Title:
SEALING DEVICE, SEALING STRUCTURE, AND SEALING STRUCTURE ASSEMBLY METHOD
Document Type and Number:
WIPO Patent Application WO/2024/019087
Kind Code:
A1
Abstract:
A sealing device 640 is assembled between a cylindrical housing 20 and a rotor 30 that is disposed coaxially on the inner side of the housing 20 and rotates about the axis. The sealing device 640 includes: a first sealing part 650 having a body portion 51 extending along an outer diameter portion 32a of the rotor 30, the first sealing part 650 having a port portion 51p that penetrates through the body portion 51 in the radial direction, and a groove portion 654 formed on an outer peripheral surface 51b of the body portion 51 so as to surround the port portion 51p when viewed from the outer peripheral surface 51b side in the radial direction, the groove portion 654 having a pair of inclined surfaces 654b opening toward the housing 20 side; and a second sealing part 660 that is mounted in the groove portion 654 and seals the space between the housing 30 and the first sealing part 50, the second sealing part 660 contacting the pair of inclined surfaces 654b.
Inventors:
NAKAYAMA KENICHI (JP)
Application Number:
PCT/JP2023/026416
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
Foreign References:
| US20080142752A1 | 2008-06-19 | |||
| CN112728153A | 2021-04-30 | |||
| US5676348A | 1997-10-14 | |||
| JPH04111903U | 1992-09-29 |
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
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