Assembly for drawing off a liquid by means of a gas under pressu

Details Assembly for drawing off a liquid by means of a gas under pressu Assembly for drawing off a liquid by means of a gas under pressu

1981-07-21

1984-05-29

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Gas pressure storage over or displacement of liquid

2224007, F16L 3900

Patent

active

044508530

ABSTRACT:
The invention relates to an assembly for drawing off a liquid by means of a gas under pressure. A head comprises a central sliding tube, controlled by a cam, and a ring defining, due to an O-ring, a tight annular chamber when the tube is raised. A plunger tube is surrounded by a sleeve which raises the valve after the end of the central sliding tube has been brought into tight abutment on a flexible sleeve.

REFERENCES:
patent: 3687340 (1929-08-01), DeLaHunt
patent: 4180189 (1979-12-01), Zurit

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