ACTUATOR
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United States of America Patent
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N/A
Issued Date -
Apr 3, 2014
app pub date -
Sep 27, 2013
filing date -
Sep 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An actuator having a housing, a connecting element, a shape memory element which changes shape when heated, a heating element and a heat conducting element. The shape memory element is configured in substantially elongate form and is arranged in the housing such that it displaces the connecting element when it changes shape. The heating element, when activated, heats the shape memory element. The heat conducting element is in contact with the shape memory element at least some of the time, at a contact surface which is larger than 0.1 times the total surface of the shape memory element. While in contact with the shape memory element, the heat conducting element bears at least partially displaceably against the latter and has a free surface which is not in contact with either the shape memory element or the heating element that is at least 1.6 times larger than its contact surface.
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