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| Number | Title | Issue Date |
| 6988482 | Dual rotor internal combustion engine An engine including a housing formed with a pair of side-by-side intersecting substantially cylindrical cavities, and a pair of counter-rotating power rotors rotatably mounted within the cavities. The pair of power rotors include intermeshing lobes that each define ... | 01/24/2006 |
| 5343838 | Dual radius rotor for pre-mixed-charge rotary engine combustion A rotary piston for a rotary piston, internal combustion engine, said rotary piston comprising a plurality of contiguous, convex, arcuate peripheral surfaces which, in combination with the engine housing, define combustion-working chambers. Each of the co... | 09/06/1994 |
| 5305721 | Rotary Wankel type engine A rotary Wankel type engine system is disclosed, wherein the crankshaft is supported by a center main roller bearing. The rotor apexes are sealed by two piece apex seals and by side seals. The engine system further includes an oiling system which permits ... | 04/26/1994 |
| 5203307 | Rotary wankel type engine A rotary Wankel type engine system is disclosed, wherein the crankshaft is supported by a center main roller bearing. The rotor apexes are sealed by two piece apex seals and by side seals. The engine system further includes an oiling system which permits ... | 04/20/1993 |
| 5168846 | Rotary engine with variable displacement A rotary engine having an epitrochoidal engine component and a supercharger component connected to the engine component by a variable transmission, the engine component having valve plugs for varying the effective displacement of air compression according... | 12/08/1992 |
| 5123387 | Rotary engine with inserts in rotor faces A rotary engine includes a rotor with a plurality of working surfaces. Each working surface of the rotor includes a recess covered by an insulating plate. A ledge is formed within and part way around a periphery of the recess and across one end of each re... | 06/23/1992 |
| 4167173 | Rotary internal combustion engine A rotary internal combustion engine includes a housing having trochoidal inner periphery, a substantially triangular rotor having three arch-like peripheral faces and rotatably mounted within the housing, a recess of substantially spoon-like shape provide... | 09/11/1979 |
| 4083329 | Rotary engine with a pilot fuel nozzle downstream of top center A rotary engine having a pair of fuel injection nozzles disposed adjacent to and on opposite sides of a lobe junction of the rotor housing in the combustion region and a spark plug is disposed adjacent to the fuel nozzle which is disposed on the downstrea... | 04/11/1978 |
| 4080934 | Rotary engine with inserts in rotor faces A rotary combustion engine in which at least a portion of each of the rotor working surfaces is covered by an insert to raise the operating temperatures of said surfaces.... | 03/28/1978 |
| 4067670 | Internal combustion engine with insulated piston An improved internal combustion engine of the type having a relatively high surface to volume ratio. An exemplary embodiment depicts the invention in a rotary engine having a rotor within a combustion chamber. The surfaces of the rotor that are exposed to... | 01/10/1978 |
| 4066044 | Rotary engine with tongue and groove inserts in rotor faces A rotary combustion engine in which at least a portion of each of the rotor working surfaces is covered by an insert to raise the operating temperatures of said surfaces, the insert being secured to the rotor by a tongue and groove fit.... | 01/03/1978 |
| 4063535 | Rotary piston internal combustion engine A rotary piston engine having fuel-air inlets controlled by the piston and which supply a stratified charge to the inlet chamber of the engine. The inlets comprise first inlets which are opened first and which supply a lean mixture along the sides of the ... | 12/20/1977 |
| 4024842 | Rotary engines The present invention provides a rotary internal combustion engine comprising a stator, and a rotor journalled for rotation in said stator, said stator considered in a plane normal to its axis of rotation having a cross-section which is approximately an e... | 05/24/1977 |
| 3995602 | High combustion surface temperature rotor for an internal combustion rotary engine A multi-apex rotor for an internal combustion rotary engine is provided on its radially outwardly facing flanks with hot plates which each form a portion of a combustion chamber and have a shape and coefficient of expansion in relation to the rotor body s... | 12/07/1976 |
