BLDC Motor with Dual Rotation Directions
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United States of America Patent
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Issued Date -
Mar 1, 2012
app pub date -
Nov 4, 2010
filing date -
Aug 24, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A BLDC motor with dual rotation directions includes a rotor and a stator. The rotor has a rotating portion and a magnet portion, wherein the magnet portion has a plurality of magnetic poles each having a magnetic pole face. The stator has an excitation assembly and a control assembly. The rotating portion of the rotor is rotatably coupled with the stator. The excitation assembly has at least one excitation face and at least one coil. The control assembly is coupled to the at least one coil and has two sensors adjacent to the magnet portion. A distance exists between the two sensors on a rotational path of the magnet portion.
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