×

Thermally enhanced hub motor

DC
  • US 9,598,141 B1
  • Filed: 03/07/2016
  • Issued: 03/21/2017
  • Est. Priority Date: 03/07/2016
  • Status: Active Grant
First Claim
Patent Images

1. An electric vehicle comprising:

  • a board including a frame supporting first and second deck portions, each deck portion configured to receive a left or right foot of a rider oriented generally perpendicular to a direction of travel of the board;

    a wheel assembly including a rotatable ground-contacting element disposed between and extending above the first and second deck portions;

    a hub motor configured to rotate the ground-contacting element to propel the electric vehicle, the hub motor including;

    a rotor;

    a stator disposed within the rotor;

    a motor casing housing the rotor and the stator;

    an axle formed as a single piece and including a shaft portion and a mandrel portion having a larger diameter than the shaft portion, the mandrel portion in direct contact with the stator and the shaft portion extending from the stator through the motor casing, the shaft portion of the axle being coupled to the frame of the board;

    wherein the axle comprises aluminum.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×