Method and apparatus for determining pump wear

Details Method and apparatus for determining pump wear Method and apparatus for determining pump wear

1994-03-31

1996-10-08

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 134

Patent

active

055633510

ABSTRACT:
An apparatus is provided for detecting wear in a pump. The apparatus includes a case drain connected to the pump case, a flow sensor for producing signals indicative of case drain flow, a processor for determining whether pump wear has exceeded a predetermined level and for indicating a fault in response to the pump wear exceeding the predetermined level.

REFERENCES:
patent: 3927563 (1975-12-01), Konomi
patent: 4515022 (1985-05-01), Brand
patent: 4821580 (1989-04-01), Jorritsma
patent: 4918426 (1990-04-01), Butts et al.
patent: 4945491 (1990-07-01), Rishel

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