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:
May. 05, 2009
Filed:
Oct. 17, 2007
Norbert Beyrard, Divonne-les-Bains, FR;
Frank Claeyssen, Meylan, FR;
Ronan Le Letty, Grenoble, FR;
Francois Barillot, Le Versoud, FR;
Norbert Beyrard, Divonne-les-Bains, FR;
Frank Claeyssen, Meylan, FR;
Ronan Le Letty, Grenoble, FR;
Francois Barillot, Le Versoud, FR;
Other;
Abstract
The inventive circuit breaker-contactor () comprises a fixed contact, a contact () movable () with respect to the fixed contact between open and closed positions, means () for displacing the movable contact () in the closed position thereof, means () for displacing the movable contact in the open position. According to said invention, said circuit breaker-contactor comprises means () for locking the movable contact () in the closed position thereof, a piezo-electric actuator () deformable from a rest position to an operating position for displacing the locking means () in such a way that the movable contact () is enabled to be displaced to the open position by the means () for displacing to the open position and an electronic power supply and control unit () for feeding and controlling the piezo-electric actuator () deformation in the operating position for displacing the locking means () in such a way that the movable contact () is unlocked in response to an electric current detected by the fixed contact ().