Water filter with hydraulically displaceable filter unit

Details Water filter with hydraulically displaceable filter unit Water filter with hydraulically displaceable filter unit

1995-07-14

1998-09-01

Cintins, Ivars

Liquid purification or separation

Structural installation

Closed circulating system

210192, 210206, 210234, 2104162, 210420, E04H 416, C02F 1467, B01D 2700

Patent

active

058007032

ABSTRACT:
A water filter including a filter unit utilizing bag filters and including a hydraulic jack for displacing the bag filters between a lower operative position and an elevated position where the bags are readily accessible the jack preferably in the form of a pair of relatively extensible tubular telescopic members in a flow path between a pump delivery connection and the inlet to the filter bags with one of the members providing a flow communication from the member to the filter outlet. The filter also includes inlet means to the filter bag directing flow to wash the interior surface of the bags.

REFERENCES:
patent: 3143499 (1964-08-01), Miller
patent: 3169920 (1965-02-01), Payne
patent: 3820173 (1974-06-01), Weller
patent: 4555323 (1985-11-01), Collier
patent: 4641815 (1987-02-01), Yu
patent: 4749477 (1988-06-01), McGregor
patent: 4784371 (1988-11-01), Kamper
patent: 4966700 (1990-10-01), Pall
patent: 4995973 (1991-02-01), Ballenger et al.
patent: 5208923 (1993-05-01), Stiver
patent: 5384045 (1995-01-01), Chmielewski et al.

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