Extrusion resistant hydrodynamically lubricated rotary shaft seal
US6120036A · kind A · utility
64Cited by
1References
26Claims
0Family size
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Key dates
| Filing date | Jan 27, 1998 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Jan 27, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/926
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydrodynamically lubricated interference type rotary shaft seal suitable for environmental exclusion and high pressure lubricant retention which incorporates composite multiple modulus construction and a non-planar flexible environmental edge heel geometry which cooperate to resist high pressure extrusion damage while minimizing interfacial contact pressure and accommodating radial shaft motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.