Linear piezoelectric actuator with liner controlling...

Details Linear piezoelectric actuator with liner controlling... Linear piezoelectric actuator with liner controlling...

H - Electricity

04

R

310/2, 310/64

H04R 17/00 (2006.01) H02K 41/02 (2006.01)

Patent

CA 1066345

LINEAR PIEZOELECTRIC ACTUATOR WITH LINER CONTROLLING FRICTIONAL WEAR Abstract of the Disclosure An electromechanical actuator is described having a movable member, a first piezoelectric transducer imparting discrete displacements to second and third piezoelectric transducers which either grip the movable member and transmit to it the displacements or provided sliding bearing surfaces for the movable member. An inert liner is interposed between the second and third transducers and the movable member for reducing wear. Such an actuator is, for example, useful as a linear positioner requiring a high precision of travel and/or a high degree of uniformity of motion.

258792

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