US 12,308,713 B2
Motor attaching structure and motor attaching method
Yuki Nakada, Sano (JP); Hiroki Matsushita, Sano (JP); Yasuhiro Tobinai, Sano (JP); and Takatoshi Inoguchi, Sano (JP)
Assigned to NIDEC COPAL ELECTRONICS CORPORATION, Tokyo (JP)
Filed by NIDEC COPAL ELECTRONICS CORPORATION, Tokyo (JP)
Filed on Jan. 31, 2023, as Appl. No. 18/161,950.
Application 18/161,950 is a continuation of application No. PCT/JP2021/028326, filed on Jul. 30, 2021.
Claims priority of application No. 2020-157551 (JP), filed on Sep. 18, 2020.
Prior Publication US 2023/0170775 A1, Jun. 1, 2023
Int. Cl. H02K 15/14 (2025.01); H02K 5/20 (2006.01)
CPC H02K 15/14 (2013.01) [H02K 5/20 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A motor attaching method comprising:
preparing, a case, a first holder to which a shaft holding a rotor of a motor rotatable thereon is fixed, and an annular second holder including a holding portion configured to hold a stator of the motor, and an absorbing portion located between the holding portion and a peripheral portion thereof and possessing a thickness less than the peripheral portion;
arranging the second holder between the case and the first holder and arranging the shaft at a central part of the second holder;
inserting a first portion of a jig between the shaft and the stator and inserting a second portion of the jig between the shaft and the case; and
fixing, at a circumferential part of the first holder, the case, the first holder, and the second holder to each other with fixing members.