Title:
STATIONARY VANE RING AND ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/168951
Kind Code:
A1
Abstract:
This stationary vane ring comprises a vane group having a plurality of vanes arrayed in the circumferential direction of an axis, a shroud segment in which the radial ends of the plurality of vanes of the vane group are connected to form an arc so as to connect the plurality of vanes in the circumferential direction, and a pressing portion that applies radial pressure to the vane group so that the vane group is pressed against the shroud segment, the pressing portion having pressure distribution such that the pressure at the circumferential center of the shroud segment is less than the pressure at both circumferential ends of the shroud segment.
Inventors:
TAKEI SOTARO (JP)
HIRATO YASUMASA (JP)
TOMII MASAYUKI (JP)
HAMANA HIROYUKI (JP)
HIRATO YASUMASA (JP)
TOMII MASAYUKI (JP)
HAMANA HIROYUKI (JP)
Application Number:
PCT/JP2022/004493
Publication Date:
August 11, 2022
Filing Date:
February 04, 2022
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D9/04
Domestic Patent References:
| WO2013146590A1 | 2013-10-03 | |||
| WO2010073783A1 | 2010-07-01 |
Foreign References:
| US20100196155A1 | 2010-08-05 | |||
| JP2014177888A | 2014-09-25 | |||
| US20130089417A1 | 2013-04-11 | |||
| JPH09228804A | 1997-09-02 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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