Title:
IMPELLER MANUFACTURING METHOD, IMPELLER, AND ROTATION MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/181085
Kind Code:
A1
Abstract:
This impeller 1 is provided with: a disc part 30 which is fixed to a rotation shaft 101 which rotates around an axis O, a cover part 50 which is arranged facing the disc part 30, and multiple blade parts 40 which are provided between the disc part 30 and the cover part 50. The impeller 1 is characterized by being provided with: a first segment SG1 formed from a first disc part 31, which is a part of the disc part 30 located on one side of the axis O; a second disc part 35, which a part of the disc part 30 located on the other side of the axis O; a cover part 50; a second segment SG2 which is configured integrally with the blade parts 40; and a bonding layer CL which bonds the first segment SG1 and the second segment SG2 with friction welding.
Inventors:
KONNO YUYA (JP)
Application Number:
PCT/JP2018/011964
Publication Date:
October 04, 2018
Filing Date:
March 26, 2018
Export Citation:
Assignee:
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
International Classes:
F04D29/28; F04D29/62
Domestic Patent References:
| WO2006117847A1 | 2006-11-09 |
Foreign References:
| US20160290354A1 | 2016-10-06 | |||
| US20160003257A1 | 2016-01-07 | |||
| US20100215978A1 | 2010-08-26 |
Attorney, Agent or Firm:
OBA, Mitsuru et al. (JP)
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