Title:
STATIONARY TURBINE BLADE AND STEAM TURBINE
Document Type and Number:
WIPO Patent Application WO/2022/034756
Kind Code:
A1
Abstract:
This stationary turbine blade comprises: a stationary blade main body extending in the radial direction intersecting the flow direction of steam; a hydrophilic region which is formed on the surface of the stationary blade main body and which has a relatively higher hydrophilicity than the other parts and has the radial dimension gradually increasing toward the downstream side in the flow direction; and a collecting portion which is provided on the downstream side of the hydrophilic region and which collects a liquid film flowing along the hydrophilic region.
Inventors:
DUAN CHONGFEI (JP)
MIZUMI SHUNSUKE (JP)
TABATA SOICHIRO (JP)
ISHIBASHI KOJI (JP)
MIZUMI SHUNSUKE (JP)
TABATA SOICHIRO (JP)
ISHIBASHI KOJI (JP)
Application Number:
PCT/JP2021/025171
Publication Date:
February 17, 2022
Filing Date:
July 02, 2021
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D9/02
Foreign References:
| JP2007120478A | 2007-05-17 | |||
| JP2017106451A | 2017-06-15 | |||
| JP2007309235A | 2007-11-29 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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