Valves and valve actuation – With means to increase head and seat contact pressure – Fluid pressure
Patent
1978-04-11
1980-11-18
Rosenthal, Arnold
Valves and valve actuation
With means to increase head and seat contact pressure
Fluid pressure
251324, 251DIG1, F16K 1107, F16K 324
Patent
active
042341620
ABSTRACT:
A pressure fluid control valve has a seal comprising a sealing element housed in a recess that is provided with a vent arranged automatically to relieve pressure in the recess if the sealing element is subject to excessive distortion.
REFERENCES:
patent: 2666614 (1954-01-01), Grove et al.
patent: 2713989 (1955-07-01), Bryant
patent: 3191626 (1965-06-01), Leibfritz
patent: 3203664 (1965-08-01), Ver Nooy
Kelman Kurt
Rosenthal Arnold
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