Title:
ROTARY ELECTRIC MACHINE AND COMPRESSOR
Document Type and Number:
Japanese Patent JP2016192877
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary electric machine capable of securing capacity of a bearing and inhibiting a magnet from being broken.SOLUTION: An electric motor 13 comprises a rotary shaft 12, a magnet 62 and a radial bearing 73. The magnet 62 is arranged on the outer peripheral surface of the rotary shaft 12. The radial bearing 73 rotatably supports the rotary shaft 12. The rotary shaft 12 includes: a magnet arrangement part 120 in which the magnet 62 is placed; and support parts 121 and 122 supported by the radial bearings 73. Distance D0 between the magnet arrangement part 120 and an axial line Z of the rotary shaft 12 is shorter than distances D1 and D2 between portions opposite to the radial bearings 73 in the support parts 121 and 122 and the axial line Z of the rotary shaft 12.SELECTED DRAWING: Figure 1
Inventors:
ATAYA HIROSHI
FUKASAKU HIROSHI
KUSAKABE TORU
FUKASAKU HIROSHI
KUSAKABE TORU
Application Number:
JP2015072878A
Publication Date:
November 10, 2016
Filing Date:
March 31, 2015
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H02K7/08; F04D29/00; F04D29/058; F16C17/02; F16C17/04; H02K1/27; H02K7/14
Domestic Patent References:
| JP2011214523A | 2011-10-27 | |||
| JP2002010543A | 2002-01-11 | |||
| JPS6084957A | 1985-05-14 | |||
| JPS5673164U | 1981-06-16 | |||
| JP2000249091A | 2000-09-12 |
Attorney, Agent or Firm:
Fukami patent office