Discoidal dynamo-electric machine

Details Discoidal dynamo-electric machine Discoidal dynamo-electric machine

H - Electricity

02

K

H02K 29/00 (2006.01) H02K 1/12 (2006.01) H02K 1/27 (2006.01) H02K 3/47 (2006.01) H02K 21/24 (2006.01) H02K 23/54 (2006.01) H02K 27/26 (2006.01) H02K 29/06 (2006.01) H02K 29/08 (2006.01) H02K 37/08 (2006.01)

Patent

CA 2147653

A discoidal dynamo-electric machine has a discoidal stator (303) carrying a plurality of meandering copper windings (301, 302) embedded in a substrate having a magnetic permeability of less than 20, relative w air, and a discoidal rotor (305) mounted on a central shaft so that the rotor can be positioned close to and rotates in a plane parallel to that of the stator (303). The rotor has a circular away of permanent magnets (307, 308) mounted on a backing plate of mild steel, the magnets being strontium-ferrite magnets and each has a trapezoidal or sector shape, with the magnets being closely spaced around the rotor to provide a series of closely opposed and alternating permanent magnetic poles.

Machine dynamoélectrique discoïde possédant un stator discoïde (303) portant une pluralité d'enroulements méandreux (301, 302) en cuivre noyés dans un substrat dont la perméabilité magnétique est inférieure à 20, par rapport à l'air, ainsi qu'un rotor discoïde (305) monté sur un arbre central afin que le rotor puisse se placer à proximité du stator (303), et tourner dans un plan parallèle à celui dudit stator. Le rotor possède un certain nombre d'aimants permanents (307, 308) disposés en cercle et montés sur une plaque de base en acier doux, ces aimants étant des aimants en ferrite de strontium de forme trapézoïdale ou en forme de secteur, lesdits aimants étant proches les uns des autres autour du rotor de manière à former une succession de pôles magnétiques permanents alternés et contigus.

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