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| Number | Title | Issue Date |
| 7240654 | Engine valve assembly An inventive engine valve assembly may comprise a rotatable shaft having a fluid passageway extending therethrough, preferably in a direction orthogonal to the longitudinal axis of the shaft. The shaft may be positioned such that the fluid passageway is in communica... | 07/10/2007 |
| 7143726 | Method and device for controlling the opening of an intake valve of an internal combustion engine A method for controlling the opening of at least one intake valve of a combustion chamber in a periodically working piston engine, at least one intake valve of the combustion chamber being opened during a first partial period of a working period of the piston engine... | 12/05/2006 |
| 7107964 | Control of auto-ignition timing for homogeneous combustion jet ignition engines A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers produces hot gas jets... | 09/19/2006 |
| 7062915 | High-efficiency otto cycle engine with power generating expander High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the partial pressure effect using waste heat from the engine. The resultant... | 06/20/2006 |
| 6953020 | Control of auto-ignition timing for combustion in piston engines by prechamber compression ignition A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers is produced by a comp... | 10/11/2005 |
| 6340013 | Four-stroke internal combustion engine with recuperator in cylinder head A recuperating four-stroke internal combustion engine obtains improves Carnot efficiency by use of a new and novel cylinder head which captures thermal energy normally thrown away in the exhaust and re-introduces it to the working cycle. This result, long... | 01/22/2002 |
| 5970944 | Combustion chamber structure in engines To minimize an increase in friction during the compression stroke, a part of the force to compress the air in the main combustion chamber is stored as a spring force to prevent an excess rise of compressed air pressure in the main combustion chamber and t... | 10/26/1999 |
| 4406260 | Valved prechamber diesel engine and methods of operating A prechamber type diesel engine is provided with a cutoff valve in the throat connecting the prechamber and main chamber of each cylinder and operable in cyclically timed fashion to close and open communication between these chambers. Methods of engine op... | 09/27/1983 |
| 4369747 | Method of and apparatus for preparation of a combustion mixture for engines with divided combustion space Method of and apparatus for preparation of a combustible mixture of different mixing ration for a main combustion chamber and for a subsidiary combustion chamber for an internal combustion engine. In such apparatus there are a main suction channel termina... | 01/25/1983 |
| 4271810 | Divided chamber engine with prechamber exhaust recirculation A divided chamber internal combustion engine is provided with means to recirculate combustion products from the engine precombustion or auxiliary combustion chamber to the intake prior to or during the main chamber exhaust process. The arrangement limits ... | 06/09/1981 |
| 4254741 | Diesel engine with dual fuel injection system and method of operation The diesel engine of this invention is designed to operate on more than one fuel composition. The auto ignition temperature of each fuel composition can be the same, or it can be different. As a typical example, the engine can be operated using diesel fue... | 03/10/1981 |
| 4210104 | Internal combustion engine An internal combustion engine comprising a combustion chamber, an injection chamber connected thereto through an injection port, a secondary inlet passage opening to the injection chamber, and a secondary inlet valve for opening and closing the secondary ... | 07/01/1980 |
| 4127089 | Internal combustion engine having main and auxiliary combustion chambers Herein disclosed is an automotive spark-ignition valve-in-head internal combustion engine of the type which has main and auxiliary combustion chambers wherein combustion is initiated in the auxiliary combustion chamber and the resultant flame squirts into... | 11/28/1978 |
| 4112877 | Internal combustion engine An internal combustion chamber including a main combustion chamber receiving an air-fuel mixture, an auxiliary combustion chamber in communication with the main combustion chamber, and an air supply source for supplying air to the auxiliary combustion cha... | 09/12/1978 |
| 4091772 | Internal combustion engine with delayed torch ignition of oil fuel charge A primarily oil-fueled engine is disclosed in which the engine compression ratio is established well below the level at which compression ignition of oil fuel will occur and in which the oil fuel charge is ignited by the discharge from a spark ignited, ga... | 05/30/1978 |
| 4075996 | External compression ignition system for internal combustion engines To increase the fuel efficiency and decrease the emissions of current types of internal combustion engines by improving the burning of leaner fuel mixtures, a novel igniter is provided for each combustion chamber of the engine. The igniter comprises a sma... | 02/28/1978 |
| 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 |
| 3995605 | Jet ignition engine with singly actuated dual inlet valves An internal combustion engine having interconnected main and auxiliary combustion chambers, respectively, supplied with air-fuel mixtures through separate main and auxiliary intake passages is provided with an inlet valve having a single stem carrying two... | 12/07/1976 |
| 3994270 | Manifold system for an internal combustion engine An intake and exhaust system for an internal combustion engine of the type having an auxiliary combustion chamber associated with each main combustion chamber, and wherein the overall air-fuel charge to all combustion chambers is leaner than the stoichiom... | 11/30/1976 |
| 3991725 | Internal combustion engine having auxiliary combustion chambers Improvements are made in a reciprocating-piston, four-stroke spark-ignition internal combustion engine of the type which has main and auxiliary combustion chambers and main and auxiliary intake valve associated respectively with the combustion chambers, w... | 11/16/1976 |
| 3965881 | Internal combustion engine An internal-combustion spark-ignition V-8 piston engine has a main exhaust gas reaction chamber positioned between the two banks of cylinders. Each cylinder has a main combustion chamber and an auxiliary combustion chamber connected by a torch nozzle rest... | 06/29/1976 |
| 3960121 | Engine combustion system An engine combustion system is provided wherein fuel is supplied to the engine combustion chamber in the form of a hot vapor. The system preferably includes a preburner wherein a portion of a liquid fuel supply is burned internally to provide a hot, gaseo... | 06/01/1976 |
| 3948227 | Stratified charge engine An apparatus for applying a stratified charge to a reciprocating internal combustion engine is disclosed. The apparatus comprises a cylindrical rotary valve body disposed for rotation within the head of an internal combustion engine. The valve body define... | 04/06/1976 |
| 3942490 | Valve train apparatus Valve train apparatus for an internal combustion engine having two poppet-type intake valves per cylinder. The valve train include a generally conventional rocker arm actuated either by a pushrod or an overhead camshaft. One end of the rocker arm actuates... | 03/09/1976 |
| 3930471 | Internal combustion engine A torch ignition engine of reduced complexity and including novel arrangements of the cylinder heads and manifolds. Specific features of a preferred embodiment include auxiliary ignition chambers formed by cup shaped inserts retained in place by the spark... | 01/06/1976 |
