Method to infer engine coolant temperature in cylinder head temp

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

1998-03-10

2000-02-22

Oen, William

Measuring and testing

Vehicle chassis

Steering

73116, 374145, 340449, 123 4115, G01L 326, G01K 108, B60Q 100, F01P 514

Patent

active

060266791

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), Sausnet et al.
patent: 5669337 (1997-09-01), Drouillard

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