Permanent magnet rotor electrical synchronous machine with...

Details Permanent magnet rotor electrical synchronous machine with... Permanent magnet rotor electrical synchronous machine with...

2005-04-12

2005-04-12

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S193000, C310S179000

Reexamination Certificate

active

06879079

ABSTRACT:
In order to achieve high machine utilization with the magnetic fields having an approximately sinusoidal profile, an electrical synchronous machine is proposed having the following features:a stator and a rotor with the stator having a three-phase winding (3) and the rotor being fitted with permanent magnets,the three-phase winding (3) is arranged in slots in the stator,the slots in the stator are formed by essentially axially running teeth (7, 8) which have at least two different tooth pitch widths τzband which are arranged alternately in the circumferential direction of the stator, with their number in each case being identical,only the teeth (7) with a tooth pitch width which is greater than other teeth (8) are at least partially surrounded by a winding (3).

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European International Search Report, Dec. 2, 2002.

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