Title:
ROTATING MACHINE, AND SEAL RING
Document Type and Number:
WIPO Patent Application WO/2020/183933
Kind Code:
A1
Abstract:
This rotating machine is provided with a rotor which rotates about an axis, a stator facing the rotor in the radial direction, and a plurality of sealing fins (70) which project from one of the rotor and the stator toward the other thereof in the radial direction, and which are provided spaced apart in the axial direction, wherein one of the rotor and the stator includes: an acoustic space (V) formed as a hollow portion inside said one of the rotor and the stator; and a through hole (H) providing communication between the acoustic space (V) and a part between the sealing fins (70) that are adjacent to one another in the axial direction.
Inventors:
KAWASHITA RIMPEI (JP)
MURATA KENICHI (JP)
MURATA KENICHI (JP)
Application Number:
PCT/JP2020/002441
Publication Date:
September 17, 2020
Filing Date:
January 24, 2020
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D11/08; F01D11/02; F01D25/04; F02C7/28
Foreign References:
| JPS5974309A | 1984-04-26 | |||
| US20110020114A1 | 2011-01-27 | |||
| JPS5892402U | 1983-06-22 | |||
| JP2015183693A | 2015-10-22 | |||
| JP2004183943A | 2004-07-02 | |||
| JP2017155705A | 2017-09-07 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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