Title:
DIVIDED MECHANICAL SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/054610
Kind Code:
A1
Abstract:
A divided mechanical seal device, wherein: a seal cover (12) can be divided at a division surface (12c) substantially parallel to the shaft core of a rotating shaft (6); a string-shaped primary seal member (15) that prevents leakage of fluid from the division surface (12c) is attached to the division surface (12c) of the seal cover (12), such that at least part (15b) of the primary seal member (15) is exposed to the inner circumferential surface of the seal cover (12); a secondary seal member (35) extending in the circumferential direction is attached to a stationary-side seal ring (30); and the secondary seal member (35) is in contact, so as to be movable along the shaft direction of the rotating shaft (6), with the primary seal member (15) exposed to the inner circumferential surface of the seal cover (12).
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| JPS58135561 | 【考案の名称】メカニカルシ-ル |
Inventors:
SUEFUJI YOSHIHIRO (JP)
Application Number:
PCT/JP2012/072411
Publication Date:
April 18, 2013
Filing Date:
September 04, 2012
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
SUEFUJI YOSHIHIRO (JP)
SUEFUJI YOSHIHIRO (JP)
International Classes:
F16J15/34; F04B39/00; F04B53/00; F04D29/12
Domestic Patent References:
| WO2011111279A1 | 2011-09-15 |
Foreign References:
| JP2002048248A | 2002-02-15 | |||
| US5558341A | 1996-09-24 | |||
| US20070267819A1 | 2007-11-22 | |||
| JP2003531347A | 2003-10-21 |
Attorney, Agent or Firm:
MAEDA, Hitoshi et al. (JP)
Hitoshi Maeda (JP)
Hitoshi Maeda (JP)
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Claims: