Liner deterioration warning for fluid movers

Details Liner deterioration warning for fluid movers Liner deterioration warning for fluid movers

1982-07-21

1985-08-13

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

73 86, 406 35, 415118, 415197, 417 63, G08B 2100, F01B 2526

Patent

active

045353263

ABSTRACT:
Method and apparatus for detecting deterioration of a replaceable liner in a pump transporting an electrically conductive fluid medium. A conductive component is isolated, during normal operation, from the conductive fluid medium by the electrically insulative liner. The conductive component is positioned at a predetermined location relative to the liner such that upon a selected degree of wear of the liner, an electrical circuit is completed upon contact of the fluid medium and the conductive member.

REFERENCES:
patent: 2166404 (1939-07-01), Hait
patent: 2981929 (1961-04-01), Rizzo et al.
patent: 3271737 (1966-09-01), Bezemek
patent: 3546691 (1970-12-01), Smith
patent: 3716832 (1973-02-01), Gorgie et al.
patent: 3914752 (1975-10-01), Howard et al.
patent: 4183012 (1980-01-01), Kimura
patent: 4234291 (1980-11-01), Hurst et al.
patent: 4328462 (1982-05-01), Jensen

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