Direct-current motor armature, direct-current motor, and method for winding coil around armature of direct-current motor
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United States of America Patent
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Dec 30, 2014
Grant Date -
Dec 24, 2009
app pub date -
Oct 29, 2007
filing date -
Oct 30, 2006
priority date (Note) -
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Abstract
In a direct-current motor armature 3 corresponding to an 8-pole-10-slot-20-segment or 12-pole-15-slot-30-segment, a connection wire 25 for short-circuiting segments 14 having the same degree of electric potential is provided to a commutator, a coil 12 is connected electrically to the segments 14 having a potential difference that is equal to a potential difference between the adjacent segments 14, and the coil 12 is wound around teeth 9 to form armature coils 7. Accordingly, an armature for use in a direct-current motor, a direct-current motor, and a method for winding wires around the armature of the direct-current motor for enabling down-sized direct-current motors having extended product life and enhanced performance can be provided.
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