Device for detecting the clogging of strainer filter

Details Device for detecting the clogging of strainer filter Device for detecting the clogging of strainer filter

1975-06-25

1976-11-16

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Fluid pressure responsive

116117R, 137557, 210 94, B01D 3514

Patent

active

039922960

ABSTRACT:
A hemispherical, transparent cover is provided in which a bellows having substantially the same hemispherical configuration is provided. A liquid having a different color than that of the bellows is filled between said transparent cover and the bellows whereby a difference in color may be perceptible from the outside of the transparent cover, depending on the pressure differential between the inlet side and outlet side of a strainer caused by clogging of its filter.

REFERENCES:
patent: 2638581 (1953-05-01), Marvel
patent: 2661847 (1953-12-01), Buettner
patent: 3011470 (1961-12-01), Stoermer
patent: 3780693 (1973-12-01), Parr

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