Fluid dampened back pressure regulator

Details Fluid dampened back pressure regulator Fluid dampened back pressure regulator

1983-08-22

1985-07-30

Cohan, Alan

Fluid handling

Line condition change responsive valves

Direct response valves

1375395, F16K 4700, F16K 1506

Patent

active

045315426

ABSTRACT:
A fluid dampened back pressure regulator valve comprising a housing having an inlet port in communication with a fluid pressure source and an outlet port in communication with the inlet port, a valve seat disposed within the housing for cooperation with a valve closure member to provide alternate open and closed positions for the valve, an adjustable control spring operable for maintaining the closure member in a normally closed position and compressible upon the presence of excessive pressure at the inlet port for releasing the closure member for opening of the valve, and a fluid dampened piston assembly interposed between the spring and the closure member for dampening the opening and closing action for reducing damage to the internal elements of the valve and for eliminating valve clatter during opening and closing of the valve.

REFERENCES:
patent: 2142410 (1939-01-01), Quick
patent: 2361881 (1944-10-01), Sheppard
patent: 2568026 (1951-09-01), Pigott
patent: 2686534 (1954-08-01), Montelius
patent: 3487852 (1970-01-01), Kikendall
patent: 3610276 (1971-10-01), Seelman et al.
patent: 3747635 (1973-07-01), Garamy
patent: 3848632 (1974-11-01), Powell
patent: 4321945 (1982-03-01), Chabat-Courrede

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