Oil supply system in an internal combustion engine for a vehicle

Details Oil supply system in an internal combustion engine for a vehicle Oil supply system in an internal combustion engine for a vehicle

1990-06-05

1992-10-27

Ng, Jin F.

Communications: electrical

Land vehicle alarms or indicators

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

123196S, 1841031, 340624, B60Q 100

Patent

active

051593130

ABSTRACT:
An oil supply system for an internal combustion engine, having an oil supplementing pump and an oil level sensor arranged in an oil pan for initiating the operation of the oil supplementing pump. A temperature of the oil is detected every time the engine is stopped, and this value is stored. A drop in the temperature of the oil when the engine is started is detected from the stored value of the temperature obtained when the engine was stopped. When a drop of the engine temperature is larger than a predetermined value, an oil supplementing operation is carried out.

REFERENCES:
patent: 4117451 (1978-09-01), Sato et al.
patent: 4503419 (1985-03-01), Kidd et al.
patent: 4563988 (1986-01-01), Weishaupt
patent: 4724926 (1988-02-01), Collins
patent: 4989560 (1991-02-01), Rasdal et al.

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