ACTUATOR FOR GENERATING POSITIONING MOVEMENTS
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United States of America Patent
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Issued Date -
Dec 18, 2014
app pub date -
Sep 28, 2011
filing date -
Sep 28, 2011
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Abstract
The invention relates to an actuator for generating positioning movements by means of shape memory elements, comprising a housing on which an actuation element that carries out positioning movements in conjunction with shape memory elements is arranged, and means for adjusting and altering the positioning movement of the actuator, wherein a modular actuator has an actuation element (2) that is arranged on a housing (1) and carries out longitudinally guided positioning movements. The actuation element (2) is coupled to two shape memory elements (7, 8) in such a manner that when a transition temperature is exceeded the first shape memory element (7) generates a translatory or rotational positioning movement of the actuation element (2) and the second shape memory element (8) generates an adjustable return movement of the actuation element (2).
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