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Hybrid drive apparatus

  • US 20060081406A1
  • Filed: 09/19/2005
  • Published: 04/20/2006
  • Est. Priority Date: 10/14/2004
  • Status: Active Grant
First Claim
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1. A hybrid drive apparatus, comprising:

  • an input shaft for inputting motive power from an internal combustion engine;

    an output shaft that is disposed in alignment with the input shaft on an axis and that operates in association with a driving wheel;

    a first electric motor that is disposed on the axis, the first electric motor having a stator and a rotor;

    a motive power distributing planetary gear, that is disposed on the axis, having a first rotating element connected to the input shaft, a second rotating element connected to the rotor of the first electric motor, and a third rotating element connected to the output shaft;

    a second electric motor, that is disposed on the axis, having a stator and a rotor; and

    a transmission, that is disposed on the axis, that speed-shifts rotation of the rotor of the second electric motor and then transfers rotation to the output shaft, wherein the first electric motor, the motive power distributing planetary gear, the second electric motor, and the transmission are housed in a case member, and are aligned and thus disposed on the axis with the motive power distributing planetary gear being at a foremost end side, and the stators of the first electric motor and the second electric motor are secured to the case member, and the output shaft is divided into a first output shaft and a second output shaft joined so as to rotate together, and the third rotating element of the motive power distributing planetary gear is coupled to the first output shaft, and the transmission is coupled to the second output shaft.

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