Automatic membrane drain device for pneumatic circuits

Details Automatic membrane drain device for pneumatic circuits Automatic membrane drain device for pneumatic circuits

1988-07-27

1990-05-08

Walton, George L.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137859, F16T 114, F16K 1514

Patent

active

049229478

ABSTRACT:
The invention provides an automatic drain device with membrane for pneumatic circuits. A flexible membrane (11) which separates the opening (2) of a jar (1) from a drain pipe (6) is precurved in a top position against this opening and against a skull-cap (8) against which it bears, which skull-cap then closes a communication orifice (14) provided on one side of the membrane. Under the action of the pressure in the jar, the membrane moves down to come to bear against a discharge end-piece (5) freeing, during this movement, orifice (14) and making drainage possible.

REFERENCES:
patent: 259682 (1882-06-01), Gruber
patent: 2232899 (1941-02-01), Aikman
patent: 2739605 (1956-03-01), Smith
patent: 2793649 (1957-05-01), Hamer
patent: 2939477 (1960-06-01), Kaldobsky
patent: 3084707 (1963-04-01), Frye
patent: 3682194 (1972-08-01), Pyle
patent: 3977426 (1976-08-01), Pyle
patent: 4182355 (1980-01-01), Briel et al.
patent: 4646781 (1987-03-01), McIntyre et al.
patent: 4712583 (1987-12-01), Pelmulder et al.

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