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Method for optimizing valve position and pump speed in a PID control valve system without the use of external signals

  • US 20070212230A1
  • Filed: 02/09/2007
  • Published: 09/13/2007
  • Est. Priority Date: 03/08/2006
  • Status: Active Grant
First Claim
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1. A controller comprising:

  • one or more modules configured for determining flow reference data as a function of various pump and motor parameters such as speed, torque or power or from calibrated flow curves stored in an evaluation device, or from an external flow reference such as a flowmeter; and

    one or more modules configured for utilizing the flow reference data in order to control a centrifugal pump, centrifugal blower, centrifugal mixer or centrifugal compressor in a PID control valve system.

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