H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 1/18 (2006.01) H02K 1/14 (2006.01) H02K 1/27 (2006.01) H02K 7/18 (2006.01) H02K 16/04 (2006.01)
Patent
CA 2712677
An electromagnetic device (10) has a stator (16, 20a, 20b, 18, 22a, 22b) and a rotor (12) rotating between facing surfaces of the stator (16, 20a, 20b, 18, 22a, 22b) and bearing a plurality of magnets (14) distributed at regular intervals along its periphery. The magnets are so arranged that they form a sequence of alternately opposite poles on the surfaces of the rotor (12) directed towards the stator (16, 20a, 20b, 18, 22a, 22b), and the stator (16, 20a, 20b, 18, 22a, 22b) comprises two sets of independently supported magnetic yokes (16, 18) located at both sides of the rotor (12) in front of the magnets (14). The magnetic yokes (16, 18) have two axially oriented arms, the end surfaces of which, in static conditions of the rotor, at least partly face a pair of successive magnets (14) on a same surface of the rotor (12).
La présente invention se rapporte à un dispositif électromagnétique (10) comportant un stator (16, 20a, 20b, 18, 22a, 22b) et un rotor (12) tournant entre les surfaces opposées du stator (16, 20a, 20b, 18, 22a, 22b) et portant une pluralité d'aimants (14) répartis à intervalles réguliers répartis le long de sa périphérie. Les aimants sont disposés de manière à former une séquence de pôles alternativement opposés sur les surfaces du rotor (12) orientées vers le stator (16, 20a, 20b, 18, 22a, 22b), et le stator (16, 20a, 20b, 18, 22a, 22b) comprend deux jeux de culasses magnétiques soutenues de façon indépendante (16, 18) situés des deux côtés du rotor (12) devant les aimants (14). Les culasses magnétiques (16, 18) comportent deux bras orientés axialement, dont les surfaces d'extrémité, quand le rotor est dans un état statique, font face, au moins en partie, à une paire d'aimants successifs (14) sur une même surface du rotor (12).
Avio S.p.a.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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