Electrical machine
Electrical machine, in particular an alternator for a motor vehicle, with a housing ( 4 ) and a rotor ( 10 ) that is supported, in the housing ( 4 ), in a manner that allows it to rotate around a rotation axis ( 12 ), the rotor having at least one rotor winding ( 14 ), a plurality of claw poles ( 17...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | Electrical machine, in particular an alternator for a motor vehicle, with a housing (
4
) and a rotor (
10
) that is supported, in the housing (
4
), in a manner that allows it to rotate around a rotation axis (
12
), the rotor having at least one rotor winding (
14
), a plurality of claw poles (
17
) disposed circumferentially, whereby adjacent claw poles (
17
) have axial claw overlap L
Ü
and permanent magnets (
28
) have axial magnet length L
M
, whereby at least one permanent magnet (
28
) is located between every two adjacent claw poles (
17
) and is magnetized so as to suppress leakage flux between the claw poles (
17
), wherein the following applies for the ratio of axial magnet length L
M
to axial claw overlap L
Ü
:L
M
/L
Ü
0.81. |
|---|