Sealing arrangement for a rotary slide valve

Details Sealing arrangement for a rotary slide valve Sealing arrangement for a rotary slide valve

1987-06-19

1988-10-18

Shoap, Allan N.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

123190E, 251283, 277 71, 277 99, F01L 716, F16J 1516, F16K 2500, F16K 3904

Patent

active

047781483

ABSTRACT:
A profiled seal which is subjected to the influence of gas pressure forces in a pressure chamber associated with a rotary slide valve is provided with an enlargement, facing the slide valve, of its inner cross section in order to prevent an inadmissibly large increase of the contact pressure forces between the profiled seal and the slide valve, with an enlargement.

REFERENCES:
patent: 3109623 (1963-11-01), Bryant
patent: 3656498 (1972-04-01), Grove et al.
patent: 4108196 (1978-08-01), Calvert et al.

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