Title:
ROTARY MACHINE AND MAINTENANCE METHOD FOR ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/070654
Kind Code:
A1
Abstract:
Provided is a supercharger (100) comprising an impeller, a scroll casing formed to surround the outer circumferential side of the impeller, a bearing casing (20) located adjacent to the scroll casing, and a connection part (40) which connects the scroll casing and the bearing casing (20), wherein: the connection part (40) has fastening bolts (41) and fastening bolts (42); a plurality of through-holes (21) are formed at intervals in a circumferential direction (CD) in the bearing casing (20); the scroll casing and the bearing casing (20) are connected to each other in a state in which the plurality of fastening bolts (41) and the plurality of fastening bolts (42) are inserted into the plurality of through-holes (21); and the fastening bolts (41) have higher tensile strength than the fastening bolts (42).
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Inventors:
YAMASHITA MASATO (JP)
TEZUKA TAIJI (JP)
YAGI KENJI (JP)
IWASA YUKIHIRO (JP)
ITO YOSHIKAZU (JP)
KANAZAWA SHINGO (JP)
TEZUKA TAIJI (JP)
YAGI KENJI (JP)
IWASA YUKIHIRO (JP)
ITO YOSHIKAZU (JP)
KANAZAWA SHINGO (JP)
Application Number:
PCT/JP2021/030267
Publication Date:
April 07, 2022
Filing Date:
August 18, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND MARINE MACHINERY & EQUIPMENT CO LTD (JP)
International Classes:
F04D29/42; F02B39/00; F04D29/056
Foreign References:
| JP2015063956A | 2015-04-09 | |||
| JP2016084785A | 2016-05-19 | |||
| JP2018084241A | 2018-05-31 | |||
| JP2005351274A | 2005-12-22 | |||
| JP2016050605A | 2016-04-11 | |||
| JP2016186099A | 2016-10-27 | |||
| JP2005344713A | 2005-12-15 | |||
| JP2020016163A | 2020-01-30 |
Other References:
See also references of EP 4202230A4
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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