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Negative driveline torque control incorporating transmission state selection for a hybrid vehicle

  • US 7,828,693 B2
  • Filed: 06/20/2007
  • Issued: 11/09/2010
  • Est. Priority Date: 06/20/2007
  • Status: Expired due to Fees
First Claim
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1. A hybrid propulsion system for a vehicle, comprising:

  • at least one drive wheel;

    a first motor coupled to the drive wheel, said first motor configured to selectively generate electrical energy from kinetic energy received at the drive wheel;

    a second motor configured to selectively generate electrical energy from kinetic energy received at the drive wheel;

    a transmission including a first end coupled to the first motor and a second end coupled to the second motor; and

    a control system configured to vary a level of electrical energy generated by the first motor relative to the second motor in response to a thermal condition of at least one of said first and second motors to provide vehicle braking.

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