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Method and apparatus for pump protection without the use of traditional sensors

  • US 20070212229A1
  • Filed: 11/17/2006
  • Published: 09/13/2007
  • Est. Priority Date: 03/08/2006
  • Status: Active Grant
First Claim
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1. A method for controlling the operation of a centrifugal pump, centrifugal mixer, centrifugal blower or centrifugal compressor comprising:

  • comparing an actual flow value and a corrected threshold flow value that is corrected based on the speed of the pump in order to determine the pump operating condition.

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