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A Modular Heat-Shrink-Packaged Check Valve With High Pressure Shutoff.
- Source :
-
Journal of Microelectromechanical Systems . Oct2011, Vol. 20 Issue 5, p1163-1173. 11p. - Publication Year :
- 2011
-
Abstract
- A novel check valve featuring adhesiveless packaging in heat-shrink tubing and dual regulation of in-plane flow is presented. The modular design enables simple replacement of valve components to modify valve behavior and performance. The specific design is intended for low-profile fluidic applications requiring flow control, such as drug delivery devices. The heat-shrink packaging scheme is extremely robust and can withstand > 2000 mmHg (266.6 kPa) without leakage. Three different valve geometries were investigated and evaluated with theoretical and finite-element modeling analyses. Repeated flow regulation experiments on a fully packaged, hydrated valve demonstrated flow regulation between 25 and 2000 mmHg (3.33–266.6 kPa) and leak-free closure up to 500 mmHg (66.7 kPa) of reverse pressure with no observed stiction. The valve closing time constants were also determined.\hfill[2011-0064] [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10577157
- Volume :
- 20
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Journal of Microelectromechanical Systems
- Publication Type :
- Academic Journal
- Accession number :
- 66421225
- Full Text :
- https://doi.org/10.1109/JMEMS.2011.2163301