Paired piston engine with rotary valves

Details Paired piston engine with rotary valves Paired piston engine with rotary valves

1976-07-28

1977-07-26

Burns, Wendell E.

Internal-combustion engines

Six-cycle

123 51AA, 123 75B, F02B 7502

Patent

active

040375722

ABSTRACT:
A paired piston engine has a rotary valve positioned above and transversely to the cylinders. The rotor of each rotary valve unit has three passages associated with three ports in the pressure pieces at the sides of the rotors. One passage/port arrangement opens and closes the intake. A second passage/port arrangement opens and closes the exhaust. The third passage/port arrangement opens and closes a second exhaust or second intake. As a result, the engine is a six cycle engine (third passage/port as a second exhaust) or a stratified charge engine (third passage/port as a stratified charge intake).

REFERENCES:
patent: 1315954 (1919-09-01), Frazier
patent: 1514280 (1924-11-01), Girvin
patent: 1837870 (1931-12-01), Johnston
patent: 2334917 (1943-11-01), Ford
patent: 2387843 (1945-10-01), Gray
patent: 2420136 (1947-05-01), Hill
patent: 3948227 (1976-04-01), Guenther

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