Title:
GAS TURBINE STATOR VANE COOLING METHOD AND COOLING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2024/106091
Kind Code:
A1
Abstract:
A shroud according to the present disclosure comprises a shroud main body, and a shroud edge portion which is provided around the shroud main body and which surrounds the shroud main body, wherein the shroud edge portion internally includes a shroud edge portion flow passage, and the shroud edge portion flow passage is provided along the periphery of the shroud main body. The shroud edge portion includes: a plurality of cooling air inlets configured to introduce cooling air from outside the shroud edge portion into the shroud edge portion flow passage; and a plurality of cooling air outlets configured to allow the cooling air to flow out from inside the shroud edge portion flow passage to the outside of the shroud edge portion. The shroud edge portion flow passage is divided into three or more sub-flow passages by means of the plurality of cooling air inlets and the plurality of cooling air outlets.
Inventors:
MIZUKAMI SATOSHI (JP)
FLODMAN DAVID ALLEN (US)
HADA SATOSHI (JP)
FLODMAN DAVID ALLEN (US)
HADA SATOSHI (JP)
Application Number:
PCT/JP2023/037085
Publication Date:
May 23, 2024
Filing Date:
October 12, 2023
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D9/02; F02C7/18
Domestic Patent References:
| WO2016152573A1 | 2016-09-29 | |||
| WO2023171752A1 | 2023-09-14 | |||
| WO2023171745A1 | 2023-09-14 |
Foreign References:
| JP2019078204A | 2019-05-23 | |||
| JP2020020344A | 2020-02-06 | |||
| JPH08270401A | 1996-10-15 | |||
| US20120177479A1 | 2012-07-12 | |||
| JPH11236805A | 1999-08-31 | |||
| JP2004060638A | 2004-02-26 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
Download PDF: