Brushless direct current motor with inverted magnet cup

Details Brushless direct current motor with inverted magnet cup Brushless direct current motor with inverted magnet cup

H - Electricity

02

K

26/113, 310/45,

H02K 29/00 (2006.01) G11B 19/20 (2006.01) H02K 7/14 (2006.01) H02K 15/16 (2006.01)

Patent

CA 1210045

ABSTRACT OF THE DISCLOSURE A brushless direct current motor with the rotating magnet cup permanently attached to the spindle hub. After attachment, the combination spindle hub and magnet cup are affixed to the shaft and the resulting subassembly is dynamically balanced. The motor using this balanced subassembly can be assembled with no balancing required after assembly. The motor can also be disassembled for repair and reassembled without disturbing the dynamic balance The motor is especially useful for disk drive applications.

439877

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