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Hybrid vehicle

  • US 5,865,263 A
  • Filed: 02/23/1996
  • Issued: 02/02/1999
  • Est. Priority Date: 02/28/1995
  • Status: Expired due to Term
First Claim
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1. A hybrid vehicle comprising:

  • an engine;

    a drive shaft connected with drive wheels;

    a generator/motor rotatable in a negative direction as a generator and in a positive direction as a motor;

    a driving motor;

    driving motor control means for controlling said driving motor;

    a differential gear device having a first element connected to said generator/motor, a second element connected to said engine, and a third element connected to said drive shaft;

    vehicle speed detection means for detecting vehicle speed; and

    vehicle control means for powering the vehicle by said drawing motor alone when the vehicle speed detected by said vehicle speed detection means is lower than a predetermined starting vehicle speed, and for starting said engine by changing the rotation of said generator/motor from the negative direction to the positive direction when the vehicle speed has exceeded the predetermined starting vehicle speed during the powering by said driving motor alone.

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