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TORQUE TRANSFER CASE FOR A HYBRID ELECTRIC VEHICLE

  • US 20070034427A1
  • Filed: 08/15/2005
  • Published: 02/15/2007
  • Est. Priority Date: 08/15/2005
  • Status: Active Grant
First Claim
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1. A hybrid electric vehicle powertrain for an automotive vehicle comprising an engine, a front traction wheel and axle assembly, a rear traction wheel and axle assembly, a power transmission mechanism driveably connected to the engine and a torque transfer case with a transfer case torque input shaft connected to a transmission mechanism torque output shaft, the powertrain comprising:

  • an electric motor;

    a first transfer case torque output shaft connected driveably to a first traction wheel and axle assembly;

    a second transfer case torque output shaft connected driveably to a second traction wheel and axle assembly;

    the electric motor and the first transfer case torque output shaft being assembled on a common first axis;

    a torque multiplier gearset;

    a torque input element of the torque multiplier gearset being connected driveably to the motor;

    the second transfer case torque output shaft being disposed on a second axis that is offset from the first axis; and

    a torque cross-drive mechanism driveably connecting a torque output element of the torque multiplier gearset to the second transfer case torque output shaft.

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