Title:
MOTOR
Document Type and Number:
Japanese Patent JP2023122944
Kind Code:
A
Abstract:
To provide a motor that has the improved accuracy of estimating the position of a rotor.SOLUTION: A motor according to an embodiment includes a stator and a rotor. The rotor included in the motor has a rotor core 31 formed of a magnetic substance, a plurality of magnets 33 arranged side by side 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 can detect the magnetic fields of the magnets 33. The plurality of magnets 33 have shapes different from each other.SELECTED DRAWING: Figure 5
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Inventors:
KAWADA SHUSAKU
RENKI HIRONORI
RENKI HIRONORI
Application Number:
JP2022026722A
Publication Date:
September 05, 2023
Filing Date:
February 24, 2022
Export Citation:
Assignee:
NIDEC PREC CORP
International Classes:
G01D5/245; H02K11/215; H02K29/08
Attorney, Agent or Firm:
Patent Attorney Tsutsui International Patent Office