Parallel connected double-phase full-wave brushless dc motor
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United States of America Patent
Stats
-
Sep 6, 2005
Grant Date -
Dec 2, 2004
app pub date -
Aug 12, 2003
filing date -
May 27, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A parallel connected double-phase full-wave brushless dc motor includes a first drive member, a second drive member, a first sensor member, a second sensor member, a first motor coil and a second motor coil. The first drive member is connected to the first sensor member and the first motor coil, and the second drive member is connected to the second sensor member and the second motor coil. Hall signals of the first sensor member and the second sensor member are in control of an alternative direction of a first current and a second current passing through the first motor coil and the second motor coil. Thereby, the first motor coil and the second motor coil are excited in full wave. In operation, the first motor coil and the second motor coil are excited synchronous due to the parallel connection of the first motor coil and the second motor coil.
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- Non-US Classification not provided for expired patents
Cited Art Landscape
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