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Method and apparatus for assessing the rationality of a transmission fluid temperature measure

  • US 7,147,366 B2
  • Filed: 09/14/2004
  • Issued: 12/12/2006
  • Est. Priority Date: 09/14/2004
  • Status: Expired due to Fees
First Claim
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1. A method of assessing rationality of a measured temperature of fluid in a transmission, where the transmission is coupled to an engine, comprising the steps of:

  • obtaining a temperature of the engine;

    assessing that said measured temperature is rational if said measured temperature is within a calibrated value of the temperature of the engine for at least a predetermined time interval; and

    assessing that said measured temperature is skewed high if said measured temperature exceeds the temperature of the engine by at least said calibrated value for at least a predetermined time interval.

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