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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)
Application Number:
PCT/JP2019/044477
Publication Date:
August 06, 2020
Filing Date:
November 13, 2019
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D11/08; F02C7/28; F16J15/447
Foreign References:
JP2014084816A2014-05-12
JPS578302A1982-01-16
JP2007321721A2007-12-13
JP2014234714A2014-12-15
JP2015094220A2015-05-18
JP2009047043A2009-03-05
JP2004011553A2004-01-15
EP2096262A12009-09-02
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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