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Friction element load sensing in an automatic transmission

  • US 8,683,876 B2
  • Filed: 12/28/2012
  • Issued: 04/01/2014
  • Est. Priority Date: 04/09/2009
  • Status: Active Grant
First Claim
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1. A method of measuring torque in an automatic transmission including a friction element with a sensor mounted therein, said method comprising:

  • measuring a portion of torque transmitted through the friction element with the sensor; and

    sending a signal representative of the torque to a controller for use in controlling a ratio shift change in the transmission.

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