Method to infer engine coolant temperature in cylinder head temperature sensor equipped vehicles
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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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.
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Citations
18 Claims
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1. A method of inferring engine coolant temperature in cylinder head temperature sensor equipped vehicles comprising the steps of:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of inferring engine coolant temperature in cylinder head temperature sensor equipped vehicles comprising the steps of:
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measuring the cylinder head temperature; calculating the engine coolant temperature from the measured cylinder head temperature as a function of engine revolutions per minute and cylinder air charge temperature; generating a signal for the calculated engine coolant temperature; and sending the generated signal to a display. - View Dependent Claims (10, 11, 12, 13)
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14. A system for inferring engine coolant temperature in cylinder head temperature sensor equipped vehicles comprising:
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a cylinder head temperature sensor; and a controller for calculating the engine coolant temperature from the measured cylinder head temperature as a function of engine revolutions per minute and cylinder air charge temperature, wherein the controller generates a signal for the calculated engine coolant temperature and sends the generated signal to a display. - View Dependent Claims (15, 16, 17, 18)
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Specification