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Method and apparatus for controlling a torque converter clutch

  • US 20080076635A1
  • Filed: 09/27/2006
  • Published: 03/27/2008
  • Est. Priority Date: 09/27/2006
  • Status: Active Grant
First Claim
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1. Method for controlling torque transmitted between an internal combustion engine and a torque transmission device, comprising:

  • controlling actuation of a torque converter clutch device effective to maintain an engine output within a predetermined range when an input to the transmission is less than a threshold; and

    ,controlling actuation of the torque converter clutch device effective to maintain a relative speed across the torque converter substantially at a predetermined magnitude when the input to the transmission is greater than the threshold.

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