Control algorithm of variable speed pumping system

Details for Australian Patent Application No. 2005239668 (hide)

Owner Pentair Water Pool and Spa, Inc. Danfoss Low Power Drives

Inventors Woodcock Jr, Walter J; Hansen, Arne Fink; Yahnker, Christopher R; Murphy, Kevin; Morando, Alberto; Harvest, Nils Ole; Robol, Ronald B; Stiles, Robert W; Kjaer, Gert; Lungeanu, Florin; Rasmussen, Peter Westermann; Steen, Donald; Berthelsen, Lars Hoffman; Runarsson, Einar Kjartan; Hruby, Daniel J; Cox, Everett

Agent Peter Maxwell & Associates

Pub. Number AU-B-2005239668

Filing date 30 November 2005

Wipo publication date 14 June 2007

Acceptance publication date 5 April 2012

International Classifications

F04D 15/00 (2006.01) Control, e.g. regulation, of pumps, pumping installations, or systems

F04B 17/03 (2006.01) Pumps characterised by combination with, or adaptation to, specific driving engines or motors - driven by electric motors

F04B 49/08 (2006.01) Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups - Regulating by delivery pressure

F04D 13/06 (2006.01) Pumping installations or systems - the pump being electrically driven

Event Publications

15 December 2005 Complete Application Filed

14 June 2007 Application Open to Public Inspection

  Published as AU-B-2005239668

5 April 2012 Application Accepted

  Published as AU-B-2005239668

2 August 2012 Standard Patent Sealed

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