Pressure Compensating valve

Details Pressure Compensating valve Pressure Compensating valve

2006-02-14

2006-02-14

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

C137S512150, C137S512300, C137S908000, C251S901000, C128S205240

Reexamination Certificate

active

06997206

ABSTRACT:
This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for containing fluid, defined by a flexible barrier (2) trapped between first (3) and second (4) surfaces. A fluid inlet provides fluid to the interior of the chamber. A fluid outlet selectively allows fluid to pass out of the chamber. Movement of the first (3) and second (4) surfaces relative to each other causes change in contact between the flexible barrier and the first and second surfaces to selectively open the fluid outlet, in a first position, and occlude it between the flexible barrier and one of the surfaces, in a second position.

REFERENCES:
patent: 1618671 (1927-02-01), Pick
patent: 2174503 (1939-09-01), Whipple
patent: 3070108 (1962-12-01), Fischer
patent: 3815626 (1974-06-01), Bryant
patent: 4390036 (1983-06-01), Athanassiu et al.
patent: 4428392 (1984-01-01), Jones
patent: 4552177 (1985-11-01), Lapeyre
patent: 4616646 (1986-10-01), Beaussant
patent: 32 29 608 (1984-02-01), None
patent: 8602258-9 (1988-01-01), None
patent: WO 82/01924 (1982-06-01), None
Patent Abstracts of Japan, M-584, p. 7, JP 61-270567 A (Taiyo Sangyo KK), Nov. 29, 1986.

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