The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1998
Filed:
Jan. 30, 1997
Applicant:
Inventor:
David Chatellard, Saint Gervais Les Bains, FR;
Assignee:
Figest BV, , NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H02N / ;
U.S. Cl.
CPC ...
310328 ; 310323 ; 310369 ;
Abstract
Traveling-wave piezoelectric motor comprising at least one stator (1, 2) consisting of an annular body with which are associated two groups of piezoelectric elements (3, 4) in the form of rods in permanent contact with the stator and with a connector (7) for their excitation, and a rotor (12, 13). The rods (3, 4) are housed in a drum (5, 6) made of an insulating material whose holes have a constriction (24) for holding the rods.