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1. (WO2018198202) COMPRESSOR AND REFRIGERATION CYCLE DEVICE

Pub. No.:    WO/2018/198202    International Application No.:    PCT/JP2017/016401
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Wed Apr 26 01:59:59 CEST 2017
IPC: F04C 18/52
F04B 39/00
F04C 29/00
H02K 1/28
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: KOBA, Yu
木庭 優
KAMIKAWA, Masaaki
上川 雅章
SHIRAISHI, Soichi
白石 聡一
Title: COMPRESSOR AND REFRIGERATION CYCLE DEVICE
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.