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patent

Piezoelectric actuator with passive gap for push-pull motion

Bergander, Arvid
•
Breguet, Jean-marc
•
Varidel, Thierry
2004

The invention relates to a Stick-Slip piezoelectric actuator comprising a piezoelectric element with active zones and passive zones, said active zones being transversally deformable by applying different voltages, said passive zones not being actively deformable, characterized by the fact that said piezoelectric element is designed to have at least one zone working in contraction against at least one zone working in expansion, in such a way that both of said working zones may perform a push-pull motion.

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Type
patent
EPO Family ID

32913646

Author(s)
Bergander, Arvid
•
Breguet, Jean-marc
•
Varidel, Thierry
Note

Alternative title(s) : (fr) Dispositif d'actionnement piezo-electrique a trou passif pour un mouvement de pousser-tirer

TTO classification

TTO:6.0378

EPFL units
LSRO  
AVP-R-TTO  
DOICountry codeKind codeDate issued

WO2004077584

WO

A1

2004-09-10

AU2004214910

AU

A1

2004-09-10

Available on Infoscience
September 22, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/118392
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