Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1998-10-15
2000-01-11
Savage, Matthew O.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
210236, 2103231, 2104162, 210453, 210456, 2104933, 21049701, 15 17, B01D 2130
Patent
active
060131780
ABSTRACT:
The water filter and water filter assembly for swimming pool cleaning machines of this invention has a hollow outer housing with a top, bottom, and sidewalls. An electrical pump motor is mounted within the outer housing and has an upper end. An output shaft on the pump motor extends upwardly therefrom and has an impeller mounted thereon which is positioned adjacent to and inwardly from a water discharge port in the top of the outer housing. The pump is positioned in spaced relationship with respect to the outer housing. An opening is located in the bottom of the outer housing to receive a water filter assembly. The filter assembly includes a filter housing which includes space U-shaped ends having top and bottom edges with an open U-shaped opening extending from the top edge and extending downwardly in the U-shaped ends towards the bottom edge thereof. The U-shaped ends have parallel side edges, and a pair of stiff rectangular filter elements are vertically mounted extending between the opposite side edges of the U-shaped ends. A U-shaped housing extends between the U-shaped ends and connects the U-shaped openings in each of the U-shaped ends. The filter housing has a removable bottom to cover the opening in the bottom of the outer housing. A router inlet port is in the removable bottom. The filter elements extend vertically from the top of the U-shaped housing member and removable bottom member to define a first compartment between the filter elements and the U-shaped housing member. A second compartment is located between the filter elements and the water discharge port.
REFERENCES:
patent: 4168557 (1979-09-01), Rasch et al.
patent: 5172445 (1992-12-01), Chandler
patent: 5337434 (1994-08-01), Erlich
patent: 5569371 (1996-10-01), Perling
Strano Jerome
Tages Fernando
Aqua-Vac Systems, Inc.
Savage Matthew O.
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