Sensitive fluid balancing relief valve

Details Sensitive fluid balancing relief valve Sensitive fluid balancing relief valve

2006-07-25

2006-07-25

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

C137S512150

Reexamination Certificate

active

07080660

ABSTRACT:
A relief valve comprising a diaphragm for control of process pressure is provided. The diaphragm has a fluid pressure on a first side and a process pressure on a second side. The second side is engagable with a process void and at least one vent void such that when the process pressure is below the fluid pressure the diaphragm is engaged with the vent void. When the process pressure is above the fluid pressure the diaphragm is not engaged with the vent void.

REFERENCES:
patent: 2563665 (1951-08-01), Thomas
patent: 4625759 (1986-12-01), Craig
patent: 4712580 (1987-12-01), Gilman et al.
patent: 4846215 (1989-07-01), Barree
patent: 4903721 (1990-02-01), Maier

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