| 摘要 |
An improved rotary valve assembly for use in internal combustion engines involving a two-piece cylinder head accommodating rotary intake valves (18) and rotary exhaust valves (20) mounted on independent shafts (34), 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 (32) and the evacuation and interruption of evacuation of the spent gases from the cylinder, respectively, the lubrication of the rotary valve assembly being a drip feed through a longitudinal conduit (46) in each respective shaft and radial conduits (48) in each respective shaft in registration with the bearing means (40) supporting the shaft within the cylinder head. |
