Wheel end condition detection
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United States of America Patent
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Nov 26, 2013
Grant Date -
Feb 7, 2013
app pub date -
Jul 30, 2012
filing date -
Aug 4, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An enhanced wheel data processing unit may analyze tire air temperature data from a tire pressure monitoring system (TPMS) and antilock brake system (ABS) wheel speed sensor fault codes from an ABS controller within a vehicle. When the enhanced wheel data processing unit determines that the tire air temperature is above a predetermined threshold for a given tire and that an ABS wheel speed sensor fault code exists for the wheel end corresponding to the same tire, the enhanced wheel data processing unit may initiate a vehicle shutdown or derate procedure. The vehicle shutdown or derate procedure may include instructions to give an operator of the vehicle a warning indicator for a predetermined time period before shutting down or derating the engine power to the vehicle.
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