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Patent Searching and Data


Title:
SEALING DEVICE AND ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/194677
Kind Code:
A1
Abstract:
A sealing device for minimizing leakage of a fluid flowing through an annular gap between a stationary member and a rotating member of a rotating machine comprises an annular fixed fin provided to the annular gap, and an annular movable fin provided axially adjacent to the fixed fin in the annular gap, the movable fin having a greater coefficient of thermal expansion than the fixed fin and being fixed to the fixed fin only in a fixing area on the proximal-end side of the movable fin.

Inventors:
KUWAMURA YOSHIHIRO (JP)
OYAMA HIROHARU (JP)
TANAKA YOSHINORI (JP)
SUGISHITA HIDEAKI (JP)
Application Number:
PCT/JP2016/065169
Publication Date:
December 08, 2016
Filing Date:
May 23, 2016
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F16J15/453; F01D11/02; F01D11/16; F01D25/00; F02C7/28
Foreign References:
JP2009085256A2009-04-23
JPH0175664U1989-05-23
JPS6021502U1985-02-14
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P. C. (JP)
誠真 IP patent business corporation (JP)
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