Title:
MOTOR
Document Type and Number:
Japanese Patent JP2023121442
Kind Code:
A
Abstract:
To provide a motor with improved accuracy of rotor position estimation.SOLUTION: A rotor having a motor according to one embodiment has a rotor core 31 formed by a magnetic material, a plurality of magnets 33a-33j arranged on the rotor core 31 along the direction of rotation of the rotor, and a plurality of Hall elements arranged on a common mounting surface 41a and capable of detecting magnetic fields of the magnets 33a-33j. The facing surface 38 of the plurality of magnets 33a-33j facing the mounting surface 41a is at a non-uniform angle with respect to the mounting surface 41a.SELECTED DRAWING: Figure 6
Inventors:
KAWADA SHUSAKU
RENKI HIRONORI
RENKI HIRONORI
Application Number:
JP2022024795A
Publication Date:
August 31, 2023
Filing Date:
February 21, 2022
Export Citation:
Assignee:
NIDEC PREC CORP
International Classes:
H02K11/215; H02K21/16; H02K29/08
Attorney, Agent or Firm:
Patent Attorney Tsutsui International Patent Office