Magnet holder for permanent magnet rotors of rotating machines

Details Magnet holder for permanent magnet rotors of rotating machines Magnet holder for permanent magnet rotors of rotating machines

H - Electricity

02

K

H02K 1/27 (2006.01) H02K 15/03 (2006.01) H02K 41/03 (2006.01)

Patent

CA 2631063

A rotating machine with a permanent magnet rotor that is easier, lower cost, and lighter includes a plurality of permanent magnet assemblies (20) mounted on a rotor body (1) . The magnet assemblies (20) are mounted via magnet holders that each include' a pair of claws (2, 3) connected by a bridge (5) and forming a seat for a respective magnet assembly (20) . The claws have terminal expansions (11) that extend beyond the bridge (5) and form a second seat in which a tightening section (9) is received. The claws (2, 3) can elastically pivot about the bridge (5) when the terminal expansions (11) are squeezed together or forced apart, allowing insertion of and securing the magnet assembly, respectively.

Machine rotative pourvue d'un rotor à aimants permanents dont la fabrication est plus facile, qui est moins onéreux et qui est plus léger, qui comporte une pluralité d'ensembles à aimant permanent (20) montés sur le corps (1) du rotor. Les ensembles à aimant (20) sont montés à l'aide de porte-aimants comportant chacun une paire de griffes (2, 3) couplées par un pont (5) et formant un siège pour un ensemble à aimant respectif (20). Les griffes possèdent des parties terminales en saillie (11) qui s'étendent au-delà du pont (5) et forment un second siège dans lequel est reçue une partie de serrage (9). Les griffes (2, 3) peuvent pivoter élastiquement autour du pont (5) lorsque les parties terminales en saillie (11) sont comprimées l'une vers l'autre ou éloignées l'une de l'autre, ce qui permet respectivement l'introduction de l'ensemble à aimant et la retenue dudit ensemble.

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