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Patent Searching and Data


Title:
TURBINE ROTOR BLADE AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2019/188588
Kind Code:
A1
Abstract:
This turbine rotor blade is provided with a blade body including a belly-side blade wall and a back-side blade wall. The blade body includes; a serpentine flow passage comprising a cooling flow passage divided into a plurality of portions by a partition wall which connects the belly-side blade wall and the back-side blade wall and which extends in the height direction of the blade body; and a first cooling hole, one end of which is in communication with the cooling flow passage through a first inlet-side opening formed either in the inner wall surface of the belly-side blade wall or in the inner wall surface of the back-side blade wall, the other end of which is in communication with a first outlet opening formed either in the outer wall surface of the belly-side blade wall of the blade body or in the outer wall surface of the back-side blade wall of the blade body, and which extends in a front edge direction from the first inlet-side opening toward the first outlet-side opening.

Inventors:
MIYAHISA, Yasuo (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
HADA, Satoshi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
WAKAZONO, Susumu (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
Application Number:
JP2019/011455
Publication Date:
October 03, 2019
Filing Date:
March 19, 2019
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-Chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F01D5/18; F02C7/18
Foreign References:
JPH1054203A1998-02-24
JP2010216472A2010-09-30
US20120282108A12012-11-08
US7645122B12010-01-12
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (Mita 43MT Building 13th Floor, 13-16 Mita 3-Chome, Minato-k, Tokyo 73, 〒1080073, JP)
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