Filter for a water tank

Details Filter for a water tank Filter for a water tank

1991-11-04

1992-12-08

Silverman, Stanley S.

Liquid purification or separation

Structural installation

Closed circulating system

2104162, 119 5, A01K 6304

Patent

active

051695200

ABSTRACT:
A filter for a tank including a base, a casing disposed on the base, a partition plate separating the casing into a room and a space, a filter material disposed in the room, the casing including a number of holes formed in a bottom of the room and including a wall having a number of orifices in communication with the space, water being cleaned and filtered by the filter materials and flowing into the base as clean water, a tube extended into the base, a pump disposed above the tube for pumping the clean water to an upper portion of the tank via the tube.

REFERENCES:
patent: 3151069 (1964-09-01), Halpert
patent: 3487440 (1969-12-01), Newsteder
patent: 3630367 (1971-12-01), Willinger
patent: 4186093 (1980-01-01), Willinger
patent: 4295965 (1981-10-01), Koster
patent: 4392953 (1983-07-01), Cornelius et al.
patent: 4753723 (1988-06-01), Willinger
patent: 4802980 (1989-02-01), Gilkey et al.
patent: 4944871 (1990-07-01), Ogawa
patent: 5011600 (1991-04-01), Mowka, Jr. et al.
patent: 5059315 (1991-10-01), Senape
patent: 5062951 (1991-11-01), Tominaga

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