Title:
COMPRESSOR, AND ELECTRIC MOTOR FOR COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2020/208777
Kind Code:
A1
Abstract:
This compressor is provided with a cylindrical hermetically sealed container, a compression element portion which is accommodated inside the hermetically sealed container to compress refrigerant gas, and an electric motor which is accommodated inside the hermetically sealed container to drive the compression element portion, wherein: the electric motor includes a cylindrical stator which is fixed into the hermetically sealed container by shrink fitting; a recessed portion which is recessed in a stacking direction of electrical steel plates forming the stator and which opens toward the compression element portion is formed in a wall portion of the stator that faces the compression element portion; and the recessed portion forms a gap between the stator and the inner circumferential wall of the hermetically sealed container.
Inventors:
KIJIMA RYUKICHI (JP)
Application Number:
PCT/JP2019/015809
Publication Date:
October 15, 2020
Filing Date:
April 11, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C29/00; F04B39/00
Foreign References:
| JP2001342954A | 2001-12-14 | |||
| JPS5331307U | 1978-03-17 | |||
| JP2007154658A | 2007-06-21 | |||
| JP2000050543A | 2000-02-18 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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