Title:
TURBINE SHAFT AND TURBOCHARGER
Document Type and Number:
WIPO Patent Application WO/2017/179522
Kind Code:
A1
Abstract:
The turbine shaft 20 is equipped with: a turbine impeller 9 having a protrusion part 24 which is disposed on a rear surface 21b of a body section 21 and surface 23 to be welded which is disposed on the radially outer side of the protrusion part 24 within the rear surface 21b of the body section 21; and a shaft 8 having an end hole 25 which is formed in one end surface 8a and through which the protrusion part is inserted, a weld surface 26 which is disposed on the radially outer side of the end hole 25 and is welded to surface 23 to be welded, a second seal groove 28 which is disposed on the other end side from the weld surface 26, and an enlarged-diameter part 29 which is formed between the weld surface 26 and the second seal groove 28 and extends radially outward from the weld surface 26 side toward the second seal groove 28 side.
Inventors:
SAKISAKA RYOTA (JP)
KOBAYASHI TAKAHIRO (JP)
KANEDA SHINICHI (JP)
BUNNO KENJI (JP)
KOBAYASHI TAKAHIRO (JP)
KANEDA SHINICHI (JP)
BUNNO KENJI (JP)
Application Number:
PCT/JP2017/014620
Publication Date:
October 19, 2017
Filing Date:
April 10, 2017
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F02B39/00
Foreign References:
| JP2009144633A | 2009-07-02 | |||
| JP2010096115A | 2010-04-30 | |||
| JP2007205253A | 2007-08-16 | |||
| US20150198043A1 | 2015-07-16 | |||
| JP2006037952A | 2006-02-09 | |||
| JP2011196256A | 2011-10-06 | |||
| JP2014177933A | 2014-09-25 |
Attorney, Agent or Firm:
AOMI PATENT (JP)
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