Adaptive oil pressure fault detection

Details Adaptive oil pressure fault detection Adaptive oil pressure fault detection

2007-02-06

2010-02-23

McCall, Eric S (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Lubrication system

Reexamination Certificate

active

07665352

ABSTRACT:
A method of monitoring pressure of oil that is implemented within an internal combustion engine includes determining an expected oil pressure value based on engine operating conditions and monitoring an actual oil pressure value based on a signal generated by an oil pressure sensor. A difference between the expected oil pressure value and the actual oil pressure value is calculated and is compared to a threshold difference. A diagnostic trouble code is generated when the difference exceeds the threshold difference.

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patent: 6778076 (2004-08-01), Shidara et al.
patent: 2003/0196479 (2003-10-01), Kasen et al.

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