Outer rotor type brushless motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 9, 2004
Grant Date -
May 30, 2002
app pub date -
Nov 21, 2001
filing date -
Nov 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An outer rotor type brushless motor comprising an outer rotor having permanent magnets fixed onto an inner periphery of a rotor yoke, a stator including a stator core having a plural of magnetic pole portions protruded on an outer periphery thereof and coils wound on the magnetic pole portions, a cylindrical boss disposed on an inner periphery of an annular portion of the stator core, a rotational shaft extending along an axis of the boss and rotationally supported on the boss through a bearing with a leading end of the shaft having a center portion of the rotor yoke fixed thereto and a mounting plate fixed onto an outer periphery of the boss wherein the boss is formed of resin mold and extending through a hole in the mounting plate and fixed thereto and the annular portion of the stator core is mounted on and fixed to a rising portion on the inner periphery of the mounting plate.
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