Oil filter and filter blockage alarming system

Details Oil filter and filter blockage alarming system Oil filter and filter blockage alarming system

1995-08-22

1997-10-07

Drodge, Joseph W.

Liquid purification or separation

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

123196A, 210 90, 210168, B01D 35143

Patent

active

056743807

ABSTRACT:
A lubricating oil filter and filter blockage alarm system for internal combustion engines. At least one filter element is disposed within a housing. A condition representing a degree of blockage of the filter element is sensed and, if a blockage threshold is exceeded, an alarm is triggered. There is provided an electrical connection between the sensor and the alarm system. The connection is a pair of series-connected platinum conductors that are insulated from contact with the oil being filtered, thereby assuring the triggering of the alarm.

REFERENCES:
patent: 2879892 (1959-03-01), Frakes
patent: 3045826 (1962-07-01), Howard et al.
patent: 4626344 (1986-12-01), Fick et al.
patent: 4885082 (1989-12-01), Cantoni

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