Arrangement for attaching a magnet to a rotor, and a rotor

Details Arrangement for attaching a magnet to a rotor, and a rotor Arrangement for attaching a magnet to a rotor, and a rotor

H - Electricity

02

K

H02K 1/27 (2006.01)

Patent

CA 2761303

In an arrangement in accordance with the invention for attaching a permanent magnet to an electrical machine's rotor, the rotor (1) comprises at least two magnetic poles (2), and there is a pole gap (13) between two magnetic poles (2). Permanent magnets (4) are installable on the surface of the magnetic core (3). A pole piece (5) is installable on the permanent magnet (4) side facing the air gap (6). There is fixing means (9a-b) on the sides (8) of the pole piece (5) facing the pole gap (13) for attaching the pole piece (5) to the rotor (1) using the locking parts (10a-g), and the fixing means (9a-b) are connected to the pole piece (5) through an articulated joint.

La présente invention concerne un agencement pour attacher un aimant permanent à un rotor de machine électrique, le rotor (1) comprenant au moins deux pôles magnétiques (2), avec un entrefer (13) entre les deux pôles magnétiques (2). Des aimants permanents (4) peuvent être installés sur la surface du noyau magnétique (3). Une pièce polaire (5) peut être installée sur le côté de l'aimant permanent (4) faisant face à l'entrefer (6). Des moyens de fixation (9a-b) sont disposés sur les côtés de la pièce polaire (5) faisant face à l'entrefer (13) pour attacher la pièce polaire (5) au rotor (1) en utilisant les parties verrouillage (10a-g), ces moyens de fixation (9a-b) étant raccordés à la pièce polaire (5) via un joint articulé.

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