Valve seal for rotary valve engine

Details Valve seal for rotary valve engine Valve seal for rotary valve engine

1989-12-06

1990-12-11

Cross, E. Rollins

Internal-combustion engines

Valve

Rotary

F01L 716

Patent

active

049762320

ABSTRACT:
A valve seal for a rotary valve assembly for use in internal combustion engines having rotary intake valves and rotary exhaust valves which have a spherical peripheral surface, the valve seal being of two-piece construction surrounding the intake or exhaust port and having an upper surface designed to contact the peripheral surface of the rotary valve, the two-piece construction defining a channel whereby compressed gases exert additional pressure on the seal enhancing the sealing contact between the seal and the valve.

REFERENCES:
patent: 4098239 (1978-07-01), Vallejos
patent: 4134381 (1979-01-01), Little
patent: 4467751 (1984-08-01), Asaka et al.

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