Title:
ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/121207
Kind Code:
A1
Abstract:
A rotary machine is provided with a seal device capable of limiting fluid flow through the gap between at least one stationary member and at least one rotating member. The seal device is provided with: a pressure loss body mounted to the stationary member; a first non-contact seal protruding from the rotating member toward the pressure loss body and facing the pressure loss body with a first gap therebetween; a second non-contact seal protruding from the stationary member toward the rotating member, the second non-contact seal facing the rotating member with a second gap therebetween and located on one side of the pressure loss body in the direction of the fluid flow; and a contact seal protruding from the stationary member toward the rotating member and located downstream of both the pressure loss body and the second non-contact seal in the direction of the fluid flow.
Inventors:
ARAKI MASATO (JP)
OKABE YOSHIYUKI (JP)
MITO RYOSUKE (JP)
TAKAMURA KEITA (JP)
HASHIMOTO SHINYA (JP)
OKABE YOSHIYUKI (JP)
MITO RYOSUKE (JP)
TAKAMURA KEITA (JP)
HASHIMOTO SHINYA (JP)
Application Number:
PCT/JP2015/082660
Publication Date:
August 04, 2016
Filing Date:
November 20, 2015
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F16J15/447; F01D11/00; F01D11/02; F02C7/28; F16J15/16; F16J15/22; F16J15/44; H02K5/124
Foreign References:
JP2014066134A | 2014-04-17 | |||
JP2011085138A | 2011-04-28 | |||
JP2014141912A | 2014-08-07 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P. C. (JP)
誠真 IP patent business corporation (JP)
誠真 IP patent business corporation (JP)
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