Hydraulic safety valve

Details Hydraulic safety valve Hydraulic safety valve

1993-06-07

1994-03-01

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137464, 137466, F16K 1700

Patent

active

052898431

ABSTRACT:
A hydraulic safety valve adapted to cut or divert the flow of pressurized fluid A hydrau/sudden rupture occurs in the hydraulic system. The valve has a valve body with an inlet port, first and second outlet ports and a sump port. A first valve member controls the inlet port and directs fluid to one of the out let ports and a second valve member disposed within the valve which blocks the sump port when the valve is in operating position and directs the flow of pressurized fluid into the sump when the system pressure fails.

REFERENCES:
patent: 4446890 (1984-05-01), Simpson
patent: 4742841 (1988-05-01), Vonderhaar

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