Electric wheel motor assembly

B - Operations – Transporting – 60 – K

Patent

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Details

B60K 7/00 (2006.01) B60K 6/52 (2007.10) B60G 3/00 (2006.01) B60K 6/00 (2007.10) B60K 17/04 (2006.01) H02K 7/08 (2006.01) H02K 7/116 (2006.01)

Patent

CA 2659973

An electric wheel motor assembly generally includes a planetary gear set having a sun gear, a ring gear and a planet carrier that rotateably supports a plurality of planet gears. A portion of a wheel spindle includes the ring gear that is maintained in a non rotating condition. A first wheel bearing and a second wheel bearing rotatably support the planet carrier on the wheel spindle. The first wheel bearing defines a first plane that extends radially therefrom and the second wheel bearing defines a second plane that extends radially therefrom. An electric motor has a stator and a rotor. A portion of the rotor includes the sun gear. The sun gear has a plurality of gear teeth that engages with the planet gears. The plurality of gear teeth on the sun gear is disposed between the first plane and the second plane.

L'invention concerne un ensemble moteur-roue électrique comprenant généralement un train planétaire constitué d'un planétaire, d'une couronne et d'un porte-satellites soutenant rotatifs une pluralité de satellites. Une partie d'un axe de roue comprend la couronne maintenue dans un état de non-rotation. Un premier et un deuxième roulement de roue soutiennent rotatif le porte-satellites sur l'axe de roue. Le premier roulement de roue définit un premier plan qui s'étend radial à partir du roulement et le deuxième roulement de roue définit un deuxième plan qui s'étend radial à partir du roulement. Un moteur électrique comprend un stator et un rotor. Une partie du rotor comporte le planétaire. Le planétaire comprend une pluralité de dentures qui viennent en contact avec les roues planétaires. La pluralité de dentures sur le planétaire est disposée entre le premier et le deuxième plan.

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