Pressure control valve

Details Pressure control valve Pressure control valve

1986-12-11

1988-11-29

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251 61, 251243, 251285, G05D 1606

Patent

active

047874139

ABSTRACT:
A pressure control valve (10) comprises a first element (14) arranged to pivot relative to a second element (18) in response to inflation and deflation of a sac (16) interposed between the elements, the second element having a fluid passageway (32, 34) including an outlet (32a) which is controlled by said first element by virtue of its pivotal movement, said fluid passageway communicating with said inflatable sac, means (30) being provided to adjust and limit the pivotal action of the first element.

REFERENCES:
patent: 1753536 (1930-04-01), Scovel
patent: 2521166 (1950-09-01), Hinrichs
patent: 2800136 (1957-07-01), Bowditch
patent: 2915078 (1959-12-01), Ochs
patent: 3044446 (1962-07-01), Vanderhoven
patent: 3263696 (1966-08-01), Robins
patent: 3451421 (1969-06-01), Vicenzi et al.
patent: 3511472 (1970-05-01), Zimmerman
patent: 3580502 (1971-05-01), Duchek
patent: 3845783 (1974-11-01), De Lepeleire
patent: 3853143 (1974-12-01), De Lepeleire
patent: 4336918 (1982-06-01), Karbo
patent: 4365846 (1982-12-01), Schopper et al.

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