US 12,237,749 B2
Motor unit
Takashi Hattori, Kyoto (JP); Toshiya Okamoto, Kyoto (JP); and Daiki Kato, Kyoto (JP)
Assigned to NIDEC CORPORATION, Kyoto (JP)
Filed by Nidec Corporation, Kyoto (JP)
Filed on Dec. 20, 2022, as Appl. No. 18/084,651.
Claims priority of application No. 2021-214279 (JP), filed on Dec. 28, 2021.
Prior Publication US 2023/0208247 A1, Jun. 29, 2023
Int. Cl. H02K 5/22 (2006.01); H02K 11/33 (2016.01)
CPC H02K 5/225 (2013.01) [H02K 11/33 (2016.01)] 6 Claims
OG exemplary drawing
 
1. A motor assembly comprising:
a motor including a rotor rotatable about a central axis and a stator radially opposing the rotor;
a controller on one side in an axial direction of the motor to control the motor; and
a motor cover between the motor and the controller in the axial direction and covering the motor from the one side in the axial direction; wherein
the controller includes a screw;
the screw includes:
a head portion located on the one side in the axial direction of the motor cover; and
a screw portion extending from the head portion to the one side in the axial direction;
the motor cover opposes the head portion in the axial direction;
a length of the screw in the axial direction is longer than a distance between the controller and the motor cover in the axial direction;
the motor includes a pin extending to the one side in the axial direction;
the motor cover includes a hole portion into which the pin is inserted; and
the screw is at a position shifted from the hole portion as viewed in the axial direction.