Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Patent
1983-03-21
1986-01-14
Fisher, Richard V.
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
210169, 2104162, 13762546, B01D 3500, B01D 3502
Patent
active
045644519
ABSTRACT:
An apparatus for circulating water in a swimming pool including a strainer that is connected to a swimming pool unfiltered intake with a pump connected to the strainer for pumping water from the strainer to a filter. The filter in turn is connected to a swimming pool filtered return for depositing the filtered water into the swimming pool. The invention includes a valve connected to the pump, strainer and filter for temporarily altering the flow of water from the swimming pool drain to the pump and back through the strainer in a direction that is opposite to the flow of water from the swimming pool drain to a waste drain. A method for cleaning the residue collected by a strainer in a swimming pool water circulation system is also included that also includes altering the flow of water from the swimming pool intake to a pump, in order that the pump may pump water in a direction opposite to the normal flow of water through a strainer to remove particles contained in the strainer. The altered flow of water containing the particles from the strainer is then directed to a waste drain.
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Multi-O-Matic Pool Filter System, Brochure of Aladdin Swimming Pool Co., Nashville, Tenn.
Lo Loss Valve Products, Brochure of Mark Urban, Tustin, Ca.
Cohen Sharon T.
Fisher Richard V.
Performance Pool Products, Ltd.
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