Rotor for permanent magnet motor

Details Rotor for permanent magnet motor Rotor for permanent magnet motor

2008-04-08

2010-10-05

Nguyen, Tran N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156530, C310S156560, C310S216048

Reexamination Certificate

active

07808147

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.

REFERENCES:
patent: 5463262 (1995-10-01), Uchida
patent: 5886441 (1999-03-01), Uchida et al.
patent: 6437474 (2002-08-01), Chu
patent: 2006/0163967 (2006-07-01), Yamamoto et al.
patent: 10100717 (2002-07-01), None
patent: 01146773 (1989-06-01), None
patent: 04255439 (1992-09-01), None
patent: 2000156946 (2000-06-01), None

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