Pump valve for liquid separator

Details Pump valve for liquid separator Pump valve for liquid separator

1984-06-13

1985-02-19

Therkorn, Ernest G.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210311, 210313, 2104164, 210418, 210DIG5, 123557, B01D 2700

Patent

active

045004250

ABSTRACT:
A separating device for removing water from a fuel oil/water mixture includes a cartridge comprising a filtering media and a sump. The cartridge is installed on a mounting head, which includes a pump and a pair of check valves to permit fluid to be drained from the sump by operation of the pump. A bypass passage permits fluid to bypass the check valves during normal operation of the device, but a plunger closes the bypass passage to permit operation of the pump to move fluid through the device.

REFERENCES:
patent: 3389801 (1968-06-01), Sieger
patent: 3809244 (1974-05-01), Jackson
patent: 4276161 (1981-06-01), Matsui
patent: 4321136 (1982-03-01), Matsui
patent: 4437986 (1984-03-01), Hutchin

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