Sealing device
US9638324B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2013 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Jul 25, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/4476
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention provides a sealing device constructed by combination of a slinger and a lip member, the sealing device being capable of improving a sealing performance, particularly a sealing performance against external dusts. In order to achieve the object, in a sealing device having a slinger which is installed to one member among relatively rotating two members, a lip member which is installed to the other member, and structured such that the slinger integrally has a tubular portion which is fitted to the one member and a flange portion which extends in a diametrical direction, and the lip member having an end face lip which slidably comes into close contact with the flange portion, a bent portion protruding in an axial direction toward the lip member is provided in the flange portion, and a labyrinth structure having a minute gap is provided between the bent portion and the lip member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.