Internal-combustion engines – Combined devices – Generating plants
Patent
1975-12-16
1976-11-09
Croyle, Carlton R.
Internal-combustion engines
Combined devices
Generating plants
418196, F02B 5300
Patent
active
039904091
ABSTRACT:
A rotary engine of the internal combustion type comprising a housing having therein a main rotor chamber providing a main rotor axis and having therein combustion and exhaust blocking rotor chambers which intersect the main rotor chamber and which provide combustion rotor and exhaust blocking rotor axes spaced from and parallel to the main rotor axis. A lobed main rotor is rotatable in the main rotor chamber, and combustion and exhaust blocking rotors are rotatable in the combustion and exhaust blocking rotor chambers. The combustion rotor is provided with circumferentially spaced combustion cavities therein to receive the lobes, and the exhaust blocking rotor is provided with circumferentially spaced cavities to receive the lobes. The main, combustion and exhaust blocking rotors are geared together and the peripheries of the combustion and exhaust blocking rotors are substantially tangent to the periphery of the main rotor between the lobes thereon. The main rotor chamber is radially enlarged ahead of the combustion rotor to provide an accumulator zone which maintains the fuel-air mixture at a desired pre-compression. There is a gap between the trailing edge of each combustion cavity and that one of the lobes which is disposed therein to insure free flow of the fuel-air mixture between the accumulator zone and such combustion cavity. The main rotor carries spark plugs having spark gaps on the trailing sides of the lobes in the direction of main rotor rotation, each spark plug being actuated when the lobe carrying it is disposed in one of the combustion cavities and when the trailing edge of such combustion cavity is substantially tangent to the main rotor. Circular end plates on the ends of the combustion and exhaust blocking rotors minimize leakage at the ends of such rotors, and also improve their physical strengths.
REFERENCES:
patent: 2920814 (1960-01-01), Breelle
patent: 2977939 (1961-04-01), Fearing
patent: 3297006 (1967-01-01), Marshall
patent: 3435808 (1969-04-01), Allender
patent: 3780710 (1973-12-01), Przybylski
Croyle Carlton R.
Koczo, Jr. Michael
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