Filter unit for in-line use in a pool vacuum hose

Details Filter unit for in-line use in a pool vacuum hose Filter unit for in-line use in a pool vacuum hose

1993-02-12

1994-08-16

Hruskoci, Peter A.

Liquid purification or separation

Structural installation

Closed circulating system

210232, 210238, 210239, 2104162, 210445, 210446, 210453, 15 17, 4490, B01D 3502

Patent

active

053384466

ABSTRACT:
A filter unit capable of receiving a cartridge-type filter element is provided for use in-line with a suction-type pool cleaning device. The unit has an elongated housing with intake and outlet ports at opposite ends. The intake port may be connected via a hose to a pool cleaning device and the outlet port to a suction port in the pool circulation system. The unit can use a filter cartridge with an element that offers a filtration coarseness somewhere between that of the system filter and a strainer element. The housing may be adapted to receive a strainer basket in place of the filter cartridge and thus serve as a conventional leaf-trap.

REFERENCES:
patent: 2468328 (1949-04-01), Hill
patent: 2557557 (1951-06-01), Newcum
patent: 3002870 (1961-10-01), Belgarde et al.
patent: 3355021 (1967-11-01), Jones
patent: 3701433 (1972-10-01), Krakauer et al.
patent: 4166792 (1979-09-01), Offer et al.
patent: 4731178 (1988-03-01), Rosenberg
patent: 4988437 (1991-01-01), Gefter et al.
patent: 5024761 (1991-06-01), Deibel
patent: 5100541 (1992-03-01), Kallenbach
patent: 5143605 (1992-09-01), Masciarelli
patent: 5202020 (1993-04-01), Desjoyaux et al.
Rainbow Lifegard Products, Inc., one page advertisement (No date) for Leaf traps.

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