Patent ID: 11859709
Assignee: HYUNDAI MOTOR COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 8:
9. A vehicle comprising:
a vehicle body having a lower portion and an upper portion, the lower portion beneath the upper portion in a direction of gravity; and
a motor driven power steering device coupled to the vehicle body, the motor driven power steering device comprising:
a motor; and
a speed reducer configured to decelerate a rotation speed of the motor, wherein the speed reducer comprises:
a worm gear coupled to a drive shaft of the motor and rotatably installed to a speed reducer housing through a bearing, wherein the worm gear is oriented in the direction of gravity;
a worm wheel gear-coupled with the worm gear, the worm wheel being oriented in the direction of gravity; and
a rotation member mounted between the worm gear and the bearing and configured to circulate a lubrication agent applied between the worm gear and the worm wheel, the rotation member comprising a rotation body mounted on a shaft of the worm gear and at least one blade formed on the rotation body.