AXIAL-FLOW THERMAL TURBOMACHINE

Japanese Patent JP2004293550

A

To provide a thermal turbomachine for reducing the whole weight of a rotor, avoiding breaking due to fragility of a blade, and enhancing the useful life of the machine by improving an axial-flow thermal turbomachine in the form of having the rotor 1 composed of a metallic material, and forming a blade cascade of one row by installing a plurality of moving blades 3 composed of an intermetallic compound in a peripheral groove of the rotor.

This thermal turbomachine is constituted so that at least two moving blades 3' composed of a ductile material are arranged between the moving blades 3 of the intermetallic compound in the blade cascade by mutually keeping a uniform interval. The moving blades 3' composed of this ductile material are constituted remarkably longer than the moving blades 3 composed of the intermetallic compound, or have a blade tip shape different from the moving blades 3 composed of the intermetallic compound in the same length.

JP2871359	INDUSTRIAL APPLICABILITY: Heat treatment method for Near β type titanium alloy
JPS61223151	DENTAL ALLOY FOR CASTING AND RESTORATION
JPH10251778	INTERMETALLIC COMPOUND EXCELLENT IN STRENGTH AND TOUGHNESS, AND ITS PRODUCTION

GERDES CLAUS PAUL
NAZMY MOHAMED YOUSEF
WETTSTEIN HANS DR

JP2004083410A

October 21, 2004

March 22, 2004

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ALSTOM TECHNOLOGY LTD

C22C14/00; F01D5/20; F01D5/28; F01D21/04; F02C7/00; (IPC1-7): F01D5/28; C22C14/00; F02C7/00

JPH11247614A	1999-09-14
JPH06218562A	1994-08-09

US5474421A	1995-12-12
DE1426816A1	1969-03-13
US2948506A	1960-08-09
DE469002C	1928-11-29
DE4439726A1	1996-05-15

Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel

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