Pressure regulating valves

Details Pressure regulating valves Pressure regulating valves

1984-03-02

1985-05-14

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137220, 13750518, 13750525, 251367, F16K 3114

Patent

active

045166005

ABSTRACT:
Pressure regulating valves intended primarily for use as pressure regulating shut-off valves are disclosed. The valves utilize a simple piston assembly operative between a valve open position and a valve closed position responsive to a spring biasing the assembly toward the open position against an opposite force proportional to the outlet pressure. The piston assembly has only a single seal to seal the assembly against leakage, with a shut-off mechanism operative on only a 180 degree rotation thereof being cooperatively disposed with respect to the piston assembly so as to not require any additional seals. Embodiments having a fixed pressure regulation and a manually adjustable pressure regulation are disclosed.

REFERENCES:
patent: 1483240 (1924-02-01), Olson
patent: 2091051 (1937-08-01), Mesinger
patent: 2590622 (1952-03-01), Huber
patent: 2730269 (1956-01-01), Earle
patent: 2888033 (1959-05-01), Eickmeyer
patent: 3087705 (1963-04-01), Hamilton
patent: 3115068 (1963-12-01), Lofiuk
patent: 3358964 (1967-12-01), Cohen
patent: 3777777 (1973-12-01), Katchka
patent: 4173233 (1979-11-01), Snyder
patent: 4314582 (1982-02-01), Drori

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