Fluid side contamination exclusion sealing lip for radial shaft seals
US6029980A · kind A · utility
19Cited by
15References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1997 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Sep 18, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/322
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A radial shaft seal for use on a shaft, said radial shaft seal including a rigid insert generally having a L-shaped cross section. The shaft seal including a circumferential seal body molded around the insert. The shaft seal further including an exclusion lip integral with the seal body, the exclusion lip having a venting mechanism. The venting mechanism allows fluid transfer into the primary sealing lip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.