Brushless direct current motor and driving unit thereof
AssigneeDelta Electronics, Inc.
InventorsYen-Hung Wu, Tsung-Jung Hsieh, Yueh-Lung Huang
Life of this patent
Estimating the term…
Abstract
A brushless direct current (DC) motor includes a rotor, a stator and a driving unit. The rotor includes a plurality of magnetic poles. The stator includes a plurality of upper pole arms and a plurality of lower pole arms. The driving unit includes at least two coils wound on the upper pole arms and the lower pole arms respectively, and the driving unit generates an alternating magnetic field on the stator for driving the rotor.
Claims20
A brushless direct current (DC) motor, comprising:
- a rotor, the rotor comprising a plurality of magnetic poles;
- a stator, comprising a plurality of upper pole arms and a plurality of lower pole arms;
- and
- a driving unit, comprising at least two coils wound on the upper pole arms and the lower pole arms respectively, and the driving unit generating an alternating magnetic field on the stator for driving the rotor to rotate.
A brushless DC motor, comprising:
- a rotor, the rotor includes a plurality of magnetic poles;
- a stator, the stator includes a plurality of pole arms located at the same level;
- and
- a driving unit, the driving unit includes at least two coils wound on the two adjacent pole arms of the stator respectively, and the driving unit generates an alternating magnetic field on the stator for driving the rotor.
A driving unit applied to a brushless DC motor, the brushless DC motor comprises a rotor and a stator, the rotor includes a plurality of magnetic poles, the stator comprises a plurality of upper pole arms and a plurality of lower pole arms, the driving unit comprises at least two coils wound on the upper pole arms and the lower pole arms respectively, and the driving unit generates an alternating magnetic field on the stator for driving the rotor.
Dependencies are inferred from the claim text.