Rotor of Brushless Motor and Brushless Motor Using the Same
First Claim
1. A rotor of brushless motor including a front cover, a cylindrical casing and a magnet adhered to the inner surface of the cylindrical casing, wherein the cylindrical casing is provided with some grooves on its outside surface.
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Abstract
The present invention relates to a brushless motor and especially to a rotor of brushless motor. The rotor of brushless motor includes a front cover, a cylindrical casing and a magnet adhered to the inner face of the cylindrical casing. The cylindrical casing is provided with some grooves on its outside surface. The present invention has made the best of the outside surface of the cylindrical casing of the rotor. In this case, an excellent heat dissipating effect can be achieved without changing the structure of the motor since the flow rate of air and the heat dissipating contact area between the air and the rotor is improved during the rotation.
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Citations
8 Claims
- 1. A rotor of brushless motor including a front cover, a cylindrical casing and a magnet adhered to the inner surface of the cylindrical casing, wherein the cylindrical casing is provided with some grooves on its outside surface.
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5. A brushless motor including a rotor, a stator and a rotating shaft, wherein the rotor includes a front cover, a cylindrical casing and a magnet adhered to the inner surface of the cylindrical casing, and the stator comprises silicon steel sheets and a rear cover;
- wherein the cylindrical casing of the rotor is provided with some grooves on its outside surface.
- View Dependent Claims (6, 7, 8)
Specification