SEAL STRUCTURE FOR COOLING TREATMENT APPARATUS OR MULTICHAMBER HEAT TREATMENT APPARATUS, AND FOR THE SEAL STRUCTURE, METHOD OF PRESSURE REGULATION AND METHOD OF OPERATING

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.

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JP4333507	Turbocharger seal structure

Inventors:

KATSUMATA KAZUHIKO (JP)

Application Number:

PCT/JP2006/307359

Publication Date:

October 11, 2007

Filing Date:

April 06, 2006

Export Citation:

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Assignee:

IHI CORP (JP)
KATSUMATA KAZUHIKO (JP)

International Classes:

F16J15/16; F27D7/06; F27D9/00

Foreign References:

JP2005029872A	2005-02-03
JP2001132847A	2001-05-18
JPH0547798U	1993-06-25
JPS6225799U	1987-02-17
JPS559293U	1980-01-21
JPH05296352A	1993-11-09
JP2005029872A	2005-02-03
JPH0542482A	1993-02-23

Other References: