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STILES ROBERT W, BERTHELSEN LARS HOFFMANN, WESTERMANN RASMUSSEN PETER, KJAER GERT, LUNGEANU FLORIN: SYSTEME DE REGULATION DE DEBIT, FLOW CONTROL. PENTAIR WATER POOL AND, DANFOSS LOW POWER DRIVES A DIVISION OF DANFOSS DRIVES, PENTAIR WATER POOL AND, DANFOSS LOW POWER DRIVES A DIVISION OF DANFOSS DRIVES, FINLAYSON & SINGLEHURST, April 2, 2013: CA2672410 (13 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump and a variable speed motor. The pumping system further includes means for determining a first motor speed of the motor, means for determining first and second performance values of the pumping system, and means for comparing ...


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Stiles Robert W, Westermann Rasmussen Peter, Kjaer Gert, Kjartan Runarsson Einar, Fink Hansen Arne, Morando Alberto, Lungeanu Florin, Harvest Nils Ole, Hoffmann Berthelsen Lars, Robol Ronald B, Yahnker Christopher R, Cox Everett, Steen Donald, Murphy Kevin, Woodcock Walter J Jr, Hruby Daniel J: Control algorithm of variable speed pumping system. Pentair Water Pool And, Danfoss Low Power Drives, May 30, 2007: EP1790858-A1 (12 worldwide citation)

A pumping system includes a pump for moving water. In one aspect, this is in connection with performance of an operation. The system includes a variable speed motor operatively connected to drive the pump. A value indicative of flow rate of water is determined and the motor is controlled to adjust t ...


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Stiles Robert W, Berthelsen Lars Hoffmann, Kjaer Gert, Lungeanu Florin: Priming protection. Pentair Water Pool And, Danfoss Low Power Drives, Stiles Robert W, Berthelsen Lars Hoffmann, Kjaer Gert, Lungeanu Florin, FELLOWS Gerald L, June 19, 2008: WO/2008/073329 (12 worldwide citation)

A method and apparatus are provided for determining a priming status of a pumping system. The pumping system includes a water pump and a variable speed motor. The method includes the steps of determining a reference power consumption of the motor, determining an actual power consumption of the motor ...


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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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Cox Everett, Fink Hansen Arne, Harvest Nils Ole, Hoffmann Berthelsen Lars, Hruby Daniel J, Kjaer Gert, Kjartan Runarsson Einar, Lungeanu Florin, Morando Alberto, Murphy Kevin, Robol Ronald B, Steen Donald, Yahnker Christopher, Stiles Robert W, Westermann Rasmussen Peter, Woodcock Walter J Jr: Control algorithm of variable speed pumping system. Pentair Water Pool And, Danfoss Low Power Drives, November 26, 2008: EP1995462-A2 (12 worldwide citation)

A pumping system (10, 110) includes a pump (16, 116) for moving water. In one aspect, this is in connection with performance of an operation. The system (10, 110) includes a variable speed motor (24, 124) operatively connected to drive the pump (16, 116). A value indicative of flow rate of water is ...


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Stiles Robert W, Berthelsen Lars Hoffmann, Westermann Rasmussen Peter, Kjaer Gert: Flow control. Pentair Water Pool And, Danfoss Low Power Drives, Stiles Robert W, Berthelsen Lars Hoffmann, Westermann Rasmussen Peter, Kjaer Gert, Lungeanu Florin, FELLOWS Gerald L, June 19, 2008: WO/2008/073386 (1 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump and a variable speed motor. The pumping system further includes means for determining a first motor speed of the motor, means for determining first and second performance values of the pumping system, and means for comparing ...


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Stiles Robert W, Berthelsen Lars Hoffmann, Westermann Rasmussen Peter, Kjaer Gert, Lungeanu Florin: Anti-entrapment and anti-deadhead function. Pentair Water Pool And, Danfoss Low Power Drives, Stiles Robert W, Berthelsen Lars Hoffmann, Westermann Rasmussen Peter, Kjaer Gert, Lungeanu Florin, FELLOWS Gerald L, June 19, 2008: WO/2008/073418 (1 worldwide citation)

A pumping system includes a water pump for moving water. The pumping system includes means for determining a value indicative of a blockage that inhibits the movement of water through the pumping system, and means for determining a performance value of the pumping system. In one example, the pumping ...