Selectively expandable and contractible barrier
US8157657B2 · kind B2 · utility
3Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2007 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Oct 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/927
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A barrier membrane assembly for sealing a constant velocity joint assembly includes at least one selectively expandable and contractible barrier membrane body. The barrier membrane body has no openings therethrough and may selectively expand and contract in response to operational pressures acting against the barrier membrane body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.