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Transfer case clutch calibration method

  • US 7,306,545 B2
  • Filed: 06/28/2005
  • Issued: 12/11/2007
  • Est. Priority Date: 06/28/2005
  • Status: Active Grant
First Claim
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1. A method of enhancing transfer case performance in a motor vehicle comprising the steps of:

  • providing a transfer case having an input, a clutch and a secondary output,providing a motor for supplying torque to said input, a controller for controlling a drive signal to said clutch and means for sensing torque delivered to said secondary output,modulating said drive signal so as to move said transfer case clutch through a complete engagement cycle, wherein said engagement cycle commences and ends at a disengagement position or at a maximum engagement position,determining a drive signal versus torque function for said clutch,associating a drive signal versus torque function profile with said transfer case, andstoring said associated profile in machine readable format with said transfer case.

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