Rotary valves

Details Rotary valves Rotary valves

1988-04-01

1989-06-13

Cross, E. Rollins

Internal-combustion engines

Valve

Rotary

F01L 700

Patent

active

048382205

ABSTRACT:
A rotary valve has a valve rotor with an angular discontinuity, the valve rotor being mounted for rotation relative to a port, so that as it rotates the rotor will open and close the port; a drive train is provided to rotate the rotor, said train being arranged to reduce the speed of the rotor so that it is stationary or near stationary when the port is closed; the port is surrounded by a seating area and the valve rotor is arranged to move into engagement with the seating area and close the port as the speed of the rotor is reduced and move away from the seating area as the speed of the rotor increases.

REFERENCES:
patent: 1799759 (1931-04-01), McDowell
patent: 2457206 (1948-12-01), Carlson
patent: 3274901 (1966-09-01), Yost
patent: 4418658 (1983-12-01), DiRoss
patent: 4517937 (1985-05-01), Ball

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