Filtration system pump arrangement

Details Filtration system pump arrangement Filtration system pump arrangement

1981-12-10

1983-08-02

Spitzer, Robert H.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

210167, 210196, 210387, 2104161, B01D 2936

Patent

active

043965059

ABSTRACT:
A filtering device including a tank partially located below floor level having a filtrate compartment and a filter means interposed therebetween. Reservoir means and an end suction centrifugal pump means both located substantially on floor level wherein conduit means selectively permits the filtrate level in the reservoir to maintain a positive pressure at the inlet of the pump when pump is shut off, and to neutralize the pressure differential between the filtrate compartment and the tank.

REFERENCES:
patent: 3087620 (1963-04-01), Hirs
patent: 3091336 (1963-05-01), Hirs
patent: 3305094 (1967-02-01), Casson
patent: 3618772 (1971-11-01), Dietrick
patent: 3690466 (1972-09-01), Lee et al.
patent: 3864266 (1975-02-01), Dietrick
patent: 4137169 (1979-01-01), El-Hindi
patent: 4159948 (1979-07-01), Crowe

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