Method and apparatus for adjusting force to change or modify...

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

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F15B 15/20 (2006.01) F15B 21/00 (2006.01) H02K 7/14 (2006.01)

Patent

CA 2221655

A method and apparatus for modifying the amount of energy required to move an actuator includes the use of at least one adjuster to help decrease the static load created by an actuable element to be moved by the actuator. The adjuster may include, for example, a pneumatic cylinder, a spring, a resilient material or a flexible bag. Preferably, the adjuster is configured to support the load at a midpoint along the range of motion of the actuator without any force from the actuator to thereby decrease the static load and balance the load to which the actuator is subjected.

Cette invention concerne une méthode et un dispositif de réglage de la quantité d'énergie nécessaire pour déplacer un actionneur. L'invention fait appel à au moins un compensateur servant à atténuer l'inertie de l'élément à être mû par l'actionneur. Le compensateur peut prend la forme, par exemple, d'un vérin pneumatique, d'un ressort, d'un élément élastique ou d'une vessie. De préférence, le compensateur est configuré de manière à absorber la charge à mi-chemin de la course de l'actionneur et avant que celui-ci ne soit sollicité, ce qui a pour effet de réduire la charge d'inertie et à équilibrer la résistance que l'actionneur doit vaincre.

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