A torch-ignition internal combustion engine has a main and pre-combustion chambers communicated with each other through a torch aperture. Electrodes of a spark plug are disposed in the pre-combustion chamber at a point remote from the torch aperture. A fr... | 11/28/1978 |
| 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 |
| 4080938 | Combustion apparatus for an internal combustion engine An internal combustion engine having a main combustion chamber, an auxiliary combustion chamber having inlet and outlet ports through which the auxiliary combustion chamber is communicated with the main combustion chamber, an intake port for supplying a l... | 03/28/1978 |
| 4077366 | Internal combustion engine control system An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch eminating therefrom upon ignition; the torch is controlled to extend ... | 03/07/1978 |
| 4076001 | Prechamber mounting for internal combustion engine The cylinder head of an internal combustion engine has a bore provided with an annular shoulder. A liner "U" shaped in cross section has an outward extending radial end flange which overlies the shoulder. A valve guide is insertable into the bore and has ... | 02/28/1978 |
| 4072134 | Apparatus for supplying rich air/fuel mixture in an internal combustion engine An auxiliary combustion chamber at least partially embedded in the cylinder head of an internal combustion engine adjacent the intake valve of a main combustion chamber and having a spark plug positioned in the auxiliary chamber and unvalved inlet and out... | 02/07/1978 |
| 4044730 | Auxiliary combustion chamber for an internal combustion engine An auxiliary combustion chamber at least partially embedded in the cylinder head of an internal combustion engine adjacent the intake valve of a main combustion chamber and having a spark plug positioned in the auxiliary chamber and unvalved inlet and out... | 08/30/1977 |
| 4041922 | System and device for the ignition of an internal combustion engine using a lean air-fuel mixture An improved engine for burning a lean air-fuel mixture includes a main combustion chamber into which the air-fuel mixture is introduced and an auxiliary combustion chamber wherein the air-fuel mixture is initially ignited. A spark plug in the auxiliary co... | 08/16/1977 |
| 4041923 | Internal combustion engine of lean air-fuel mixture combustion type An internal combustion engine of lean air-fuel mixture combustion type comprising a subsidiary combustion chamber opening into a main combustion chamber via a connecting passage. A raised portion is formed on the top surface of the piston. The raised port... | 08/16/1977 |
| 4029075 | Combustion apparatus for an internal combustion engine An auxiliary combustion chamber at least partially embedded in the cylinder head of an internal combustion engine adjacent the intake valve of a main combustion chamber and having a spark plug positioned in the auxiliary chamber and unvalved inlet and out... | 06/14/1977 |
| 4023543 | Internal combustion engine An engine with a main combustion chamber, an auxiliary combustion chamber and a torch-nozzle interconnecting the main and auxiliary combustion chambers, comprises an auxiliary inlet valve that is operated by a rocker arm for operating a main inlet valve a... | 05/17/1977 |
| 3967595 | Side valve internal combustion engine An internal combustion piston engine employs a stratified charge. Separate carburetor throats are provided for directing rich air-fuel mixture to a prechamber and lean air-fuel mixture to a main combustion chamber. The rich mixture is heated by the engine... | 07/06/1976 |
| 3954093 | Ignition device for engines Disclosed are cell-type ignition devices for Otto cycle internal combustion engines, said devices having cylindrical cells with end orifices communicating with the engine combustion chamber. The devices include housing and mounting means for thermally iso... | 05/04/1976 |
| 3954088 | Combustion chamber arrangements for rotary compression-ignition engines A rotary piston compression-ignition internal combustion engine comprises a primary ignition chamber communicating with the main rotor chamber via a tubular insert of highly refractory material fixed in a bore formed in the rotor housing. The tube is scre... | 05/04/1976 |
