Motor having flux-concentrating permanent magnets
AssigneeGEC Alsthom SA
InventorsAlain Cuenot, Bouziane Bendahmane
Life of this patent
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Abstract
A motor having flux-concentrating permanent magnets, the motor including a stator with windings and a rotor including a shaft, a sleeve surrounding the shaft for holding rotor laminations, and permanent magnets. The motor being characterized in that said sleeve is constituted by unitary sleeves (2) separated by disks (5), the sleeves and the disks being clamped together by tie bars (6) connected to at least one end cheek plate (7) which is fixed to the shaft (1).
Claims8
In a motor comprising flux-concentrating permanent magnets, a stator with windings and a rotor comprising a shaft, a sleeve surrounding the shaft, holding rotor laminations and said permanent magnets being supported by said rotor laminations, the improvement wherein said sleeve is constituted by a plurality of axially aligned unitary sleeves (2) abutting and separated by disks (5), and tie bars (6) connected to at least one end cheek plate (7) fixed to the shaft (1) clamping the sleeves and disks together.
Dependencies are inferred from the claim text.