Title:
ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/158105
Kind Code:
A1
Abstract:
This rotating machine is provided with: a casing 11 having a hollow shape; a rotor 12 supported with freedom to rotate inside the casing 11; stationary blades 13 fixed to an inner circumferential portion of the casing 11; moving blades 14 fixed to an outer circumferential portion of the rotor 12, offset in an axial direction A of the rotor 12 relative to the stationary blades 13; a sealing device 15 disposed between the inner circumferential portion of the casing 11 and tip end portions of the moving blades 14; a swirling flow generating chamber 31 provided extending in a circumferential direction C of the rotor 12 on a downstream side, in a steam flow direction A1, of the sealing device 15 in the casing 11; a plurality of first guiding members 32 provided extending in a radial direction R of the rotor 12 in the swirling flow generating chamber 31, with a prescribed spacing in the circumferential direction C of the rotor 12; and a second guiding member 33 provided extending in the circumferential direction C of the rotor 12 in the swirling flow generating chamber 31, intersecting the plurality of first guiding members 32.
Inventors:
ONO HIDEKI (JP)
DUAN CHONGFEI (JP)
MATSUMOTO KAZUYUKI (JP)
KUWAMURA YOSHIHIRO (JP)
FUKUSHIMA HISATAKA (JP)
SUGISHITA HIDEAKI (JP)
SEGAWA KIYOSHI (JP)
DUAN CHONGFEI (JP)
MATSUMOTO KAZUYUKI (JP)
KUWAMURA YOSHIHIRO (JP)
FUKUSHIMA HISATAKA (JP)
SUGISHITA HIDEAKI (JP)
SEGAWA KIYOSHI (JP)
Application Number:
PCT/JP2019/044477
Publication Date:
August 06, 2020
Filing Date:
November 13, 2019
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D11/08; F02C7/28; F16J15/447
Foreign References:
JP2014084816A | 2014-05-12 | |||
JPS578302A | 1982-01-16 | |||
JP2007321721A | 2007-12-13 | |||
JP2014234714A | 2014-12-15 | |||
JP2015094220A | 2015-05-18 | |||
JP2009047043A | 2009-03-05 | |||
JP2004011553A | 2004-01-15 | |||
EP2096262A1 | 2009-09-02 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: