Title:
COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198202
Kind Code:
A1
Abstract:
This compressor is provided with: a key inserted into a first key groove in a rotor and also into a second key groove in a shaft body and having a greater length than the rotor; a spacer having a second through-hole having inserted therein the portion of the shaft body, which is located between the stepped section and male thread section of the shaft body, the spacer also having a third key groove formed in an inner peripheral surface which is a wall surface which forms the second through-hole, the third key groove having the key inserted therein, the spacer being disposed between the stepped section of the shaft body and the rotor, and/or between the male thread section of the shaft body and the rotor; and a nut engaged with the male thread section of the shaft body and gripping and affixing the rotor and the spacer between the nut and the stepped section of the shaft body.
Inventors:
KOBA YU (JP)
KAMIKAWA MASAAKI (JP)
SHIRAISHI SOICHI (JP)
KAMIKAWA MASAAKI (JP)
SHIRAISHI SOICHI (JP)
Application Number:
PCT/JP2017/016401
Publication Date:
November 01, 2018
Filing Date:
April 25, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/52; F04B39/00; F04C29/00; H02K1/28
Foreign References:
| JP2000145675A | 2000-05-26 | |||
| JPS5831746U | 1983-03-02 | |||
| JPS5579643U | 1980-06-02 | |||
| JP5772924B2 | 2015-09-02 |
Other References:
See also references of EP 3617513A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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