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Title:
STEAM TURBINE ROTATING BLADE FOR LOW-PRESSURE SECTION OF STEAM TURBINE ENGINE
Document Type and Number:
Japanese Patent JP2010065685
Kind Code:
A
Abstract:

To provide a steam turbine rotating blade (20) for a low-pressure section of a steam turbine engine (10).

The steam turbine rotating blade (20) includes a blade-shaped section (42). A root section (44) is fitted to one end of the blade-shaped section (42). A tab tail section (40) includes a slantwise shaft direction inserting type tab tail that is a tab tail section (40) protruding from the root section (44). An apical end section (46) is fitted on the blade-shaped section (42) in an end opposite to the root section (44). A cover (48) is formed integrally with the apical end section (46) as a part of the apical end section (46). The rotating blade (20) includes an annular outlet space area not smaller than about 30.5 ft2 (2.83 m2).


Inventors:
RIAZ MUHAMMAD SAQIB
FILYAYEV VYACHESLAV
Application Number:
JP2009000203204
Publication Date:
March 25, 2010
Filing Date:
September 03, 2009
Export Citation:
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Assignee:
GEN ELECTRIC
International Classes:
F01D5/14; F01D5/22; F01D5/30
Attorney, Agent or Firm:
荒川 聡志
小倉 博
黒川 俊久