| 摘要 |
An in-wheel motor drive device is provided including a brake caliper which can be easily mounted in position and dismounted. The in-wheel motor drive device includes a hub (10) to which the wheel body (3B) of a vehicle wheel is mounted, an electric motor (11) arranged inside of the hub (10) in the width direction of the vehicle (4) so as to be coaxial with the hub (10), a motor housing (13) in which are received the electric motor (11), and the brake caliper (18), which is arranged to clamp a brake disk (15) through a pair of brake pads (16) disposed on both sides of the brake disk (15). The brake caliper (18) is fixed to the outer periphery of the motor housing (13) by driving bolts (32) radially inwardly, from radially outside, of the motor housing (13). |
