Patent ID: 8479868
Filing Date: 2013-07-09
Classification: B60K,B62D

Abstract:
1. A motor mounting structure for an electric vehicle, comprising: a front floor and a rear floor connected to the front floor with a vertical wall portion therebetween; a subframe being disposed below the rear floor, and including a pair of a left side frame portion and a right side frame portion which extend in a vehicle longitudinal direction, and a pair of a front cross frame portion and a rear cross frame portion which connect the two side frame portions to each other; and a powertrain being supported on the subframe by a mounting unit, and including a motor and a transmission which has a differential and is connected to a side portion, in a vehicle width direction, of the motor; wherein the front cross frame portion is connected to a front cross member provided at a connecting portion between the front floor and the vertical wall portion; wherein the rear cross frame portion is fixed to a rear cross member extending along a lower surface side of the rear floor in the vehicle width direction above the differential; wherein both side portions, in the vehicle width direction, of the powertrain are respectively supported on the left side frame portion and the right side frame portion by a left side mount and a right side mount which are arranged in such a manner in which positions, in the vehicle longitudinal direction and a vehicle vertical direction, of the left and right side mounts are close to a horizontal line passing through a center of gravity of the powertrain and extending in the vehicle width direction; wherein a front mount and a rear mount for restricting a rolling movement of the powertrain are respectively disposed in front and rear of the powertrain; wherein the front mount is attached to a central portion, in the vehicle width direction, of the front cross frame portion; and wherein the rear mount is attached to another cross member disposed behind the subframe.