ACTUATOR DEVICE USING SHAPE MEMORY ALLOY ELEMENT

An actuator device (100) comprising a shape memory alloy, SMA, element (101) configured to transition between an expanded state (201) and a contracted state (202); an actuation member (103) coupled to the SMA element (101) to displace between a first position (251) and a second position (252) when t...

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Bibliographische Detailangaben
Hauptverfasser:	Samain, Maxime, Nicola, Stefano
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER SPRING, WEIGHT, INERTIA OR LIKE MOTORS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	An actuator device (100) comprising a shape memory alloy, SMA, element (101) configured to transition between an expanded state (201) and a contracted state (202); an actuation member (103) coupled to the SMA element (101) to displace between a first position (251) and a second position (252) when the SMA element (101) transitions between the expanded state (201) and the contracted state (202); an elastic element (105) configured to bias the SMA element (101) towards the expanded state (201); and a locking element (104) configured to selectively lock the actuation member (103) in the first position (251) when the SMA element (101) is in the expanded state (201).