IN-WHEEL MOTOR DRIVE UNIT

摘要

An in-wheel motor drive unit (11) includes: a motor portion (11A) that is placed on one side in the direction of the axis of the in-wheel motor drive unit; a wheel hub portion (11C) that is placed on the other side in the direction of the axis of the in-wheel motor drive unit; a speed reduction portion (11B) that is placed between the motor portion and the wheel hub portion and that reduces the speed of output rotation of the motor portion to transmit the resultant output rotation to the wheel hub portion; and a first arm portion (34) that is formed integrally with a speed reduction portion casing (33) forming the outer shape of the speed reduction portion, that projects in a direction perpendicular to the axis from the speed reduction portion casing, and that has its tip end pivotally coupled to a vehicle body-side member.

主权项

1. An in-wheel motor drive unit, comprising:
a motor portion that is placed on one side in a direction of an axis of said in-wheel motor drive unit; a wheel hub portion that is placed on the other side in said direction of said axis of said in-wheel motor drive unit; a speed reduction portion that is placed between said motor portion and said wheel hub portion and that reduces a speed of output rotation of said motor portion to transmit the resultant output rotation to said wheel hub portion; and a first arm portion that is formed integrally with a speed reduction portion casing forming an outer shape of said speed reduction portion, that projects in a direction perpendicular to said axis from said speed reduction portion casing, and that has its tip end pivotally coupled to a vehicle body-side member.