Patent ID: 8651216
Filing Date: 2014-02-18
Classification: B60K,B62D

Abstract:
1. A motor mount structure for an electric vehicle in which a sub-frame is placed, the sub-frame comprising a pair of a left side frame and a right side frame extending in a vehicle fore-and-aft direction below a front floor and a rear floor connected to the front floor via a vertical wall portion, and a pair of a front cross frame and a rear cross frame connecting between the side frames, and a power train in which a transmission comprising a differential device is connected to a side of a motor in a vehicle width direction is supported on the sub-frame by a mount device, wherein the front cross frame is connected to a front cross member provided in a connecting portion between the front floor and the vertical wall portion, wherein the rear cross frame is secured to a rear cross member along a lower surface of the rear floor and extending in the vehicle width direction above the differential device, wherein opposite sides of the power train in the vehicle width direction are supported on the side frames by a side mount device placed so that positions in the vehicle fore-and-aft direction and a vehicle vertical direction are close to a horizontal line passing through the center of gravity of the power train and extending in the vehicle width direction, wherein a front mount device that regulates rolling of the power train is placed on a front portion of the power train, and wherein the front mount device is mounted to a central portion of the front cross frame in the vehicle width direction.