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Patent Searching and Data


Title:
TURBINE BLADE AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2019/203158
Kind Code:
A1
Abstract:
This turbine blade is provided with: a blade body; a cooling passage extending along a blade height direction inside the blade body; and a plurality of turbulators provided to an inner wall surface of the cooling passage and arrayed along the cooling passage. The blade body has a first end part and a second end part, which are both end parts in the blade height direction. The passage width of the cooling passage in a dorsoventral direction of the blade body at the second end part is greater than the passage width of the cooling passage at the first end part, and the height of the plurality of turbulators increases in the blade height direction moving from the first end part side to the second end part side.

Inventors:
WAKAZONO, Susumu (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
TAKAMURA, Keita (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)
Application Number:
JP2019/015994
Publication Date:
October 24, 2019
Filing Date:
April 12, 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; F01D9/02; F02C7/18
Foreign References:
US20080170945A12008-07-17
JPS55107005A1980-08-16
JP2003193805A2003-07-09
US5695320A1997-12-09
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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