Microvalve having magnetic wax plug and flux control method using magnetic wax
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United States of America Patent
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Jan 25, 2011
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N/A
app pub date -
Nov 25, 2008
filing date -
Apr 2, 2005
priority date (Note) -
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Abstract
Provided is a microvalve having a magnetic wax plug which includes a micro fluidic structure having an inlet portion and an outlet portion, a magnetic wax plug provided at a predetermined section where the inlet portion and the outlet portion meet, existing in a solid state, melted at a temperature higher than a predetermined temperature, and reversibly moving along a magnetic field, so as to control flux of a fluid through the micro fluidic structure, a heating portion provided corresponding to the section and heating the magnetic wax plug to be melted, and a magnetic field application portion selectively applying a magnetic field to a position where the melted magnetic wax plug arrives.
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