Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent
1993-04-13
1994-10-18
Wyse, Thomas
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
210161, 210391, 210409, 2105121, B01D 33073
Patent
active
053565320
ABSTRACT:
A cylindrical plastic pipe is used as the sidewall of the rotary portion of the strainer. Apertures are drilled radially through the pipe, and one or more screen assemblies are circumferentially wrapped around the outside of and removably fastened to the pipe to cover the apertures. The central core of the strainer contains both supply and suction pipes. The supply pipe feeds cleaning and drive nozzles that are aimed at the pipe apertures. The cleaning nozzles are aimed radially for cleaning certain apertures. The drive nozzles are aimed tangentially toward a circumferential succession of other apertures near the bottom of the pipe to drive the rotary portion. In one embodiment the drive nozzles can rotate the rotary portion in either direction.
REFERENCES:
patent: 3616914 (1971-11-01), Reid
patent: 3750885 (1973-08-01), Fournier
patent: 4261822 (1981-04-01), Richardson
patent: 4822486 (1989-04-01), Wilkins et al.
patent: 5108592 (1992-04-01), Wilkins et al.
patent: 5183568 (1993-02-01), Lescovich
patent: 5215656 (1993-06-01), Stoneburner
Stoneburner James O.
Wilkins Charles A.
Wilkins Thomas R.
Boller George L.
Perfection Sprinkler Co.
Wyse Thomas
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