Pneumatic actuator

F - Mech Eng,Light,Heat,Weapons – 15 – B

Patent

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Details

F15B 15/10 (2006.01) B60N 2/44 (2006.01) B62D 35/00 (2006.01) F15B 11/20 (2006.01)

Patent

CA 2477306

The pneumatic actuator of the invention is constructed from a plate (1) that is for example level and is secured in a reference system (9). On the one side of the plate (1), a first web (2) of a highly resistant and poorly extensible woven textile is secured such as by gluing alongside several strips (3). A second web (4), which is preferably made from the same material, is applied to the first web (2) and connected to the first web (2) along the strips (3). Between the strips (3), bladders (7) made of an elastic plastic material are inserted in the loose portions of the first and the second web (2, 4), said bladders being closed on both sides and comprising one valve (8) each. The bladders (7) can be pressurized with compressed gas through said valves (8). This causes the second web (4) to arch, the thus generated forces effecting onto the plate (1) a bending moment that causes the latter to laterally bend away.

L'invention concerne un actionneur pneumatique composé d'une plaque plate (1) fixée dans un système de référence (9). D'un côté de la plaque (1), une premier ruban (2) constitué d'un tissu textile très résistant, à extensibilité réduite, est fixé le long de plusieurs bandes (3), par exemple par collage. Le premier ruban (2) reçoit un deuxième ruban (4) constitué de préférence du même matériau, relié au premier ruban (2) le long des bandes (3). Entre les bandes (3), les parties libres du premier et du deuxième ruban (2, 4) comportent des bulles (7) constituées d'un matériau élastique, fermées sur les deux côtés et présentant respectivement une soupape (8). Lesdites bulles (7) peuvent recevoir un gaz comprimé par l'intermédiaire de ces soupapes (8). Ainsi, le deuxième ruban (4) peut être courbé et les forces ainsi produites créent un moment de flexion sur la plaque (1) qui se plie latéralement.

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