US Patent 7372178 Linear actuator or generator with rods
Patent 7372178 was granted and assigned to National Center for Scientific Research on May, 2008 by the United States Patent and Trademark Office.
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The invention concerns an electrical machine, whereof the active part includes a global solenoid winding (110, 210, 310) for each phase and includes, inside said winding(s), a stack of ferromagnetic or non-magnetic parts (400) and magnetized parts (500), the ferromagnetic or non-magnetic parts being provided with passages traversed each by at least one relatively sliding element (600), each sliding element constituting a succession of portions alternately magnetic (620) and non-magnetic (630), the passages formed in the ferromagnetic or non-magnetic parts of the stack forming orifices whereof the internal cross-section encloses each time one sliding element, the sliding elements (600) consisting in rods having each an outer periphery matching the internal cross-section of the traversed orifices.
US Patent 07372178 Linear actuator or generator with rods US Patent 7372178 Linear actuator or generator with rods
US Patent 07372178 Linear actuator or generator with rods
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