Method to infer engine coolant temperature in cylinder head...

Details Method to infer engine coolant temperature in cylinder head... Method to infer engine coolant temperature in cylinder head...

2008-04-29

2008-04-29

McCall, Eric S. (Department: 2855)

Measuring and testing

Vehicle chassis

Steering

C073S116070, C374S145000, C340S449000, C123S041150

Reissue Patent

active

09835926

ABSTRACT:
The present invention provides a method of inferring the engine coolant temperature in cylinder head temperature sensor equipped vehicles including the steps of measuring the cylinder head temperature, calculating the engine coolant temperature from the measured cylinder head temperature as a function of at least one vehicle operational state, generating a signal for the calculated engine coolant temperature, and sending the generated signal to a display.

REFERENCES:
patent: 4393365 (1983-07-01), Kondo et al.
patent: 4984454 (1991-01-01), Feller et al.
patent: 5020007 (1991-05-01), Wu et al.
patent: 5201840 (1993-04-01), Sausner et al.
patent: 5669337 (1997-09-01), Drouillard
patent: 5931140 (1999-08-01), Maloney

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