Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2008-08-14
2011-10-11
Trinh, Minh (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S596000, C029S597000, C029S732000, C310S156550
Reexamination Certificate
active
08033007
ABSTRACT:
Some embodiments of the present disclosure provide a method of making a rotor of an electric brushless motor configured to be light weight and prevent vibrations generated during an operation of the motor to be transferred to the shaft of the rotor. The method includes providing a shaft elongated in a rotational axis, providing a single body magnet comprising alternately magnetized portions, and providing a vibration absorption portion interposed between the shaft and single body magnet. The vibration absorption portion absorbs vibrations generated during the operation of the motor and may include an elastic or a non-elastic material. The method further includes providing a non-elastic portion configured to inhibit the expansion of the vibration absorption portion when the vibration portion is elastic.
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Knobbe Martens Olson & Bear LLP
SNTech Inc.
Trinh Minh
LandOfFree
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