Title:
タービン部品
Document Type and Number:
Japanese Patent JP4752841
Kind Code:
B2
Abstract:
A plurality of film cooling holes 13 is formed at regions exposed to a hot gas in a turbine component main body 3, each of the film cooling holes 13 is comprised of a straight hole portion 15 formed at a portion at a side of an inner wall surface 5a of the turbine component main body 3 and a diverging hole portion 17 formed at a portion at a side of an outer wall surface 5b of the turbine component main body 3, and further each of the film cooling holes 13 is so constituted that an outlet surface 17p of the diverging hole portion 17 from a center portion to both end sides in a lateral direction L3 gradually to a great extent leans toward a downstream side of the hot gas on the basis of a hypothetical plane VP parallel to two directions of an axial center direction L2 and a lateral direction L3 of the straight hole portion 15.
Inventors:
Yoji Ohkita
Application Number:
JP2007542185A
Publication Date:
August 17, 2011
Filing Date:
November 01, 2005
Export Citation:
Assignee:
Ihi Co., Ltd.
International Classes:
F01D5/18; F01D9/02; F02C7/18
Domestic Patent References:
| JP2001012204A | 2001-01-16 | |||
| JPS60216022A | 1985-10-29 | |||
| JPH0763002A | 1995-03-07 | |||
| JP2006009785A | 2006-01-12 | |||
| JP2000141069A | 2000-05-23 | |||
| JPH07332005A | 1995-12-19 | |||
| JPH1089005A | 1998-04-07 |
Foreign References:
| GB2389330A | 2003-12-10 |
Attorney, Agent or Firm:
Hidekazu Miyoshi