Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 5, 2011
Patent Application Number
12262750
Date Filed
October 31, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
An actuator for use in actuating a valve to control the flow of fluids through the valve, the valve having a valve member movable between positions opening and closing the valve. The actuator comprises one or more shape memory alloy elements each being transformable from a martensitic to an austenitic state by applying heat energy to achieve an austenitic transformation. The one or more shape memory alloy elements are connected to the valve member such that austenitic transformation of the one or more shape memory alloy elements induces movement of the valve member from its closing position to its opening position.
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