ROTOR FOR BRUSHLESS DC MOTOR AND BRUSHLESS DC MOTOR
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Sep 18, 2014
filing date -
Sep 20, 2013
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Abstract
A rotor unit for a brushless direct current motor (BLDC motor) comprises a main body integrally formed with a rotor shaft and an annular ring magnet mounted on the main body. The annular magnet comprises an anisotropic hard ferrite and is laterally magnetized. The rotary shaft and the main body of the rotor unit may be formed from one plastic material. The rotor unit is supported within the BLDC motor via self-lubricating bearing seats.
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