Rotary engine modified for low emissions

Details Rotary engine modified for low emissions Rotary engine modified for low emissions

1976-06-11

1977-08-09

Croyle, Carlton R.

Internal-combustion engines

Combined devices

Generating plants

F02B 5300

Patent

active

040403920

ABSTRACT:
A rotary combustion engine and method of operating said engine in which grooves are provided in the engine trochoid surface to permit any unburnt fuel at the trailing end of a working chamber of the engine to blow back into the following working chamber so as to reduce the hydrocarbons in the engine exhaust without any material adverse effect on engine performance.

REFERENCES:
patent: 3393666 (1968-07-01), Yamamoto et al.
patent: 3754534 (1973-08-01), Burley
patent: 3848574 (1974-11-01), Fujikawa et al.

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