Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1992-11-06
1994-05-17
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
13751613, 13751615, 251159, 251172, 251191, F04B 2102
Patent
active
053119029
ABSTRACT:
A reciprocating positive displacement compressor is described having an intake or exhaust valve provided with a deformable seal means, such as a Belleville spring, that makes edge or area contact with a valve seat in the closed condition of the valve, is described.
REFERENCES:
patent: 17503 (1857-06-01), Stearns
patent: 2624587 (1953-01-01), Watson et al.
patent: 3212520 (1965-10-01), Carlton
patent: 3879942 (1975-04-01), Dorn et al.
patent: 4049014 (1977-09-01), Johnson et al.
patent: 4106816 (1978-08-01), August
patent: 4278106 (1981-07-01), Cunningham
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