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A Latchable High-pressure Composite Valve Actuator Combining Paraffin and a Low Melting Point Alloy
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology. (ÅSTC)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology. (ÅSTC)
2011 (English)In: Solid-State Sensors, Actuators and Microsystems Conference (TRANSDUCERS), 2011 16th International, Beijing, China, 2011, 474-477 p.Conference paper, Published paper (Refereed)
Abstract [en]

This work presents a latchable valve microactuator for use in high-pressure environments, for instance deep-sea sampling in missions of long duration. Mounted on a minisubmersible, it can be used in confined spaces, earlier virtually unreachable. However, the device can be used in any high-pressure application where long open and/or closed times are required, and power supply is an issue. The actuator is fabricated using standard batch-processes as photochemical machining, wet etching and lithography. Focus of this work is on the endurance of the actuator to facilitate a bistable valve. The actuator managed to keep a deflected position for almost 50 hours at 1.8 MPa applied pressure, after which the experiment was aborted.

Place, publisher, year, edition, pages
2011. 474-477 p.
Keyword [en]
Fluid control, actuator, bistable, steel
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Microsystems Technology
Identifiers
URN: urn:nbn:se:uu:diva-163023DOI: 10.1109/TRANSDUCERS.2011.5969610OAI: oai:DiVA.org:uu-163023DiVA: diva2:462469
Conference
Int. Conf. on Solid-State Sensors, Actuators and Microsystems
Available from: 2011-12-07 Created: 2011-12-07 Last updated: 2016-04-20

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Ogden, SamJonsson, JonasHjort, KlasThornell, Greger

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