Title:
SEALING DEVICE, SEALING STRUCTURE, AND ASSEMBLY METHOD FOR SEALING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2024/019086
Kind Code:
A1
Abstract:
A sealing device 40 that is assembled between a cylindrical housing 20 and a rotor 30 that is arranged coaxially inside the housing 20 and rotates about an axis, the sealing device 40 comprising: a first seal part 50 having a main body portion 51 along an outer diameter portion 32a of the rotor 30, the first sealing part 50 including a port portion 51p that penetrates the main body portion 51 in the radial direction, and a groove portion 54 formed in an outer peripheral surface 51b of the main body portion 51, the groove portion 54 having a groove bottom 54a parallel to the outer peripheral surface 51b and being formed so as to surround the port portion 51p when viewed from the radial outer circumferential surface 51b side; and a second seal part 60 that is mounted on the groove portion 54 so as to be in contact with the groove bottom 54a and seals between the housing 20 and the first seal part 50, the second seal part 60 having a bending portion 62 that can be bent during assembly.
Inventors:
NAKAYAMA KENICHI (JP)
Application Number:
PCT/JP2023/026414
Publication Date:
January 25, 2024
Filing Date:
July 19, 2023
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F16J15/18; F16J15/24; F16J15/3204; F16J15/3232
Domestic Patent References:
| WO2018108282A1 | 2018-06-21 |
Foreign References:
| US20160201811A1 | 2016-07-14 | |||
| JPS54136425A | 1979-10-23 | |||
| JP2004176886A | 2004-06-24 | |||
| CN108708985A | 2018-10-26 |
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
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