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Patent Searching and Data


Title:
回転子及び回転電機
Document Type and Number:
Japanese Patent JP6616388
Kind Code:
B2
Abstract:
A rotor is configured such that the rotor includes: a rotary tube whose inner circumferential surface is tapered and which is fitted to a rotary shaft whose outer circumferential surface is tapered; a permanent magnet which is arranged on the outer circumferential side of the rotary tube; and a sheath tube which is fitted to the outer circumferential side of the permanent magnet so as to cover the permanent magnet, and that as the outside diameter of a multilayer member formed with the rotary tube and the permanent magnet is reduced so as to be tapered along an axial direction, the interference of the sheath tube for the multilayer member is increased so as to be tapered along the axial direction.

Inventors:
Takano Shishin
Takashi Kajiya
Kenji Kawai
Naoshi Maeda
Application Number:
JP2017237210A
Publication Date:
December 04, 2019
Filing Date:
December 11, 2017
Export Citation:
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Assignee:
FANUC Corporation
International Classes:
H02K1/27; H02K21/14
Domestic Patent References:
JP2016100944A
JP2000245086A
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hiroaki Hoshino