09556874 is referenced by 1 patents and cites 996 patents.

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 mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two-wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.

Title
Method of controlling a pump and motor
Application Number
12/481435
Publication Number
9556874 (B2)
Application Date
June 9, 2009
Publication Date
January 31, 2017
Inventor
Martin Skov Holm
Egernsund
DK
Rasmus Fink
Soenderborg
DK
Lars Hoffmann Berthelsen
Kolding
DK
Gary Thomas Baase II
Kenosha
WI, US
Micheal Robert Pasche
Sharon
WI, US
William James Genaw
New Berlin
WI, US
Melissa Drechsel Kidd
Muskego
WI, US
Agent
Quarles & Brady
Assignee
Danfoss Drives
DK
Pentair Flow Technologies
WI, US
IPC
F04D 13/08
F04D 15/02
F04B 49/06
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