Title:
SEAL MECHANISM AND ROTATING MACHINE PROVIDED WITH SEAL MECHANISM
Document Type and Number:
WIPO Patent Application WO/2014/115706
Kind Code:
A1
Abstract:
Provided is a rotating machine comprising a seal mechanism (2) having the following: a plurality of moving blades extending in the radial direction of a rotation shaft, with intervals therebetween in the circumferential direction; a casing that encloses the moving blades from the outer circumferential side; and a swirl guide part (170) that is provided on the upstream side of a gap formed between the leading edge of the moving blades and the casing. The swirl guide part (170) has a first guide surface (171) that extends along the flow direction of a swirl flow (SL), and a second guide surface (172) that is continuous with the first guide surface (171) and curves in the radial direction.
Inventors:
MATSUMOTO KAZUYUKI (JP)
KANKI HIROSHI (JP)
IINO MASAMICHI (JP)
HARADA TETSUYA (JP)
KANKI HIROSHI (JP)
IINO MASAMICHI (JP)
HARADA TETSUYA (JP)
Application Number:
PCT/JP2014/051067
Publication Date:
July 31, 2014
Filing Date:
January 21, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D11/08; F01D25/00; F02C7/28; F16J15/447
Domestic Patent References:
| WO2012043254A1 | 2012-04-05 |
Foreign References:
| US20050100439A1 | 2005-05-12 | |||
| JPS61181801U | 1986-11-13 | |||
| JP2012137006A | 2012-07-19 | |||
| JP2006104952A | 2006-04-20 |
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
Woods Ryuichiro (JP)
Woods Ryuichiro (JP)
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