Pressure control valve

Details Pressure control valve Pressure control valve

1990-11-13

1992-07-14

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Direct response valves

13754315, F16K 1506

Patent

active

051294192

ABSTRACT:
A valve having a valve poppet which is positioned by the opposing forces of a spring and inlet fluid pressure, and a dashpot located out of the path of fluid flow through the valve for damping movement of the poppet during rapid changes in fluid pressure without obstructing flow through the valve. The disclosed valve is a hydraulic pressure relief valve having a valve seat which is movable to aid alignment of the poppet and seat.

REFERENCES:
patent: 2593522 (1952-04-01), Barnes
patent: 2809660 (1957-10-01), Becker
patent: 2970802 (1961-02-01), Guerrero et al.
patent: 3027913 (1962-04-01), Chatham et al.
patent: 3850405 (1974-11-01), White
patent: 4018248 (1977-04-01), Carr
patent: 4392633 (1983-07-01), Van Winkle
patent: 4469125 (1984-09-01), Keeney
patent: 4489752 (1984-12-01), Deminski

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