Title:
AXIAL FLOW ROTATING MACHINE, AND MOVING BLADE MEMBER
Document Type and Number:
WIPO Patent Application WO/2018/151251
Kind Code:
A1
Abstract:
A steam turbine is provided with: a rotating shaft (1); a moving blade (4) including a platform (43) and a moving blade main body (40); a casing (2); a stationary blade (7) including a stationary blade main body (70) and a stationary blade shroud (71); and a projecting portion (45A) which projects from the platform (43) toward the upstream side in a central axial direction (Da). The projecting portion (45A) includes, on a side thereof facing a radially inner side, a guide surface (45f) which gradually curves toward the radially inner side, from a base end portion (45s) on the platform (43) side to a tip end portion (45t) on an upstream side in the central axial direction (Da).
Inventors:
MORI MASATAKA (JP)
FUKAO SHINJI (JP)
SUGISHITA HIDEAKI (JP)
MATSUMOTO KAZUYUKI (JP)
KUWAMURA YOSHIHIRO (JP)
FUKAO SHINJI (JP)
SUGISHITA HIDEAKI (JP)
MATSUMOTO KAZUYUKI (JP)
KUWAMURA YOSHIHIRO (JP)
Application Number:
PCT/JP2018/005476
Publication Date:
August 23, 2018
Filing Date:
February 16, 2018
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D5/14; F01D9/04; F01D11/02; F01D25/00; F02C7/28
Foreign References:
| JPS6081202U | 1985-06-05 | |||
| EP2055901A1 | 2009-05-06 | |||
| JPH03108801U | 1991-11-08 | |||
| JPS453761Y | ||||
| JP2008002576A | 2008-01-10 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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