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Drivetrain with hybrid transfer case

  • US 20030148843A1
  • Filed: 01/22/2003
  • Published: 08/07/2003
  • Est. Priority Date: 10/19/2001
  • Status: Active Grant
First Claim
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1. A transfer case for use in a motor vehicle having an engine and first and second drivelines, comprising:

  • an input shaft adapted to be driven by the engine;

    a mainshaft;

    an input clutch for selectively coupling said input shaft to said mainshaft;

    a first output shaft adapted for connection to the first driveline;

    a second output shaft adapted for connection to the second driveline;

    a planetary gearset having a sun gear driven by said mainshaft, a ring gear, and planet gears rotatably supported from a carrier and which are meshed with said sun gear and said ring gear, said carrier operably connected to said first output shaft and a transfer assembly;

    a direct clutch for selectively coupling said mainshaft to said carrier;

    a low brake for selectively braking rotation of said ring gear;

    a transfer clutch for transferring drive torque from said transfer assembly to said second output shaft; and

    an electric motor for selectively driving said mainshaft

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