Patent ID: 8397844
Filing Date: 2013-03-19
Classification: B60K,B60L,B62D,Y02T

Abstract:
1. A vehicle comprising: a frame configured to support a vehicle, the frame having a longitudinal axis and a lateral axis, the lateral axis intersecting the longitudinal axis at a point; a modular power pack removably coupled with the frame and configured to provide a driving force to the vehicle; first and second wheels attached to the modular power pack along the lateral axis, third and fourth wheels attached to the frame along the longitudinal axis; the first, second, third, and fourth wheels arranged in a diamond shape; and a control computer configured to coordinate steering of the third and fourth wheel in response to a current speed of the vehicle such that at a speed lower than a preselected speed the third and fourth wheel turn in opposite directions and at a speed greater than the preselected speed the third and fourth wheel turn in the same direction.