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| Number | Title | Issue Date |
| 7210447 | Ignition device with precombustion chamber coated with a refractory coating layer, for internal combustion engine, and igniter with precombustion chamber The invention concerns an ignition device for internal combustion engine, containing: a main chamber (1) designed for including a main combustible mixture, and fitted with a compression system of said mixture, and ... | 05/01/2007 |
| 7104226 | Cylinder liner cooling structure This invention relates to a cooling structure for cooling a cylinder liner by circulating coolant in a water jacket formed along an outer periphery of the cylinder liner. This cooling structure includes an annular first water reservoir for temporarily storing coolan... | 09/12/2006 |
| 7055491 | Piston-cylinder combination for a combustion engine A combustion engine with compression-initiated combustion comprises at least one cylinder in which a piston is movable axially between a lower dead center point and an upper dead center point, with a dead volume between the cylinder and the piston at the upper dead ... | 06/06/2006 |
| 5738066 | Piston structure with heat insulated combustion chamber In this piston structure with a heat insulated combustion chamber, a combustion chamber structure is fixed to a piston body stably and firmly by a pre-stressed holding member. The combustion chamber structure which constitutes a combustion chamber provide... | 04/14/1998 |
| 5566654 | 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... | 10/22/1996 |
| 5483933 | Combustion chamber structure for diesel engines In this combustion chamber structure for diesel engines, precombustion chamber bodies in which precombustion chambers are formed are installed via heat insulating layers in cavities formed in pistons, so as to improve the heat insulating capability of the... | 01/16/1996 |
| 5065714 | Heat-insulating structure of swirl chamber and its production method In a heat-insulating structure of a swirl chamber and its production method in accordance with the present invention, each swirl chamber block for forming a swirl chamber and a jet port is made of a ceramic material in such a manner as to make the thickne... | 11/19/1991 |
| 5014664 | Heat-insulating structure of swirl chamber A heat-insulating structure of a swirl chamber of this invention comprises ceramic swirl chamber blocks for forming swirl chambers, heat-insulating layers disposed outside the swirl chamber blocks and reducing the heat-insulating degree of the portions of... | 05/14/1991 |
| 5010861 | Heat-insulating structure of swirl chamber and production method thereof In a heat-insulating structure of a swirl chamber in accordance with the present invention, a cast metal blocks made of a metal material casted into the gap portions in molded articles made of a ceramic fiber-reinforced material are disposed outside swirl... | 04/30/1991 |
| 4953528 | Direct injection-type diesel engines A direct injection-type diesel engine includes a piston head formed with a novel piston combustion chamber, with an inner wall surface composed essentially of ceramic material having a low thermal conductivity. The combustion chamber has a reduced opening... | 09/04/1990 |
| 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 |
| 4875939 | Precombustion chamber construction for an internal combustion engine A ceramic precombustion chamber construction for an internal combustion engine including a precombustion chamber formed by a ceramic body to be inserted in a precombustion chamber receiving cavity of a metal cylinder head. Projections are formed on an out... | 10/24/1989 |
| 4856472 | Cylinder head with ceramic precombustion chamber A cylinder head has a ceramic precombustion chamber for an internal combustion engine. The cylinder head includes a part of the cylinder head made of a ceramic body having an injection aperture communicating with a main combustion chamber for jetting burn... | 08/15/1989 |
| 4834042 | Ceramic precombustion chamber for internal combustion engine A ceramic precombustion chamber for an internal combustion engine such as a diesel engine consists of a metal ring and a ceramic body fitted in the metal ring by shrinkage fit. The ceramic body has a through-aperture for an injection nozzle and a combusti... | 05/30/1989 |
| 4809654 | Ceramic precombustion chamber construction of internal combustion engine A ceramic precombustion chamber construction of an internal combustion engine includes at least one ceramic body having a circular cross-section, a metal ring in which the ceramic body is fixed by shrinkage fitting, and at least one key interposed between... | 03/07/1989 |
| 4711208 | Piston for internal combustion engines In a piston for internal combustion engines the piston head is formed with a combustion chamber recess and is provided with a heat-insulating layer of ceramic material. To minimize the heat to be dissipated to the coolant, one part of the heat-insulating ... | 12/08/1987 |
| 4704998 | Mounting structure for ceramic sub-combustion chambers A structure for mounting a ceramic sub-combustion chamber unit which is formed of a chamber element and a mouthpiece element as a unit. The sub-combustion chamber unit being mounted by gasket each of which is of U-shaped cross section on mounting hole for... | 11/10/1987 |
| 4699102 | Structure for mounting sub-combustion chamber in an internal combustion engine A structure for mounting a sub-combustion chamber in an internal combustion engine includes a ceramic sub-combustion chamber and a metal casing separated therefrom by an adiabatic air gap. The air gap is locate opposite to a portion of the external surfac... | 10/13/1987 |
| 4691673 | Ceramic auxiliary combustion chamber A ceramic auxiliary combustion chamber for an internal combustion engine where a ceramic nozzle body with an integrally fitted gasket is mounted into an opening in the cylinder head.... | 09/08/1987 |
| 4681074 | Structure of divided combustion chamber for internal combustion engine A structure defining a divided combustion chamber of an internal combustion engine, including an upper ceramic member and a lower ceramic member having a passage which abut on each other at an interface to form therein the divided combustion chamber such ... | 07/21/1987 |
| 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 |
| 4672933 | Precombustion chamber with insulating means A precombustion chamber provided with an arrangement for thermally insulating a cylinder head of an internal combustion engine from a combustion gas in the precombustion chamber comprising: (a) a hollow ceramic body which provides a precombustion chamber ... | 06/16/1987 |
| 4651692 | Structure of divided combustion chamber for diesel engine Herein disclosed is a structure of a divided combustion chamber or a pre-combustion chamber of a Diesel engine of the type, in which the divided combustion chamber is composed of an upper ceramic member having a substantially hemispherical head and a lowe... | 03/24/1987 |
| 4644926 | Diesel cycle engines having heat insulated auxiliary combustion chambers A diesel engine including an auxiliary or swirl chamber provided in the cylinder head and in communication with a main combustion chamber. The auxiliary chamber is defined in a shell structure which is located in the cylinder head and provided with a heat... | 02/24/1987 |
| 4616611 | Precombustion chamber construction of internal combustion engine A precombustion chamber construction of an internal combustion engine includes an upper ceramic body, a lower ceramic body abutting against the upper ceramic body to form a precombustion chamber communicating through an injection hole with a main combusti... | 10/14/1986 |
| 4559911 | Modification of diesel engine precombustion chamber to attenuate detonation and improve combustion The precombustion chamber of a diesel engine is modified to incorporate an acoustical attenuator therein. Since the precombustion chamber is of fixed dimensions (not changed by piston movement), the acoustic nature and modification response are very power... | 12/24/1985 |
| 4485778 | Method and means for improving performance of diesel engines The operating efficiency of a Diesel engine is improved by method and means which prevaporize the injected fuel, and which establish initial combustion in a thermally-isolated, high-temperature chamber, and also which rely on various sources of heat in th... | 12/04/1984 |
| 4426966 | Precombustion chamber in the cylinder head of a diesel engine Precombustion chamber construction in a cylinder head of a diesel engine utilizing ceramic material to increase resistance to thermal stresses. A space is provided between the precombustion chamber construction and the cylinder head at least at the main c... | 01/24/1984 |
| 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 |
| 4321898 | Internal combustion engine with temperature controlled combustion chamber walls An internal combustion engine in which some of the combustion chamber walls are kept at temperatures which are higher than the temperature of the remaining parts of the combustion chamber. The temperature control of the selected portions of the combustion... | 03/30/1982 |
| 4296887 | Heat protected fuel injection plug for internal combustion engines A heat protecting sleeve or bushing surrounds the terminal end of the fuel injection plug and is formed with an inturned, inwardly directed lip which resiliently bears against the end face surface of the fuel injection plug, in a slightly funnel-shaped ar... | 10/27/1981 |
| 4237845 | Internal combustion engine with an auxiliary combustion chamber An internal combustion engine comprising a main combustion chamber and an auxiliary combustion chamber are interconnected to each other via at least one connecting passage. The auxiliary combustion chamber and the connecting passage are formed in an auxil... | 12/09/1980 |
| 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 |
| 4108136 | 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 ... | 08/22/1978 |
| 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 |
| 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 |
| 4072135 | Apparatus for supplying a 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 |
| 4072136 | 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 |
| 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 |
| 4071001 | Stratified combustion engine with prechamber A stratified combustion engine provided with a prechamber having no inlet valve associated therewith, wherein the precombustion chamber comprises a first chamber communicating with a main combustion chamber, a second chamber communicating with the first c... | 01/31/1978 |
