Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1998-05-29
1999-11-02
Ferensic, Denise L.
Fluid handling
Line condition change responsive valves
Direct response valves
1375145, 188297, F16K 2110
Patent
active
059751290
ABSTRACT:
This disclosure is directed to a relief valve connected to the output manifold of a triplex mud pump. The valve body includes an inlet mud flow opening, an internal passage with a movable valve element to modulate flow, and a mud outlet opening for connection with the mud line and drill stem. The movable valve element connects to a piston rod. The rod is connected to a dual chamber, hydraulically operated force creating, air cushioned regulator which adjusts the force on the piston rod and thereby adjusts the position of the valve element.
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Ferensic Denise L.
Kim Joanne Y.
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