Internal-combustion engines – Four-cycle – Rotating valve
Patent
1986-02-10
1987-07-28
Argenbright, Tony M.
Internal-combustion engines
Four-cycle
Rotating valve
123661, F01L 710, F02F 326
Patent
active
046825720
ABSTRACT:
An internal combustion engine is provided with intake and exhaust gas valving by a single rotary valve mounted within a jacketed housing atop the cylinder. The piston has a shaft extending up through the housing, the shaft defining multiple spirals wound in opposite directions for engagement by a pair of slipring drivers. Such drivers alternately engage sliprings carried by the valve for incrementally rotating the valve in a single direction of rotation as the piston reciprocates. The valve has at least one recess for providing communication between intake and exhaust gas passages as it rotates. The central recess is C-shaped, so that the piston has a first portion including the recess, and a second portion having a flat piston face, the second portion being V-shaped.
REFERENCES:
patent: 1679832 (1928-08-01), Lang
patent: 3274901 (1966-09-01), Yost
patent: 3738332 (1973-06-01), Eyzat et al.
patent: 4170966 (1979-10-01), Schmidt
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