Title:
MOTOR
Document Type and Number:
Japanese Patent JP2020036492
Kind Code:
A
Abstract:
To provide a motor which can use an IC by adjusting an assembled angle of the IC, when the IC housing an element which detects a rotational phase of a rotor within a single package is arranged and even when the IC is diverted for a motor with a different diameter and a different pole number of the rotor.SOLUTION: A motor has: a first yoke 6 having a rotatable rotor 3 with a magnet composed of a first magnetized layer 2A and a second magnetized layer 2B multi-polarized at a pitch C alternately in a different pole in an n-divided circumferential direction, a first coil 4, a second coil 5, and a first magnetic pole portion 6a; a second york 7 having a second magnetic pole portion 7a; and detection means for detecting a rotational phase of the magnet, and having a first detection element 10a and a second detection element 10b arranged at a pitch L. The first detection element is arranged in a magnetic pole center position of the magnetized layer and the second detection element is arranged in a position at a switchover of the magnetic pole of the magnetized layer.SELECTED DRAWING: Figure 4
Inventors:
SUDO KAORU
AOSHIMA TSUTOMU
AOSHIMA TSUTOMU
Application Number:
JP2018162499A
Publication Date:
March 05, 2020
Filing Date:
August 31, 2018
Export Citation:
Assignee:
CANON KK
International Classes:
H02K37/14; H02K11/215; H02P8/14
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa