Title:
BRUSHLESS MOTOR
Document Type and Number:
Japanese Patent JP2021052455
Kind Code:
A
Abstract:
To provide a brushless motor capable of suppressing reduction of output, generation of vibration and noise, etc., by accurately positioning a magnetic flux detection plane of a magnetic sensor.SOLUTION: The present invention relates to a brushless motor (1) comprising a magnetic sensor which detects rotation of a rotor. The brushless motor comprises: a rotor (2) including a magnet (2b) and rotatable around a rotation axis (2a); a stator (4) including a plurality of winding coils; a magnetic sensor (6) provided at the stator side and including a magnetic flux detection plane (6c) for detecting magnetism of the magnet of the rotor; and a sensor holding member (14) provided at the stator side and including a sensor mounting surface (18) configured to mount the magnetic sensor thereon by abutting the magnetic flux detection plane. The sensor mounting surface is a flat surface in parallel with a tangent of a circle with the rotation axis defined as a center, and oriented outward in a radial direction of the circle with the rotation axis defined as the center.SELECTED DRAWING: Figure 1
Inventors:
TAKEDA YOSHIHIRO
Application Number:
JP2019172629A
Publication Date:
April 01, 2021
Filing Date:
September 24, 2019
Export Citation:
Assignee:
TAMRON KK
International Classes:
H02K29/08
Domestic Patent References:
| JP2014121104A | 2014-06-30 | |||
| JPH01166471U | 1989-11-21 | |||
| JP2009095172A | 2009-04-30 |
Attorney, Agent or Firm:
Shinichiro Tanaka
▲吉▼田 和彦
Hiroyuki Suda
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Makoto Watanabe
▲吉▼田 和彦
Hiroyuki Suda
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Makoto Watanabe