Rotary valve seal assembly

Details Rotary valve seal assembly Rotary valve seal assembly

1975-11-26

1977-04-26

Burns, Wendell E.

Internal-combustion engines

Valve

Rotary

123190A, 123190R, F01L 700

Patent

active

040194876

ABSTRACT:
A seal assembly for a rotary valved internal combustion engine is disclosed. The seal assembly comprises longitudinal side seals for axially sealing an interface between a cylindrical valve housing and a complementary valve rotor body therein. Circumferential ring seals are spaced apart along the valve rotor body for isolating inlet or exhaust ports which extend diametrically through the rotor. The ring seals are provided with a novel means for biasing the seals against the rotor. Spacers are provided for locating and retaining the seals in position within the housing, with bearing rings between the spacers for rotationally supporting the rotor. The assembly also includes means for locating the spacers properly in a head of the engine and for properly orienting the end seals.

REFERENCES:
patent: 1102183 (1914-06-01), Augustin et al.
patent: 1166397 (1915-12-01), Woloff
patent: 1215993 (1917-02-01), Rimbach
patent: 1224557 (1917-05-01), McKelvy
patent: 1794061 (1931-02-01), Culver
patent: 1942155 (1934-01-01), Stevens
patent: 2089582 (1937-08-01), Seifert
patent: 2459936 (1949-01-01), Hasler et al.
patent: 2730088 (1956-01-01), Hyde
patent: 3367666 (1968-02-01), Symons

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