Shape changing structure

Details Shape changing structure Shape changing structure

F - Mech Eng,Light,Heat,Weapons

02

K

F02K 1/38 (2006.01) F02K 1/12 (2006.01) F02K 1/48 (2006.01)

Patent

CA 2584447

In one preferred embodiment, a structure is provided that includes a body having a first wall and a second wall. At least one appending component extends from an end of the body and includes a first skin and second skin. The structure additionally includes at least one actuator positioned within a cavity formed in the body first wall and the appending component second skin. The actuator includes at least one shape memory alloy (SMA) wire adapted to constrict when activated to move the first skin of the appending component from a first position to a second position.

Dans un mode de réalisation préféré de l~invention, il est proposé une structure qui comprend un corps composé d~une première et d~une seconde paroi. Au moins un composant annexé s~étend à partir d~une extrémité du corps et comprend une première et une seconde enveloppe. La structure comprend en outre au moins un actionneur positionné à l~intérieur d~une cavité formée dans la première paroi du corps et la seconde enveloppe du composant annexé. L~actionneur comprend au moins un fil d~alliage à mémoire de forme (SMA) conçu pour s~étrangler une fois activé de manière à déplacer la première enveloppe du composant annexé d~une première position à une seconde position.

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