Capacitive sensor assembly with soot build-up inhibiting coating

Details Capacitive sensor assembly with soot build-up inhibiting coating Capacitive sensor assembly with soot build-up inhibiting coating

1998-04-16

1999-05-25

Wu, Daniel J.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340439, 340440, 340618, 340689, 3406935, 340459, 73 5305, 73304C, 33366, 123196M, 123196S, 324663, 324698, B60Q 100

Patent

active

059072784

ABSTRACT:
A sensor assembly for measuring characteristics of motor oil in a vehicle includes a housing adapted to be mechanically coupled to a vehicle for receiving motor oil of the vehicle and at least one capacitive sensor including sensing electrodes positioned relative to the housing to measure characteristics of motor oil between the sensing electrodes. The sensing electrodes are coated with a soot build-up inhibiting coating which, in a preferred embodiment, is a silicone coating. The at least one capacitive sensor include an oil level sensor and an oil deterioration sensor in a preferred embodiment.

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