Title:
METHOD FOR MANUFACTURING IMPELLER
Document Type and Number:
Japanese Patent JP2012017713
Kind Code:
A
Abstract:
To easily introduce compressive stress in a short time in a method for manufacturing an impeller.
In a method for manufacturing an impeller having a fitting hole into which a shaft as a rotary shaft is fitted, a reinforced area on which compressive stress is applied is formed in the impeller by pressing the impeller from the inside of the fitting hole with a jig 10 inserted into the fitting hole.
Inventors:
MATSUMOTO KEISUKE
NAKANO TAKESHI
NAKANO TAKESHI
Application Number:
JP2010156677A
Publication Date:
January 26, 2012
Filing Date:
July 09, 2010
Export Citation:
Assignee:
IHI CORP
International Classes:
F04D29/28; F04D29/044; F04D29/054; F04D29/22
Domestic Patent References:
| JPS58150098A | 1983-09-06 | |||
| JP2005002849A | 2005-01-06 |
Foreign References:
| US6164931A | 2000-12-26 |
Attorney, Agent or Firm:
Kazuya Nishi
Masatake Shiga
Masayu Horiuchi
Masatake Shiga
Masayu Horiuchi