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Control device for vehicular drive system

  • US 20080197791A1
  • Filed: 02/04/2008
  • Published: 08/21/2008
  • Est. Priority Date: 02/09/2007
  • Status: Abandoned Application
First Claim
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1. A control device for a vehicular drive system,the vehicular drive system includes an electrically controlled differential portion including a differential mechanism having a first element connected to an engine in a drive-power transmissive state, a second element connected to a first electric motor, and a third element connected to both a power transmitting member and a second electric motor, and distributing an output of the engine to the first electric motor and the power transmitting member;

  • andthe control device limits a rotation speed of the engine in a way not to exceed a predetermined engine upper limit rotation speed, and alters the engine upper limit rotation speed depending on a rotation speed of the second electric motor.

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