Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...
Patent
1980-05-02
1982-10-12
Koozo, Michael
Internal-combustion engines
Rotary
With compression, combustion, and expansion in a single...
123202, 123216, 418 31, F02B 5300
Patent
active
043533370
ABSTRACT:
A rotary internal combustion engine having an elliptical wall member which forms an elliptical internal chamber. A drive shaft is rotatably mounted in the housing and extends transversely through the elliptical chamber. A substantially cylindrical rotor is secured to the drive shaft within the chamber and has a plurality of circumferentially equidistantly spaced vane members radially slidably disposed within the rotor. A source of fluid pressure communicates with the radially inner end of the vane members to urge the vane members radially outwardly so that the vane members contact the elliptical wall. Moreover, each vane member is of a sliding laminated construction to ensure a sealing engagement between the vane member and the wall surface. A fuel and air mixture is supplied to the rotor via an air suction chamber which thereafter is compressed with the fuel between the rotor, the wall portion and adjacent vane members. The fuel/air mixture is ignited by appropriate ignition means to thereby rotatably drive the drive shaft. At at least one rotational position for each combustion cycle two vane members separate the combustion chamber from both the suction and the exhaust chambers to ensure that at least one vane member always separates the combustion chamber from both the suction and exhaust chambers. In addition, a fuel enrichment device utilizes a portion of the compressed fuel/air mixture to selectively augment the fuel supply to the engine.
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