Seal member for fluid transfer system
US8534642B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 2, 2010 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Feb 2, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86541
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The specification discloses a seal member for selectively completing a fluid passageway defined between an upstream member and a downstream member separated by an intermediate space, the seal member comprising an elongate stem portion dimensioned to be movably positionable in an opening defined through the upstream member between opposite first and second surfaces thereof, the elongate stem portion having provided at one end thereof a resiliency deformable, radially-extending flange and at the other end thereof a sealing face, and a fluid passageway defined through the stem portion between the flange and the sealing face. The flange is deformable under fluid pressure to increase the area of contact between the flange and the first surface of the upstream member and to simultaneously move the stem portion within the opening defined in the upstream member so as to bring the sealing face into sealing contact with an opposing surface of the downstream member across the intermediate space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.