Pressure regulating valve

Details Pressure regulating valve Pressure regulating valve

1985-12-11

1987-07-28

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

137489, 1374925, G05D 1600, F16K 31126

Patent

active

046826220

ABSTRACT:
To provide a pressure regulating valve which is self-powered and has no sliding parts, is capable of controlling fluid pressure to a fixed delta pressure above a sensed vapor pressure, and is otherwise suited for utilization in a two phase thermal management system, a valve body is provided having an inlet port and an outlet port, and a first valve member is adapted to move between an open and a closed position to open and close the inlet port. A first pressurized chamber communicates with the inlet port and acts on the first valve member while a second pressurized chamber communicates with the outlet port and selectively communicates with the first pressurized chamber by means of a second valve member adapted to move between an open and a closed position to open and close a passage between the chambers. Additionally, the pressure regulating valve is constructed such that the first valve member is normally biased toward the closed position in opposition to pressure in the inlet port and the second valve member is normally biased toward the open position in opposition to pressure in the outlet port.

REFERENCES:
patent: 917443 (1909-04-01), John
patent: 1091536 (1914-03-01), Ross
patent: 1546466 (1925-07-01), Bayles
patent: 2991796 (1961-07-01), Griswold
patent: 3097664 (1963-07-01), Henle
patent: 3583432 (1971-06-01), Powell et al.
patent: 3805823 (1974-04-01), Kakegawa

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