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Patent Searching and Data


Title:
MOTOR, MOTOR UNIT, AND MOTOR MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2020174483
Kind Code:
A
Abstract:
To provide a motor, a motor unit, and a motor manufacturing method which can suppress the waviness of an electrical steel sheet of a stator core.SOLUTION: A motor includes a motor body having a rotor and a stator 32, and a housing 6 that houses the motor body. The stator includes a stator core 32a made of a plurality of electromagnetic steel plates laminated in the axial direction, and a coil 32b mounted on the stator core. The stator core is provided with a plurality of through holes 32e that penetrate in the axial direction and into which a fixing bolt 69 is inserted. The housing includes a tubular portion 61 that extends in the axial direction and surrounds the motor body from the outside in the radial direction, and a bottom portion 62 that covers an opening on one axial side of the tubular portion. The bottom portion is provided with a screw hole 65b into which the fixing bolt is inserted. A plurality of convex portions 68 projecting on one side in the axial direction and lining up around the central axis are provided on the surface 62b of the bottom portion facing one side in the axial direction. The convex portion has a flat surface 68a facing one side in the axial direction.SELECTED DRAWING: Figure 5

Inventors:
ISHIKAWA YUKI
Application Number:
JP2019075877A
Publication Date:
October 22, 2020
Filing Date:
April 11, 2019
Export Citation:
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Assignee:
NIHON DENSAN KK
International Classes:
H02K1/18; H02K5/06; H02K7/116; H02K15/02; H02K15/14
Attorney, Agent or Firm:
Shu Oikawa
Yuki Narita
Matsumoto
Satoshi Koto