Fluid control valve

Details Fluid control valve Fluid control valve

2007-05-22

2007-05-22

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

C137S517000, C137S557000

Reexamination Certificate

active

10929729

ABSTRACT:
A fluid flow control valve includes a housing having a fluid inlet and a fluid outlet, which define a flowpath therebetween. Within the housing is a chamber located in the flowpath between the fluid inlet and the fluid outlet. A valve member is mounted within the chamber from movement between an open position, allowing for flow along the flowpath, and a closed position, which prevents such flow. The valve member is biassed to the open position. The fluid control valve further includes a device for regulating fluid pressure to enable the fluid pressure to be set on the inlet side of the valve member.

REFERENCES:
patent: 2867234 (1959-01-01), Billington
patent: 3621873 (1971-11-01), Kenann et al.
patent: 3820565 (1974-06-01), Durbin
patent: 5279326 (1994-01-01), Lin
patent: 5280804 (1994-01-01), Takashima
patent: 5456281 (1995-10-01), Teay
patent: 2002/0092566 (2002-07-01), Rhone et al.
patent: 1396774 (2004-03-01), None
patent: 2381838 (2003-05-01), None

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