Method and apparatus for indicating pump efficiency

Details Method and apparatus for indicating pump efficiency Method and apparatus for indicating pump efficiency

1994-03-31

1997-05-13

Cuchlinski, Jr., William A.

Measuring and testing

Blower, pump, and hydraulic equipment

36455101, G01L 326, G01M 1900

Patent

active

056282290

ABSTRACT:
An apparatus for indicating efficiency losses in a pump is provided. The apparatus includes a temperature sensor located at the pump input, a second temperature sensor located at a second location, a fluid flow sensor located at the second location, a processor for producing a difference signal in response to signals from the first and second temperature sensors and for quantifying efficiency losses of the pump in response to the difference signal and a signal from the fluid flow sensor. A fault indicator is also provided that is responsive to the efficiency losses.

REFERENCES:
patent: 3350934 (1967-11-01), Orkney, Jr. et al.
patent: 3921435 (1975-11-01), Howard
patent: 4781064 (1988-11-01), Yates
patent: 5050092 (1991-09-01), Perry
patent: 5388965 (1995-02-01), Fehn
Robert L. Remillard, Sound and Vibration Sep. 1985 pp. 20-24 "Data Management System for Predictive Maintenance Programs".

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