Swimming pool main drain assembly

Details Swimming pool main drain assembly Swimming pool main drain assembly

1996-11-07

1998-06-02

Popovics, Robert

Liquid purification or separation

Processes

Separating

210169, 2104162, 210805, 210163, 4509, E04H 412

Patent

active

057594147

ABSTRACT:
A swimming pool main drain assembly comprises a cup-shaped fitting recessed in a pool bottom and having an open mouth substantially coplaner with the pool bottom. A port is provided in the fitting which communicates with the suction inlet of a circulation pump. A return port assembly is provided in the fitting which communicates with an outlet of the circulation pump. The return port assembly includes an outlet conduit which directs water in a substantially vertical direction out of the main drain and educts a portion of the pool water.

REFERENCES:
patent: 2073784 (1937-03-01), Day
patent: 4460462 (1984-07-01), Arneson
patent: 4832838 (1989-05-01), Stone
patent: 5408706 (1995-04-01), Barnes

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