Oil degradation warning system

Details Oil degradation warning system Oil degradation warning system

1986-02-11

1987-11-10

Chin, Gary

Boots, shoes, and leggings

123196S, 340 52F, G06F 1520, F01M 1110

Patent

active

047061936

ABSTRACT:
Disclosed herein is an oil degradation warning system of a motor vehicle, which can issue a warning at the time when the oil change is really needed. The system comprises first means for detecting respective values of degradation factors of oil, the degradation factors being closely related to the operation history of the motor vehicle, second means for adding the values by using a predetermined calculation formula and integrating the added result with passage of time, third means for issuing a warning signal when the integrated result exceeds a predetermined limit, and fourth means which, when oil replenishment is carried out, postpones the issue of the warning signal in accordance with the amount of the replenished oil.

REFERENCES:
patent: 4306525 (1981-12-01), Faxvog
patent: 4506337 (1985-03-01), Yasuhara
patent: 4525782 (1985-06-01), Wohlfarth et al.

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