Process for producing an electromagnetic subassembly for a...

H - Electricity – 02 – K

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H02K 1/04 (2006.01) B60L 13/03 (2006.01) E01B 25/32 (2006.01) H01F 27/245 (2006.01) H01F 41/02 (2006.01) H02K 15/02 (2006.01) H02K 41/02 (2006.01)

Patent

CA 2246310

The invention concerns a process for producing an electromagnetic subassembly in the form of a magnetic pole or of a stator packet of a long stator linear motor for a magnetic levitation railway. The subassembly contains a stack of sheets of a ferromagnetic material and at least one element. According to the invention, the stack of sheets is composed of crude magnetic steel sheets and positioned in a shaping mould. Then the sheets are covered with a hardenable mixture introduced into the mould and partially or totally hardened in a single work step and joined into a finished stack of sheets. In the same work step the stack of sheets is assembled with the element and the subassembly is provided with its final electrical, magnetic, mechanical and/or geometric features.

L'invention concerne un procédé de fabrication d'un module électromagnétique se présentant sous forme d'un pôle magnétique ou d'un ensemble de stators d'un moteur linéaire à stator long, destiné à un train à sustentation magnétique. Ce module comprend un empilage de tôle (8) réalisé dans un matériau ferromagnétique, et au moins un autre composant (12, 13, 14). Selon l'invention, l'empilage de tôle (8) est constitué de tôles magnétiques brutes et positionné dans un outil de formage. Ensuite, en une seule opération, les tôles sont enveloppées d'un mélange durcissable introduit dans l'outil de formage et durci de façon partielle ou totale, puis elles sont réunies pour former un empilage de tôle (8) fini. Au cours de la même opération, l'empilage de tôle (8) est assemblé avec le composant (12, 13, 14) et l'ensemble du module est doté de ses propriétés électriques, magnétiques, mécaniques et/ou géométriques définitives.

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