Motor with armature teeth and field magnet
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United States of America Patent
Stats
-
May 23, 1989
Grant Date -
N/A
app pub date -
Jun 16, 1988
filing date -
Jun 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A motor includes an armature and a field magnet which surrounds the armature. The armature includes a plurality of teeth being arranged at equal pitch, and the field magnet includes a plurality of magnetic poles being arranged at equal pitch. When the number of the magnetic poles of the field magnets is '2P' and the number of phases of divided armature windings is 'Q', the number T of the teeth is determined in accordance with an equation T=(P.+-.N) Q (O
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