Flow-actuated trapped-pressure unloader valve

Details Flow-actuated trapped-pressure unloader valve Flow-actuated trapped-pressure unloader valve

2005-02-22

2005-02-22

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

C137S115110, C137S115160, C137S597000

Reexamination Certificate

active

06857444

ABSTRACT:
The invention recites an unloader valve operable to direct a flow of fluid. The valve includes a housing having a bypass opening, an inlet opening, an outlet opening and an internal chamber between the inlet opening and the outlet opening. A shuttle valve is disposed within the internal chamber and is movable between a first position wherein the flow of fluid is substantially directed to the bypass opening and a second position wherein the flow of fluid is directed to the outlet opening. The shuttle valve includes an internal flow path having a venturi therein. A biasing member biases the shuttle valve in the first position.

REFERENCES:
patent: 2188463 (1940-01-01), Mercier
patent: 2395941 (1946-03-01), Rockwell
patent: 2501593 (1950-03-01), Becker
patent: 2772690 (1956-12-01), Mercier et al.
patent: 2960996 (1960-11-01), Haselton
patent: 3085588 (1963-04-01), Oliphant et al.
patent: 3183933 (1965-05-01), Whitlock et al.
patent: 3613997 (1971-10-01), Thompson
patent: 3685533 (1972-08-01), Krechel
patent: 3707981 (1973-01-01), Sadler et al.
patent: 4470428 (1984-09-01), Bishop et al.
patent: 4644974 (1987-02-01), Zingg
patent: 4726526 (1988-02-01), Ostergaard
patent: 5311905 (1994-05-01), De Santis
patent: 5427151 (1995-06-01), Pauley
patent: 5538027 (1996-07-01), Adamson et al.
patent: 5755251 (1998-05-01), Simonette
patent: 6053196 (2000-04-01), Körtge

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