Title:
アウタロータ型のモータのためのロータ、当該ロータを備えるモータ、当該モータを備えるターボ分子ポンプおよび当該モータを備える基板回転装置
Document Type and Number:
Japanese Patent JP7244236
Kind Code:
B2
Abstract:
The present invention addresses the problem of stress concentration in a rotor core and/or the interior of an end ring. According to one embodiment, a rotor for an outer-rotor type motor comprises: a rotor core having a substantially cylindrical shape, said rotor core being divided into a plurality of separate circular arc sections; a plurality of metal bars secured to the inner circumferential portion of the rotor core, each of the plurality of metal bars extending in the axial direction of the rotor core; and an end ring electrically connecting the plurality of metal bars to each other.
Inventors:
Yu Kakesu
Toshimitsu Ibarata
Naoki Iijima
Yu Sakai
Kunihiko Tanaka
Toshimitsu Ibarata
Naoki Iijima
Yu Sakai
Kunihiko Tanaka
Application Number:
JP2018165306A
Publication Date:
March 22, 2023
Filing Date:
September 04, 2018
Export Citation:
Assignee:
Ebara Corporation
International Classes:
H02K1/22; F04D19/04; H02K17/16
Domestic Patent References:
| JP7046807A | ||||
| JP62135245A | ||||
| JP2017184525A | ||||
| JP2000027789A | ||||
| JP2009206288A |
Foreign References:
| CN106953438A |
Attorney, Agent or Firm:
Toru Miyamae
Yukio Kanegae
Makoto Watanabe
Nara earth
Yukio Kanegae
Makoto Watanabe
Nara earth