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Battery operated tracked vehicle

  • US 5,363,937 A
  • Filed: 10/19/1992
  • Issued: 11/15/1994
  • Est. Priority Date: 10/19/1992
  • Status: Expired due to Fees
First Claim
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1. An electrically powered drive system for an off road vehicle having a pair of endless tracks each driven by an associated sprocket to propel the vehicle over snow, said drive system comprising:

  • a single pair of electronically commutated, brushless, permanent magnet, alternating current traction motors, each motor associated with one of the tracks;

    a source of direct current electrical voltage carried by the vehicle;

    a current controller including electronic switching means converting direct current into alternating current, and means for controlling the alternating current voltage output for application to the motors;

    electrical circuit means connecting the direct current electrical voltage source, the current controller and the traction motors, said circuit means including control switching means independently controlling current to each of said motors; and

    a single pair of power trains each power trainer connecting one of the motors to the sprocket of its associated endless track.

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