Title:
MOTOR
Document Type and Number:
Japanese Patent JP2023040667
Kind Code:
A
Abstract:
To further reduce the weight of a motor.SOLUTION: A motor 100 comprises a stator 2, a rotor 1, and a magnetic sensor 5. An annular stator core 21 of the stator surrounds a central axis extending in an axial direction. The rotor is rotatable centered on the central axis. The rotor has a first magnet 16, a second magnet 17, and a spacer 18. The first magnet is arranged on the outside in a radial direction of the stator core. The second magnet is arranged on one side in the axial direction with respect to the first magnet and the stator core. The spacer is arranged between the first magnet and the second magnet in the axial direction. The magnetic sensor detects a magnetic force of the second magnet. The spacer is a non-magnetic substance.SELECTED DRAWING: Figure 1
Inventors:
HACHIMAN ATSUSHI
UTSUNOMIYA YASUHIRO
UTSUNOMIYA YASUHIRO
Application Number:
JP2021147779A
Publication Date:
March 23, 2023
Filing Date:
September 10, 2021
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
H02K29/08; H02K11/215
Attorney, Agent or Firm:
Patent Attorney Corporation Sano Patent Office
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