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System and method for determining a performance characteristic of a vehicle component based upon temperature, load, road grade and time

  • US 6,230,554 B1
  • Filed: 01/06/1999
  • Issued: 05/15/2001
  • Est. Priority Date: 01/06/1999
  • Status: Expired due to Fees
First Claim
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1. A system for monitoring the performance of a selected vehicle component taking into account a plurality of variables, comprising:

  • a first sensor supported on the vehicle that detects a temperature of the selected vehicle component;

    a second sensor supported on the vehicle that detects a load supported by the vehicle;

    a third sensor that detects a grade of a road surface along which the vehicle is travelling; and

    an electronic controller that communicates with each of the first, second and third sensors and determines a performance characteristic of the selected vehicle component based upon the detected temperature, load, and road surface grade and determines a rate of change of the characteristic relative to time and provides an output indicative of the rate of change.

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