Water filter assembly operable to prevent a jump condition

Details Water filter assembly operable to prevent a jump condition Water filter assembly operable to prevent a jump condition

1994-10-28

1996-01-09

Drodge, Joseph W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Fluid pressure responsive

210134, 210138, 210143, 210258, 21032169, B01D 1712

Patent

active

054826195

ABSTRACT:
A water filter includes a pressure switch in order to sense inlet water pressure of the water filter, a solenoid valve for controlling water inlet of the water filter, the solenoid valve is disposed after the pressure switch and is acted in response to the pressure switch. A central processing unit is coupled to the pressure switch and the solenoid valve for delaying action of the solenoid valve in response to the pressure switch. The pump is stopped when the pressure is actuated intermittently and continuously and when the pump runs over a predetermined time interval continuously.

REFERENCES:
patent: 4160727 (1979-07-01), Harris
patent: 4623467 (1986-11-01), Hamlin
patent: 4801375 (1989-01-01), Padilla
patent: 4969991 (1990-11-01), Valadez
patent: 5096574 (1992-03-01), Birdsong et al.
patent: 5427682 (1995-06-01), Vogel et al.

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