Invention Grant
US07808147B2 Rotor for permanent magnet motor 有权
永磁电机转子

Rotor for permanent magnet motor
Abstract:
A rotor (3) for a permanent magnet motor has a is rotatable around an axis of rotation (A) and has a plurality of axially extending permanent magnets (6) which are offset circumferentially in a symmetrical manner and arranged, respectively, in receptacles (16) of a yoke (7) which is assembled from axially stacked sheet lamellas (10), with the sheet lamellas (10) each having a coaxial inner hole (9), at least a first recess (8a) which is open toward the inner hole (9), and one second recess (8b) which is closed toward the inner hole (9), and with the lamellas being formed in a rotationally symmetrical manner so as to be offset at least by a phase angle, with at least two sheet lamellas (10) being oriented so as to be offset relative to one another by half of the phase angle.
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