Transverse flux electrical machine with segmented core stator

Details Transverse flux electrical machine with segmented core stator Transverse flux electrical machine with segmented core stator

H - Electricity

02

K

H02K 1/06 (2006.01) H02K 1/28 (2006.01) H02K 15/00 (2006.01) H02K 21/12 (2006.01)

Patent

CA 2608470

The invention relates to a transverse flux electrical machine, comprising a rotor and a stator The rotor has magnets, angularly adjacent magnets having magnetic polarizations of opposite directions The stator has a plurality of magnetic cores annularly disposed along the stator Each core comprises a U- shaped part and a magnetic foot The U-shaped part is disposed such that its open side faces the air gap between the rotor and the stator and that a segment of a magnetic flux circulating in the U-shaped part is substantially parallel to the rotation axis The magnetic foot is assembled to the U-shaped part such that it is contiguous to the air gap The magnetic foot is made of a material comprising powder magnetic material that is compacted under high pressure while the U-shaped part comprises a pile of magnetic metal sheets The magnetic foot provides a magnetic pole An electrical conductor coil is disposed in the interior area of all of the U-shaped parts

L~invention concerne une machine électrique à flux transversal, comprenant un rotor et un stator. Le rotor possède des aimants, des aimants adjacents de manière angulaire ayant des polarisations magnétiques de direction opposée. Le stator possède une pluralité de noyaux magnétiques disposés de façon annulaire le long du stator. Chaque noyau comprend une pièce en forme de U et un pied magnétique. La pièce en forme de U est disposée de telle sorte que son côté ouvert soit opposé à l~entrefer entre le rotor et le stator et qu~un segment de flux magnétique circulant dans la pièce en forme de U soit sensiblement parallèle à l~axe de rotation. Le pied magnétique est assemblé avec la pièce en forme de U pour rester contigu à l~entrefer. Le pied magnétique est constitué d~un matériau contenant un matériau magnétique en poudre, compacté à haute pression tandis que la pièce en forme de U comprend une pile de feuilles de métal magnétique. Le pied magnétique fournit un pôle magnétique. Une bobine conductrice électrique est disposée dans la zone intérieure des pièces en forme de U.

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