AMPLIFYING PIEZOELECTRIC ACTUATOR OF INCREASED POSITIONAL ACCURACY Russian patent published in 2017 - IPC H02N2/02 

FIELD: electricity.

SUBSTANCE: in an amplifying piezoelectric actuator containing a working movable link, linear piezoelectric elements in the form of piezoelectric packs, the movable link is made in the form of a frame with cutouts, inside of which a base in the form of a plate with four vertical supports is located. Four piezoelectric packs are pressed between elements of elastic frame and four vertical supports. Two medium piezoelectric packs are pressed by a L-shaped rod and can counter-move.

EFFECT: improved linearity, positional accuracy, loading pressure, reliability and manufacturability of production, reduced dimensional specifications.

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