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:
Dec. 31, 2013
Filed:
Aug. 22, 2008
Jean-jacques Derksema, Saint Quentin les Beaurepaire, FR;
Klaus Sterzelmeier, Müllheim/Feldberg, DE;
Jean-Jacques Derksema, Saint Quentin les Beaurepaire, FR;
Klaus Sterzelmeier, Müllheim/Feldberg, DE;
Alkan, Valenton, FR;
Institut Franco-Allemand de Recherches de Saint-Louis, Saint-Louis, FR;
Abstract
This device comprises an electromagnetic coil () in which there is able to slide a piston () which has at least a portion made of a material having paramagnetic susceptibility and which is placed in contact with the mechanical member when the drive device () is in the rest state. Electrical energy supply means are provided in order to store electrical energy and to abruptly release this energy into the coil and thus apply the high-energy magnetic movement pulse to the mechanical member. According to the invention, the piston () comprises a stack () of blocks () which are made alternately from the material having paramagnetic susceptibility and an insulating material; and the electrical energy supply means are provided in order to allow the energy to be applied to the coil in the form of a series of electrical pulses which appear as the piston () moves.