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System and method for determining onset of failure modes in a positive displacement pump

  • US 20070140869A1
  • Filed: 12/20/2005
  • Published: 06/21/2007
  • Est. Priority Date: 12/20/2005
  • Status: Active Grant
First Claim
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1. A positive displacement pump, comprising:

  • a pump housing having a pump chamber;

    a plunger mounted in the pump housing for reciprocating motion in the pump chamber;

    a suction valve positioned to allow a fluid to enter the pump chamber upon movement of the plunger in a first direction;

    a discharge valve positioned to discharge the fluid from the pump chamber upon movement of the plunger in a second direction; and

    a sensor system positioned within the housing to track parameters used in determining occurrence of degradation of at least one of the suction valve and the discharge valve.

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