Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-05-02
1998-08-04
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310180, 310189, 310206, 310207, 310216, H02K 1742
Patent
active
057898413
ABSTRACT:
An axial airgap brushless motor including a rotor having a plurality of permanent magnet poles, and a stator having a plurality of conductor layers and a connecting layer for connecting the conductor layers. The motor is operated by exciting the conducting layers with three phase electric current. The current gives rise to conductor magnetic fields which interact with the rotating magnetic field of the permanent magnets. The magnets are spaced relative to one another to minimize the odd harmonics to thereby minimize torque ripple.
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Kollmorgen Corporation
Nguyen Tran N.
Stephan Steven L.
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