Invention Grant
- Patent Title: Sealing device
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Application No.: US15725667Application Date: 2017-10-05
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Publication No.: US10677291B2Publication Date: 2020-06-09
- Inventor: Mari Senda
- Applicant: NOK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NOK CORPORATION
- Current Assignee: NOK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Agent Daniel J. Sepanik, Esq.
- Main IPC: F16C33/80
- IPC: F16C33/80 ; F16J15/3232 ; F16J15/3264 ; F16C33/78

Abstract:
A sealing device including a sealing device main body 1 mounted on one of two members 101 that rotate relatively, and a seal flange mounted to the other of the two members 102. The sealing device main body 1 is provided with a structure provided with a seal lip 12 slidably connected to a seal flange 22, and a tube part 18 positioned further to the outer side than the seal lip 12. A labyrinth lip 15 is provided on the sealing device main body 1 positioned further to the outer side than the seal lip 12; and, the labyrinth lip 15 extends towards the radially opposite side to the tip end of the seal flange 22 facing the tube part 18 in a radial direction, as the tip end closely faces the seal flange 22 in an axial direction, and a labyrinth gap 3 is formed between the labyrinth lip 15 and the seal flange 22, and the tube part 18.
Public/Granted literature
- US20180135700A1 SEALING DEVICE Public/Granted day:2018-05-17
Information query