Oil level sensor for an internal combustion engine

Details Oil level sensor for an internal combustion engine Oil level sensor for an internal combustion engine

1990-05-04

1991-10-15

Yasich, Daniel M.

Communications: electrical

Land vehicle alarms or indicators

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

73304R, 340620, G01F 2322

Patent

active

050578138

ABSTRACT:
An oil level sensor has a cylindrical hollow sensor body and an elongated inner electrode provided in the sensor body at a distance from the inner wall of the sensor body. The sensor body is made of conductive resin including carbon particles.
The sensor body is electrically connected to the elongated inner electrode and to a control unit for indicating a shortage of the fluid. The control unit is a shielded wire comprising a lead wire connected with the elongated inner electrode and a wire shield connected with the cylindrical hollow sensor body. The elongated inner electrode has a flange at a base portion thereof so as to be firmly secured in the inner electrode guide and an insulator sleeve plugged into the cylindrical hollow sensor body, whereby the flange is held between the inner electrode guide and the insulator sleeve.

REFERENCES:
patent: 3910118 (1975-10-01), Schittek et al.
patent: 4322713 (1982-03-01), Duck et al.
patent: 4506258 (1985-03-01), Charboneau et al.
patent: 4638291 (1987-01-01), Puscasu
patent: 4654646 (1987-03-01), Charboneau
patent: 4849739 (1989-07-01), Loiacono
patent: 4949069 (1990-08-01), Wilson

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