Shape memory alloy actuated valve assembly
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United States of America Patent
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Jul 21, 2015
Grant Date -
Apr 17, 2014
app pub date -
Jun 26, 2012
filing date -
Jun 27, 2011
priority date (Note) -
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Abstract
A valve assembly (100) is provided. The valve assembly (100) comprises a housing (102) including a plurality of fluid couplings (103, 104a-104d). The valve assembly (100) further includes two or more valve members (107a-107d) movable within the housing (102) between a first position and a second position. A shape memory alloy element (108) is coupled to the two or more valve members (107a-107d) to independently actuate each of the two or more valve members (107a-107d) between the first and second positions upon heating a selected portion of the shape memory alloy element (108) above a transformation temperature.
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