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Method for accelerating the decoupling of a starting clutch, which releasable connects an electric machine to a transmission input, in a hybrid drive train of a vehicle

  • US 8,465,393 B2
  • Filed: 11/18/2011
  • Issued: 06/18/2013
  • Est. Priority Date: 11/24/2010
  • Status: Active Grant
First Claim
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1. A method of accelerating decoupling of a starting clutch (5) that releasably connects an electric machine (2) to a transmission input in a hybrid drive-train of a motor vehicle, the method comprising the steps of:

  • regulating the electric machine (2), when a decoupling command is issued, at the same time as regulation of the starting clutch begins for the purpose of decoupling the starting clutch (5) or a specified time after the regulation of the starting clutch begins, in such a manner that a torque is built up, whereby a transition to sliding friction, and thus the decoupling, are sped up while still maintaining a nominal driving torque.

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