Stator of a piezoelectric rotary motor and a piezoelectric rotary motor comprising such a stator.

摘要

The invention relates to a piezoelectric rotary motor stator of the type consisting of a body having a peripheral friction zone and a plurality of piezoelectric elements capable of generating a progressive wave of deformation of the friction zone. BR/ The body comprises a hub (4, 5) in which are housed the piezoelectric elements (6, 7) and a connection part (8, 9) between the hub (4, 5) and the friction zone ( 10, 11), this connecting portion (8, 9) being joined to the hub (4, 5) so as to form a lever arm which transmits, by amplifying them, the axial deformations of any piezoelectric element (6, 7) at the portion of the friction zone (10, 11) situated in the same angular sector as this piezoelectric element (6, 7).