Title:
LUBRICANT SEAL DEVICE AND ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/075587
Kind Code:
A1
Abstract:
A lubricant seal device according to the present disclosure is for holding, in an space between the lubricant seal device and a bearing device that is provided between a static-side member and a rotation shaft that is rotatable about an axis, a lubricant that is supplied to the bearing device, said lubricant seal device comprising a rotation-side seal member that that has a rotation-side annular part which protrudes to the outer circumference side and is provided to an outer circumferential surface of the rotation shaft, and a static-side seal member that has a static-side annular part which is opposite from the rotation-side annular part without contact, thereby forming a closed space, and is provided to the static-side member. One of the rotation-side annular part and the static-side annular part can be deformed to contact the other from the axial direction with pressure upon filling with a lubricant.
Inventors:
UMEDA AKIHIKO (JP)
KAWANO MASAYA (JP)
KAWANO MASAYA (JP)
Application Number:
PCT/JP2023/034850
Publication Date:
April 11, 2024
Filing Date:
September 26, 2023
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F16C33/80; F16C19/06; F16C33/66; F16J15/447
Foreign References:
| JPS5088446A | 1975-07-16 | |||
| JP2009287596A | 2009-12-10 | |||
| JP2006266451A | 2006-10-05 | |||
| JP2015218826A | 2015-12-07 | |||
| JP2010060127A | 2010-03-18 | |||
| JPS5525709U | 1980-02-19 | |||
| JP2014031877A | 2014-02-20 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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