Rotary valve device for internal combustion engines

Details Rotary valve device for internal combustion engines Rotary valve device for internal combustion engines

1988-06-14

1989-08-22

Wolfe, Willis R.

Internal-combustion engines

Valve

Rotary

123 80BA, 123190E, F01L 710

Patent

active

048585777

ABSTRACT:
A rotary valve system for an internal combustion engine having ball-type valves with through bores. The valves are driven by rocking cam mechanisms within passageways for controlling communication through intake and exhaust passages. Valve seats are arranged to either side of the valves such that sealing thereof may occur. In one embodiment, side cut portions are employed to allow either intake or exhaust gases to flow around the valve body as well as through the through bore when the valve is in the opening or closing orientation. In another embodiment, a through bore of square cross section is provided to increase flow during opening and closing thereof. In a third embodiment, a bias mechanism is employed to provide torque on the valves and drive mechanism to eliminate clearances such that impact between components will be reduced or eliminated.

REFERENCES:
patent: 1135719 (1915-04-01), Ritter
patent: 1414692 (1922-05-01), Dickerson
patent: 2370283 (1945-02-01), Baker
patent: 2857902 (1958-10-01), Van Worst
patent: 2874686 (1959-02-01), Carey
patent: 3256910 (1966-06-01), Cupp
patent: 3730161 (1973-05-01), Deanne

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