Permanent-magnet synchronous motor

Details Permanent-magnet synchronous motor Permanent-magnet synchronous motor

2004-08-26

2008-12-16

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07466055

ABSTRACT:
In a combination of, for example, a rotor having eight magnetic poles and a stator having twelve slots and pulsating components of permeance, which generate a sinusoidal cogging torque having maxima of the same number as the number of poles of the rotor, pressurizing parts arranged in predetermined positions applying a force at an outer periphery of the stator directed inwardly to cancel the pulsating components of the cogging torque.

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Daikoku et al., “Cogging Torque Examination in Permanent Magnet Motors with Stressed Stator Core”, The papers of Technical Meeting on Rotating Machinery IEE Japan, RM 03-152, pp. 13-18.
Daikoku et al., “Cogging Torque Examination in Permanent Magnet Motors with Stressed Stator Core”, The papers of Technical Meeting on Rotating Machinery IEE Japan, RM 03-152, pp. 13-18, Nov. 20, 2003.

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