Fluid flow controller

Details Fluid flow controller Fluid flow controller

1985-03-25

1988-04-12

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Pop valves

1374848, F16K 1708, F16K 1734

Patent

active

047367679

ABSTRACT:
A fluid flow controller utilizes a vacuum assist to decrease accummulation. The controller comprises a poppet and a poppet seat between the fluid inlet and the fluid outlet. An axially movable piston is connected to the poppet so that the piston and poppet move axially together. A high pressure chamber is at the pressure of the inlet fluid and a low pressure chamber is in fluid communication with the gap between the poppet and poppet seat. The difference in pressure between the two chambers is used to bias the poppet away from the poppet seat.

REFERENCES:
patent: 1994320 (1935-03-01), McLaughlin
patent: 2387363 (1945-10-01), Terry
patent: 2387364 (1945-10-01), Terry
patent: 3873063 (1975-03-01), Illing

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