Flow regulator

Details Flow regulator Flow regulator

1978-11-07

1981-02-17

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251282, G05D 701

Patent

active

042509149

ABSTRACT:
A valve for controlling fluid flow having a cavity divided into first and second chambers by a first bellows carrying a plunger which has one end extending into the valve outlet opening at one wall of the first chamber. A second bellows, co-axial with the first bellows, acts between the end of the plunger remote from the opening and a wall of the second chamber and forms a third chamber in communication with fluid at the outside of the opening by way of a longitudinal conduit in the plunger. Inlet fluid is supplied to the second chamber and is supplied to the first chamber by way of a manually operable flow control valve. The plunger position is dependent upon the difference in fluid pressures in the first and second chambers and varies the size of the opening. Fluid in the third chamber counter-balances the pressure of the fluid at the outlet on the end of the plunger thereat.

REFERENCES:
patent: 2307949 (1943-01-01), Phillips
patent: 2865397 (1958-12-01), Chenault
patent: 2909191 (1959-10-01), Horton
patent: 2916047 (1959-12-01), Butcher
patent: 3121440 (1964-02-01), Heller
patent: 3214134 (1965-10-01), Noakes
patent: 3602252 (1971-08-01), Barnes
patent: 4043332 (1977-08-01), Metcalf

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