Commutation of split-phase winding brushless DC motor
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United States of America Patent
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-
Oct 16, 2001
Grant Date -
N/A
app pub date -
Sep 3, 1998
filing date -
Sep 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brushless DC motor utilizes alternating current including a plurality of phases of alternating current. Each phase of the plurality of phases is supplied to a respective phase winding group. Each phase winding group is wound on a stator, and each phase of the plurality of phases of alternating current is split into a plurality of subphases of alternating current subsections. Each phase winding group includes a plurality of phase winding subsections and each phase winding subsection of the plurality of phase winding subsections is supplied by a subphase of a plurality of the plurality subphases of alternating current. A means for switching current so as to conduct the alternating current through at least one of the plurality of phase winding subsections is also included.
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