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Title:
SEAL STRUCTURE FOR COOLING TREATMENT APPARATUS OR MULTICHAMBER HEAT TREATMENT APPARATUS, AND FOR THE SEAL STRUCTURE, METHOD OF PRESSURE REGULATION AND METHOD OF OPERATING
Document Type and Number:
WIPO Patent Application WO/2007/113920
Kind Code:
A1
Abstract:
A shaft seal structure suitable for a rotary shaft passing through a wall of pressure vessel, comprising O rings disposed in an area where a wall of pressure vessel for hermetically enclosing of high-pressure gas and a rotary shaft passing through the vessel wall fit with each other at at least two positions along the axial direction of the rotary shaft, and comprising a grease pressurized within a space defined by the rotary shaft, the vessel wall and the O rings.

Inventors:
KATSUMATA, Kazuhiko (1-1 Toyosu 3-chom, Koto-ku Tokyo 10, 1358710, JP)
Application Number:
JP2006/307359
Publication Date:
October 11, 2007
Filing Date:
April 06, 2006
Export Citation:
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Assignee:
IHI Corporation (1-1 Toyosu 3-chome, Koto-ku Tokyo, 10, 1358710, JP)
株式会社IHI (〒10 東京都江東区豊洲三丁目1番1号 Tokyo, 1358710, JP)
International Classes:
F16J15/16; F27D7/06; F27D9/00
Foreign References:
JP2005029872A
JP2001132847A
JPH0547798U
JPS6225799U
JPS559293U
JPH05296352A
JP2005029872A
JPH0542482A
Other References:
See also references of EP 2006582A2
Attorney, Agent or Firm:
SHIGA, Masatake et al. (2-3-1, Yaesu Chuo-k, Tokyo 53, 1048453, JP)
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