Title:
TURBINE ROTOR BLADE, AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2017/033726
Kind Code:
A1
Abstract:
A blade main body (51) of this gas turbine is provided with: a first cooling passage part (58); a second cooling passage part (59); a column part (60); and a plurality of protrusions. The first cooling passage part (58) is provided at the side near to the front edge (55). The second cooling passage part (59) is provided at the side near to the rear edge (56). The column part (60) is provided between the first cooling passage part (58) and the second cooling passage part (59), and is continuously formed between an end part and a base part of the blade main body (51). The plurality of protrusions protrude from the inner wall surfaces of the first cooling passage part (58) and the second cooling passage part (59).
Inventors:
TAKAMURA KEITA (JP)
HADA SATOSHI (JP)
ATSUMI HIDEKATSU (JP)
HADA SATOSHI (JP)
ATSUMI HIDEKATSU (JP)
Application Number:
PCT/JP2016/073284
Publication Date:
March 02, 2017
Filing Date:
August 08, 2016
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D5/18; F01D5/22; F02C7/18
Domestic Patent References:
| WO2010109954A1 | 2010-09-30 |
Foreign References:
| JP2009517574A | 2009-04-30 | |||
| JP2009167934A | 2009-07-30 | |||
| JP2010281316A | 2010-12-16 | |||
| JP2006242050A | 2006-09-14 | |||
| JPH11500507A | 1999-01-12 | |||
| JPH08200002A | 1996-08-06 |
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Download PDF: