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Method to infer engine coolant temperature in cylinder head temperature sensor equipped vehicles

  • US 6,026,679 A
  • Filed: 03/10/1998
  • Issued: 02/22/2000
  • Est. Priority Date: 03/10/1998
  • Status: Expired
First Claim
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1. A method of inferring engine coolant temperature in cylinder head temperature sensor equipped vehicles comprising 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.

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