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HYBRID POWERTRAIN WITH AN ENGINE INPUT CLUTCH AND METHOD OF CONTROL

  • US 20110024210A1
  • Filed: 10/13/2010
  • Published: 02/03/2011
  • Est. Priority Date: 05/11/2007
  • Status: Active Grant
First Claim
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1. A hybrid vehicle powertrain comprising:

  • an engine;

    a transmission having;

    an input member operatively connectable to said engine;

    an output member for delivering power from said transmission for vehicle propulsion;

    a motor operatively connectable to said input member and to said output member and capable of supplying torque to said output member for vehicle propulsion;

    an energy storage device capable of supplying power to and receiving power from said motor;

    a first input clutch that selectively transmits torque by mechanical friction and is selectively engageable to connect said engine with said input member;

    a second input clutch that is selectively engageable to connect said engine with said input member;

    wherein selective engagement of said first input clutch permits said motor to power said engine to start said engine; and

    wherein selective engagement of said second input clutch permits said engine to power said transmission for propulsion.

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