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Patent Searching and Data


Title:
SEALING DEVICE AND ROTATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2014/087512
Kind Code:
A1
Abstract:
Provided is a sealing device that has a seal rotation body, and a seal stationary body disposed so as to have a gap in the radial direction with respect to the outer peripheral surface of the seal rotation body, and that is for suppressing the flow of a liquid between the seal rotation body and the seal stationary body. The seal stationary body has a plurality of holes on an inner surface facing the outer peripheral surface of the seal rotation body, and a groove in the circumferential direction of that inner surface. The seal rotation body has a first protrusion that projects towards the groove.

Inventors:
HASHIZUME Kei (6-22 Kan-on-Shin-machi 4-chome, Nishi-ku, Hiroshima-sh, Hiroshima 53, 〒7338553, JP)
Application Number:
JP2012/081618
Publication Date:
June 12, 2014
Filing Date:
December 06, 2012
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION (34-6, Shiba 5-chome Minato-k, Tokyo 14, 〒1080014, JP)
International Classes:
F16J15/44; F04B39/00; F04D29/08; F04D29/10; F16J15/40
Foreign References:
JP2008101614A2008-05-01
JPH0311178U1991-02-04
US20060237914A12006-10-26
JP2011226559A2011-11-10
JP2001123803A2001-05-08
JPS58191374A1983-11-08
JPS63110771U1988-07-16
EP2083200A12009-07-29
JP2012140944A2012-07-26
JP2012102831A2012-05-31
Other References:
See also references of EP 2913567A4
Attorney, Agent or Firm:
MORI Ryuichirou et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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