Pressure compensated flow control valve assembly for fluids cont

Details Pressure compensated flow control valve assembly for fluids cont Pressure compensated flow control valve assembly for fluids cont

1983-08-22

1985-04-30

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137504, G05D 701

Patent

active

045137773

ABSTRACT:
A pressure compensating flow control valve assembly for providing a constant flow rate for fluids having a high solids content is disclosed. The valve assembly includes a housing comprising first and second housing members having an inlet and an outlet, respectively, a deflectable diaphragm clamped between the housing members and which divides the housing into first and second chambers, and a control valve means carried by the diaphragm which includes a fixed control orifice in communication with the second chamber and outlet and a poppet valve for throttling flow of fluids from the inlet to the first chamber. The control valve means is constructed such that the fluid is caused to be moved in a tortuous path through the valve assembly so as to prevent or minimize solids in the fluid from settling out.

REFERENCES:
patent: 316626 (1885-04-01), Jackson
patent: 2401503 (1946-06-01), Paasche
patent: 2623331 (1952-12-01), Greening
patent: 2704553 (1955-03-01), de Verteuil
patent: 3201048 (1965-08-01), Gibbs
patent: 3373762 (1968-03-01), Korchak
patent: 3442288 (1969-05-01), Scaramucci
patent: 3443578 (1969-05-01), Hedin
patent: 4228958 (1980-10-01), Perry
patent: 4368852 (1983-01-01), Sharp

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