Sealing device for sealing an annular space between two machine elements which are rotatable in relation to each other
US5172917A · kind A · utility
11Cited by
13References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1991 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | Apr 29, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/944
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing device for sealing an annular space between two machine elements (2, 4) rotatable in relation to each other, comprising an elastic material sealing ring (8) and a counterface (36) engaged by a sealing lip (14) of the sealing ring. The sealing ring (8) has a main body (12) received in a groove (22) in one of the machine elements (2). The main body (12) of the sealing ring has, at least one of two side surfaces of the groove (22), at least one annular projection (18) engaging the opposite side surface of the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.