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, Ronald B Robol, Christopher R Yahnker, Daniel J Hruby, Kevin Murphy, Edward Brown, David MacCallum, Dennis Dunn, Kenneth N Clack, Einar Kjartan Runarsson, Alberto Morando: Pumping system with two way communication. Pentair Water Pool and, Danfoss Low Power Drives, Greenberg Traurig, December 21, 2010: US07854597 (24 worldwide citation)

A pumping system for moving water of a swimming pool includes a water pump, a variable speed motor, and an arrangement for controlling the variable speed motor. The pumping system further includes an auxiliary device operably connected to the arrangement for controlling, and an arrangement for provi ...


3
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Einar Kjartan Runarsson: Pumping system with power optimization. Pentair Water Pool and, Danfoss Low Power Drives division of Danfoss Drives, Greenberg Traurig, March 30, 2010: US07686589 (23 worldwide citation)

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 ...


4
Melissa Drechsel Kidd, William James Genaw, Micheal Robert Pasche, Gary Thomas Baase II, Lars Hoffmann Berthelsen, Rasmus Fink, Martin Skov Holm: System and method for motor drive control pad and drive terminals. Sta Rite, Danfoss Low Power Drives, Quarles & Brady, May 7, 2013: US08436559 (19 worldwide citation)

Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill ...


5
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Christopher R Yahnker, Einar Kjartan Runarsson: Pumping system with power optimization. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, August 6, 2013: US08500413 (18 worldwide citation)

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 ...


6
Robert W Stiles Jr, Lars Hoffmann Berthelsen, Ronald B Robol, Gert Kjaer, Einar Kjartan Runarsson: Filter loading. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, July 9, 2013: US08480373 (18 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 ...


7
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 ...


8
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 ...


9
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 ...


10
Robert W Stiles Jr, Lars Hoffmann Berthelsen: Method of operating a safety vacuum release system. Pentair Water Pool and, Danfoss Low Power Drives, Quarles & Brady, November 20, 2012: US08313306 (16 worldwide citation)

Embodiments of the invention provide a method of operating a safety vacuum release system (SVRS) with a controller for a pump including a motor. The method can include measuring an actual power consumption of the motor necessary to pump water and overcome losses. The method can include triggering th ...