Vacuum filter system for swimming pools

Details Vacuum filter system for swimming pools Vacuum filter system for swimming pools

1984-02-27

1986-03-04

Caroff, Marc L.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210169, 2104162, B10D 3500, E04H 316

Patent

active

045740488

ABSTRACT:
A vacuum filter system for swimming pools, which includes a filter tank carrying a plurality of replaceable filter cartridges, the filter tank being in the suction line from the pool, which tank has an outlet connected to a pump which has a return line to the pool, with air being purged from the filter tank by the vacuum created in the filter tank when in operation.

REFERENCES:
patent: 2790461 (1957-04-01), Lightfoot et al.
patent: 2979733 (1961-04-01), Claire et al.
patent: 3365064 (1968-01-01), Horan, Jr.
patent: 3532217 (1970-10-01), Richards
patent: 3859214 (1975-01-01), Lang et al.
patent: 4127485 (1978-11-01), Baker et al.
patent: 4187179 (1980-02-01), Harms
patent: 4219423 (1980-08-01), Smith, Jr.
patent: 4330412 (1982-05-01), Frederick

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