Title:
AXIAL-FLOW-MACHINE BLADE
Document Type and Number:
WIPO Patent Application WO/2016/080025
Kind Code:
A1
Abstract:
An axial-flow-machine blade according to the present invention is provided with: a blade body (39) that extends in a radial direction; a platform (end wall)(41) that is provided at an end section (40) of the blade body (39) in the radial direction, that supports the blade body (39), and that is formed like a plate so as to serve as a wall of a channel in which the blade body (39) is installed; and at least one protruding section (15) that is formed so as to protrude from a back surface (41d) of the platform (41) in a direction away from the blade body (39). The protruding section (15) is integrally formed with a portion that generates a node of a primary vibration mode when an edge section (41c) of the platform (41) vibrates as a free end of the primary vibration mode.
Inventors:
OGAWARA KAZUTO (JP)
SHIMADA TAKAHIRO (JP)
SHIMADA TAKAHIRO (JP)
Application Number:
PCT/JP2015/071709
Publication Date:
May 26, 2016
Filing Date:
July 30, 2015
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F01D5/26; F01D5/10; F01D9/02; F01D25/00; F04D29/54; F04D29/66
Foreign References:
| JPH074203A | 1995-01-10 | |||
| JP2011196179A | 2011-10-06 | |||
| JPH01139001U | 1989-09-22 | |||
| JPH06193401A | 1994-07-12 |
Other References:
See also references of EP 3156602A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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