1
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher Yahnker, Daniel J Hruby, Kevin Murphy, Einar Kjartan Runarsson, Arne Fink Hansen, Florin Lungeanu, Peter Westermann Rasmussen: Speed control. Pentair Water Pool and, Quarles & Brady, June 9, 2015: US09051930 (13 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, an infinitely variable speed motor, and an arrangement for operating the motor. In one example, the pumping system includes a memory configured to store a plurality of retained speed values, an arrangement for providing a pl ...


2
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Everett Cox, Donald Steen, Kevin Murphy, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer, Nils Ole Harvest, Christopher Yahnker, Walter Woodcock Jr, Einar Kjartan Runarsson, Arne Fink Hansen, Alberto Morando, Florin Lungeanu: Control algorithm of variable speed pumping system. Pentair Water Pool and, Danfoss Drives, Quarles & Brady, March 28, 2017: US09605680 (2 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 ...


3
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher Yahnker, Elnar Kjartan Runarsson: Pumping system with power optimization. Pentair Water Pool and, Danfoss Drives, Quarles & Brady, April 3, 2018: US09932984

The present invention provides a pumping system for moving water of a swimming pool, including a water pump and a variable speed motor. In one example, a target volume amount of water and an operational time period is provided, and the operational time period is altered based upon a volume of water ...