US 12,113,416 B2
Motor and electrical product
Yusaku Yoshida, Liaoning (CN); Yu Wang, Liaoning (CN); and Jun Gao, Liaoning (CN)
Assigned to NIDEC CORPORATION, Kyoto (JP)
Filed by NIDEC CORPORATION, Kyoto (JP)
Filed on Mar. 28, 2022, as Appl. No. 17/706,585.
Claims priority of application No. 202110346501.5 (CN), filed on Mar. 31, 2021.
Prior Publication US 2022/0320940 A1, Oct. 6, 2022
Int. Cl. H02K 3/50 (2006.01)
CPC H02K 3/50 (2013.01) [H02K 2203/09 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A motor, comprising:
a rotor that is arranged in a rotatable manner centered on a central axis;
a stator arranged on an outer circumference of the rotor and facing the rotor in a radial direction;
a bus bar holder arranged on one side of the rotor and the stator in an axial direction; and
a housing that is cylindrical and contains the rotor, the stator, and the bus bar holder inside,
wherein the bus bar holder has a protrusion on one side in the axial direction, and the protrusion is in contact with a bottom of the housing,
wherein a plurality of power supply terminals and a plurality of sleeves respectively covering the plurality of power supply terminals are further provided on one side of the bus bar holder in the axial direction, and the plurality of sleeves and the bus bar holder are integrally defined,
wherein the plurality of sleeves are step-shaped, and a height in the axial direction of a step of one of the plurality of sleeves is greater than a height in the axial direction of a step of another one of the plurality of sleeves.