Passively actuated valve

Details Passively actuated valve Passively actuated valve

1990-04-30

1992-03-10

Rivell, John

Valves and valve actuation

Fluid actuated or retarded

Piston type expansible chamber reciprocating valve actuator

251338, F16K 31122, F16K 324

Patent

active

050944282

ABSTRACT:
A valve comprises a valve body extending vertically, provided with an inlet conduit and an outlet conduit, at the interior of which there is located a suitable weighted shutter arranged for sliding in a guided manner between opening and closing positions for said conduits and to divide said valve body in an upper plenum chamber communicating with the sucking side of a pump and in a lower plenum chamber communicating with the delivery side of said pump.

REFERENCES:
patent: 1153973 (1915-09-01), Tacit et al.
patent: 2651325 (1953-09-01), Lusignan, Jr.
patent: 3004551 (1961-10-01), Shafer
patent: 3004552 (1961-10-01), Shafer
patent: 3159378 (1964-12-01), Haag
patent: 4308887 (1982-01-01), van Bogaert
patent: 4566485 (1986-01-01), Ruhle

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