×

System for detecting failure location in a pump

  • US 10,378,537 B2
  • Filed: 10/06/2016
  • Issued: 08/13/2019
  • Est. Priority Date: 10/06/2016
  • Status: Active Grant
First Claim
Patent Images

1. A method for detecting a leak in a pump, the method comprising:

  • monitoring discharge pressure time domain signals of the pump;

    monitoring piston position time domain signals for each piston of a plurality of pistons;

    filtering the monitored discharge pressure time domain signals and the monitored piston position time domain signals of each piston of the plurality of pistons via a band pass filter;

    determining, at each pump revolution for each piston of the plurality of pistons, a sum of a product between the filtered discharge pressure time domain signals and the filtered piston position time domain signals;

    determining, at each pump revolution for each piston of the plurality of pistons, an absolute value of each sum;

    determining, at each pump revolution, a largest absolute value of the determined absolute values;

    determining a corresponding piston of the plurality of pistons associated with the largest absolute value; and

    determining a cylinder of the pump associated with the determined corresponding piston as leaking.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×