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Title:
ROTOR AND COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2024/043269
Kind Code:
A1
Abstract:
This rotor comprises: bolt fixing sections having bolts for collectively fixing a plurality of impellers; and shaft end members respectively connected to the impellers arranged on both ends in the axial direction. The bolt fixing section comprises bolts inserted through bolt holes in the plurality of impellers and nuts fastened to the end sections of the bolts. The shaft end members each comprise: a shaft section capable of being rotatably supported in the circumferential direction by a bearing section; and a flange section formed in a disc shape with respect to the shaft section. Accommodation sections that are recessed in the axial direction and accommodate the end sections of the bolts and the nuts are formed in at least one of flange-facing surfaces of the flange sections and disc-facing surfaces of the impellers.

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Inventors:
NAGAO HIDEKI (JP)
YANAGISAWA EIICHI (JP)
Application Number:
PCT/JP2023/030290
Publication Date:
February 29, 2024
Filing Date:
August 23, 2023
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
International Classes:
F04D29/054; F04D17/12; F04D29/28; F04D29/62
Foreign References:
JP2011196188A2011-10-06
JP2013002448A2013-01-07
JP2021124101A2021-08-30
JP2022129731A2022-09-06
JP2016098809A2016-05-30
JP2006226251A2006-08-31
CN210919495U2020-07-03
JPS55123693U1980-09-02
JPS6267299A1987-03-26
JPS5870096A1983-04-26
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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