Automatic flow control valve assembly

Details Automatic flow control valve assembly Automatic flow control valve assembly

1976-07-01

1978-05-16

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

Line flow effect assisted

13750526, 13750541, 13750542, F16K 3112

Patent

active

040893430

ABSTRACT:
A valve assembly for automatically controlling the flow of a fluid comprises a casing having formed therein a first chamber, a second chamber normally communicating with the first chamber and a pressure chamber in constant fluid communication with the second chamber. Means in the form of a bellows or piston is disposed in the pressure chamber to operate a valve member such that communication between the first and second chambers is interrupted upon the increase of the fluid pressure in the latter beyond a normal level.

REFERENCES:
patent: 1515911 (1924-11-01), Terry
patent: 2887123 (1959-05-01), Becker
patent: 2904068 (1959-09-01), St. Clair
patent: 3371681 (1968-03-01), Thomas
patent: 3791412 (1974-02-01), Mays

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