Brushless DC micromotor
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United States of America Patent
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-
May 12, 1987
Grant Date -
N/A
app pub date -
Jan 22, 1986
filing date -
Feb 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brushless DC micromotor made up of a stator coil and a rotor housed inside thereof with magnet poles formed therein, which micromotor is characterized in that the stator coil is formed by coaxially winding more than one coil sheet formed on an insulating sheet, on which coil sheet a plurality of coil patterns are continuously provided in series in the direction of winding. The motor of the present invention can be made smaller, thinner and lighter than the conventional counterpart made by the use of a wound copper wire coil.
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