Title:
TURBINE BLADE
Document Type and Number:
Japanese Patent JP2013124612
Kind Code:
A
Abstract:
To further enhance cooling efficiency of turbine blades included in a gas turbine engine or the like.
A cooling air hole 5 comprises a straight pipe portion 5a disposed on the inner wall face side of a blade body and an enlarged diameter portion 5b disposed on the outer wall face side of the blade body, and includes a guide groove 6 disposed on an inner wall of the enlarged diameter portion 5b and guiding cooling air Y in the enlarged diameter portion 5b.
Inventors:
NITA KOZO
OKITA YOJI
NAKAMATA CHIYUKI
YONEKURA KAZUO
KUBO YOSHI
WATANABE OSAMU
OKITA YOJI
NAKAMATA CHIYUKI
YONEKURA KAZUO
KUBO YOSHI
WATANABE OSAMU
Application Number:
JP2011274335A
Publication Date:
June 24, 2013
Filing Date:
December 15, 2011
Export Citation:
Assignee:
IHI CORP
International Classes:
F01D9/02; F01D5/18; F01D25/12; F02C7/18
Domestic Patent References:
| JP2008248733A | 2008-10-16 | |||
| JP2011247248A | 2011-12-08 | |||
| JP2011196360A | 2011-10-06 | |||
| JPH1089005A | 1998-04-07 | |||
| JPH1054203A | 1998-02-24 | |||
| JP2008248733A | 2008-10-16 |
Foreign References:
| US7997867B1 | 2011-08-16 |
Attorney, Agent or Firm:
Mitsuo Teramoto
Masatake Shiga
Kazuya Nishi
Hisanori Takahashi
Masatake Shiga
Kazuya Nishi
Hisanori Takahashi
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