1
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Daniel J Hruby, Kevin Murphy, Einar Kjartan Runarsson, Arne Fink Hansen, Florin Lungeanu, Peter Westermann Rasmussen: Speed control. Pentair Water Pool and, Danfoss Low Power Drives a Division of Danfoss, Quarles & Brady, October 25, 2011: US08043070 (25 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, Peter Westermann Rasmussen, Gert Kjaer, Florin Lungeanu: Flow control. Pentair Water Pool and, Greenberg Traurig, December 7, 2010: US07845913 (24 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 ...


3
Robert W Stiles, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Everett Cox, Donald Steen, Kevin Murphy, Walter J Woodcock Jr, Daniel J Hruby, Peter Westermann Rasmussen, Gert Kjaer, Einar Kjartan Runarsson, Arne Fink Hansen, Alberto Morando, Florin Lungeanu, Nils Ole Harvest: Control algorithm of variable speed pumping system. Pentair Water Pool and, Quartes & Brady, September 13, 2011: US08019479 (21 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 ...


4
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R 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 18, 2013: US08465262 (20 worldwide citation)

Embodiments of the invention provide a pumping system for at least one aquatic application controlled by a user. The pumping system includes a pump, a variable speed motor, a memory, and a controller. The pumping system includes a user interface with a first speed button, a second speed button, an i ...


5
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Gert Kjaer, Florin Lungeanu: Priming protection. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, November 5, 2013: US08573952 (16 worldwide citation)

Embodiments of the invention provide a pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, and a controller in communication with the motor. The controller determines an actual power consumption of the motor and compares the actual po ...


6
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Peter Westermann Rasmussen, Gert Kjaer, Florin Lungeanu: Anti-entrapment and anti-dead head function. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, December 10, 2013: US08602745 (16 worldwide citation)

Embodiments of the invention provide a system including a pump, a motor, and a controller. The controller establishes a baseline value of power consumption during a deadhead condition, increases a counter when a current value decreases below the baseline value, and determines a deadhead condition wh ...


7
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Gert Kjaer, Florin Lungeanu: Priming protection. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, June 25, 2013: US08469675 (16 worldwide citation)

Embodiments of the invention provide a pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, and a controller in communication with the motor. The controller determines an actual power consumption of the motor and compares the actual po ...


8
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 ...


9
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 ...


10
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Peter Westermann Rasmussen, Gert Kjaer, Florin Lungeanu: Flow control. Pentair Water Pool and, Danfoss Drives, Quarles & Brady, October 3, 2017: US09777733 (1 worldwide citation)

A pumping system for at least one aquatic application comprises a motor coupled to a pump and a controller in communication with the motor. The controller may be adapted to determine a first motor speed, determine a present flow rate using curves of speed versus flow rate for discrete power consumpt ...