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Electric fuel pump condition monitor system using electrical signature analysis

United States Patent

September 13, 2005
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A pump diagnostic system and method comprising current sensing probes clamped on electrical motor leads of a pump for sensing only current signals on incoming motor power, a signal processor having a means for buffering and anti-aliasing current signals into a pump motor current signal, and a computer having a means for analyzing, displaying, and reporting motor current signatures from the motor current signal to determine pump health using integrated motor and pump diagnostic parameters.
Haynes; Howard D. (Knoxville, TN), Cox; Daryl F. (Knoxville, TN), Welch; Donald E. (Oak Ridge, TN)
UT-Battelle, LLC (Oak Ridge, TN)
10/ 437,630
May 13, 2003
STATEMENT REGARDING FEDERAL SPONSORSHIP This invention was made with Government support under contract no. DE-AC05-00OR22725 to UT-Battelle, LLC, awarded by the United States Department of Energy. The Government has certain rights in the invention.