Title:
SHAFT SEAL DEVICE, ROTARY MACHINE, AND METHOD FOR MANUFACTURING SHAFT SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/076132
Kind Code:
A1
Abstract:
A shaft seal device (10) is provided with: leaves (20) arranged around a rotating shaft (50) and dividing a space around the rotating shaft into two spaces in the axial direction of the rotating shaft; and a side seal plate disposed on one side of the leaves in the axial direction and having a facing surface facing the side end sections of the leaves, which are located on the one side of the leaves. The leaves and/or the side seal plate has a friction reduction section for reducing the frictional force between the facing surface and the surfaces of the side end sections.
Inventors:
YOSHIDA AZUMI (JP)
UEHARA HIDEKAZU (JP)
OZAKI KOHEI (JP)
NISHIMOTO SHIN (JP)
UEHARA HIDEKAZU (JP)
OZAKI KOHEI (JP)
NISHIMOTO SHIN (JP)
Application Number:
PCT/JP2014/079690
Publication Date:
May 28, 2015
Filing Date:
November 10, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D11/00; F01D11/12; F02C7/28; F16J15/22
Foreign References:
| JP2011185219A | 2011-09-22 | |||
| JP2003343730A | 2003-12-03 | |||
| JP2013145007A | 2013-07-25 | |||
| JP2013040682A | 2013-02-28 | |||
| JP2010507056A | 2010-03-04 | |||
| JP2005069404A | 2005-03-17 | |||
| JP2007321986A | 2007-12-13 | |||
| JP2011185219A | 2011-09-22 |
Other References:
HIDEYUKI INOUE ET AL.: "Mechanical Seal ni Okeru Dimple Kaikokei no Shudo Tokusei eno Eikyo", PROCEEDINGS OF JAST TRIBOLOGY CONFERENCE ( CD-ROM, vol. D1, 23 October 2013 (2013-10-23), pages 1 - 2, XP008182008
See also references of EP 3059397A4
See also references of EP 3059397A4
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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