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Stiles Robert W, Berthelsen Lars Hoffmann, Robol Ronald B, Kjaer Gert, Runarsson Einar Kjartan: Filter loading. Pentair Water Pool And, Danfoss Low Power Drives, Stiles Robert W, Berthelsen Lars Hoffmann, Robol Ronald B, Kjaer Gert, Runarsson Einar Kjartan, FELLOWS Gerald L, June 19, 2008: WO/2008/073330 (12 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, a variable speed motor, and a filter arrangement in fluid communication with the pump. The pumping system can also include means for determining a load value indicative of an unclogged filter that permits movement of water t ...


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