Safety system for multiple drain pools

Details Safety system for multiple drain pools Safety system for multiple drain pools

1997-03-05

1999-04-20

Fetsuga, Robert M.

Baths, closets, sinks, and spittoons

Pool type

Accessory

4509, 417503, E04H 412

Patent

active

058946098

ABSTRACT:
A method and apparatus for alternately providing and releasing suction to a plurality of pool drains or if desired alternately providing suction and liquid under pressure to pool drains to prevent one from becoming stuck to the drains. This includes introducing a valve arrangement between the drains and the suction pump which is continuously operated to control the flow between the drains and the pump.

REFERENCES:
patent: 2071800 (1937-02-01), Mock
patent: 2266126 (1941-12-01), Malsbary et al.
patent: 2979733 (1961-04-01), Saint Clair et al.
patent: 4240165 (1980-12-01), Kyrias
patent: 4530120 (1985-07-01), Etani

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