Title:
モータ用ロータ、モータ及びモータ用ロータの製造方法
Document Type and Number:
Japanese Patent JP7084323
Kind Code:
B2
Abstract:
Provided is a motor rotor having a magnet attachment structure that can be used in a severe environment, for example. A motor rotor comprises: a rotary shaft; an annular magnetic body; a metal member; and an annular magnet that surrounds the magnetic body. The magnetic body has two surfaces that face each other in the rotary shaft direction, and a protruding part that protrudes from one surface of the two surfaces in the rotary shaft direction. The protruding part surrounds the rotary shaft. The magnet has two surfaces that face each other in the rotary shaft direction. The metal member is disposed on one surface of the magnet. The metal member surrounds the protruding part. The metal member is interposed between the protruding part and the one surface of the magnetic body.
Inventors:
Hirono Nishino
Application Number:
JP2018567344A
Publication Date:
June 14, 2022
Filing Date:
January 19, 2018
Export Citation:
Assignee:
MinebeaMitsumi Co., Ltd.
International Classes:
H02K1/278; H02K15/03
Domestic Patent References:
| JP2010246238A | ||||
| JP1150469U | ||||
| JP6098489A | ||||
| JP2014195356A |
Foreign References:
| WO2016208031A1 | ||||
| WO2017009902A1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima class
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima class