Title:
PRODUCTION METHOD FOR IMPELLER
Document Type and Number:
WIPO Patent Application WO/2018/154737
Kind Code:
A1
Abstract:
This production method for an impeller (1) comprises: an impeller formed body forming step for forming, by a laminate shaping method using metal powder, an impeller formed body (100) having a reinforcement portion (110) and the impeller (1) integrated with each other, the reinforcement portion (110) reinforcing at least one of ends of the impeller (1) where an inlet and an outlet of a flow channel (12) are formed; and a removal step for removing the reinforcement portion (110) from the impeller formed body (100).
Inventors:
KAWAHARA KOSEI (JP)
MORIKAWA AKIHIKO (JP)
MORIKAWA AKIHIKO (JP)
Application Number:
PCT/JP2017/007241
Publication Date:
August 30, 2018
Filing Date:
February 24, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND COMPRESSOR CORP (JP)
International Classes:
F04D29/28; B33Y10/00
Domestic Patent References:
| WO2015088852A1 | 2015-06-18 |
Foreign References:
| JP2017036484A | 2017-02-16 | |||
| JP2016037901A | 2016-03-22 |
Other References:
See also references of EP 3561308A4
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
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