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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
Japanese Patent JP2020162367
Kind Code:
A
Abstract:
To provide a motor having a structure capable of suppressing an adhesion of a foreign matter to a sensor magnet.SOLUTION: A motor comprises: a rotor 20 that can be rotated around a center axis J; a stator 30 that is positioned at a radial direction outer side of the rotor 20; a housing that houses the rotor 20 inside and holds the stator 30; bearings 51 and 52 that rotatably support the rotor 20; and a bearing holder 240 that is fixed to the housing, and holds the bearings 51 and 52. The rotor 20 includes: a rotor main body 20a having a rotor core 22 and a rotor magnet 23; and a sensor magnet 25. The bearing holder 240 is positioned at one side of an axial direction of the rotor main body 20a. At least a part of the sensor magnet 25 is positioned between the rotor main body 20a and the bearing holder 240 in the axial direction.SELECTED DRAWING: Figure 10

Inventors:
UCHISE HIDEAKI
AONO MASATO
MIZUKAMI SHINSUKE
Application Number:
JP2019061694A
Publication Date:
October 01, 2020
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
NIHON DENSAN KK
International Classes:
H02K11/215; H02K5/10; H02K29/08
Attorney, Agent or Firm:
Shu Oikawa
Yuki Narita
Matsumoto
Satoshi Koto