Method for detecting and mitigating excessive clutch disc wear in manual transmissions
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United States of America Patent
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Nov 20, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jul 13, 2016
filing date -
Jul 13, 2016
priority date (Note) -
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Abstract
A method for detecting and mitigating excessive clutch disc wear for a manual transmission includes determining if a clutch pedal position is depressed greater than or equal to a first predetermined pedal position threshold and if the vehicle speed is less than or equal to a predetermined vehicle speed threshold. The method further includes determining if the clutch pedal position is depressed greater than or equal to a second predetermined pedal position threshold when the clutch pedal position is depressed less than the first predetermined pedal position threshold. The method still further includes calculating a clutch disc heat flux value and a clutch disc surface temperature. The method further includes displaying an alert/warning and a remedial action message to a vehicle operator when the clutch disc surface temperature is greater than or equal to a predetermined surface temperature threshold.
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