Spherical rotary valve assembly for an internal combustion engin

Details Spherical rotary valve assembly for an internal combustion engin Spherical rotary valve assembly for an internal combustion engin

1989-10-16

1990-07-31

Cross, E. Rollins

Internal-combustion engines

Valve

Rotary

123190A, 123190E, F01L 710

Patent

active

049442619

ABSTRACT:
An improved rotary valve assembly for use in internal combustion engines involving a two-piece cylinder head accommodating rotary intake valves and rotary exhaust valves mounted on independent shafts, operating at one-quarter speed of the crankshaft rotation with each of the rotary intake valves and rotary exhaust valves having two passageways for the introduction and interruption of fuel/air mixture into the cylinder and the evacuation and interruption of evacuation of the spent gases from the cylinder, respectively, the lubrication of the rotary valve assembly being by a drip feed through a longitudinal conduit in each respective shaft and radial conduits in each respective shaft in registration with the bearing means supporting the shaft within the cylinder head.

REFERENCES:
patent: 4077382 (1978-03-01), Gentile
patent: 4545337 (1985-10-01), Lyons et al.
patent: 4821692 (1989-04-01), Browne

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