Internal-combustion engines – Valve – Rotary
Patent
1975-02-18
1976-11-02
Burns, Wendell E.
Internal-combustion engines
Valve
Rotary
123 80BA, 123190B, 123 90BC, 123190E, F01L 700
Patent
active
039890252
ABSTRACT:
The valve system of this invention is for use on an internal combustion engine having a plurality of pistons slidable in respective cylinders each forming a combustion chamber. The engine comprises a block forming the cylinders and having a head or rotary valve housing mounted to the top of the block. In a multiple cylinder in-line engine design, a shaft is suitably supported extending within the housing and is driven via a timing belt from the crankshaft. A plurality of preferably parabolically shaped rotors are fixedly disposed along the length of the shaft at predetermined intervals with each rotor positioned above a cylinder and received by a bushing of the housing. The shaft is preferably spring loaded at one end and supported by bearings at both ends. Each rotor is constructed of a pressed graphite and has an arcuate recess for providing selective communication between either an inlet port or an exhaust port and a passage in the head leading to the combustion chamber.
REFERENCES:
patent: 1229602 (1917-06-01), Francis
patent: 1447980 (1923-03-01), Heath
patent: 1573022 (1926-02-01), Wehr
patent: 1649235 (1927-11-01), Jones
patent: 1787628 (1931-01-01), Jones
patent: 1790462 (1931-01-01), Congellier
patent: 2328115 (1943-08-01), Wehr
patent: 2857902 (1958-10-01), VanVorst
Burns Wendell E.
Reynolds David D.
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