F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 13/042 (2006.01) F16K 31/00 (2006.01) H01L 41/09 (2006.01)
Patent
CA 2443002
The invention relates to a device for displacing a moving part (3) along a longitudinal axis relative to a housing (2), said device being symmetrical about a plane extending longitudinally (30) relative to the moving part (3), the device comprising two structures (7) that are secured to said moving part (3) and elements of active material comprising at least two blocks (6a, 6b) extending between inside walls of each structure (7), with the elongation directions of the blocks being antisymmetrical about an axis (39) substantially perpendicular to the displacement axis of the moving part (3), wherein the structures are flexible and suitable for displacing the moving part by deforming as a function of the elongation of the blocks.
L'invention concerne un dispositif de déplacement d'une pièce (3) mobile selon un axe longitudinal par rapport à un boîtier (2), ledit dispositif étant symétrique par rapport à un plan longitudinal (30) à la pièce mobile (3), comportant deux structures (7) solidaires de ladite pièce mobile (3) et des éléments en matériau actif comportant au moins deux pavés (6a, 6b) s'étendant entre des parois internes de chaque structure (7), les sens d'élongation des pavés étant antisymétriques par rapport à un axe (39) sensiblement perpendiculaire à la direction de déplacement de la pièce mobile (3), caractérisé en ce que les structures sont flexibles et sont aptes a déplacer la pièce mobile par leur déformation en fonction de l'élongation des pavés.
Audren Jean Thierry
Mangeot Charles
Meleard Jerome
Merlet Etienne
Robic
Sagem Sa
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