Oil filter apparatus

Details Oil filter apparatus Oil filter apparatus

1979-09-21

1981-01-20

Adee, John

Liquid purification or separation

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

Fluid pressure responsive

210130, 210136, B01D 2710

Patent

active

042461090

ABSTRACT:
An electronic oil filter apparatus in which an electrically conductive probe is mounted within an oil filter canister and is responsive to pressure build up on a bypass valve within the oil filter. The pressure build up is caused by clogging of the filter which eventually results in opening the bypass valve allowing dirty oil to flow around the filter. When the valve is actuated in response to excess pressure build up, a low voltage switching device allows current to flow to a signal means thereby indicating a need to change the filter.

REFERENCES:
patent: 3070232 (1962-12-01), Casaleggi
patent: 3644915 (1972-02-01), McBurnett
patent: 3790931 (1974-02-01), Leveraus

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