Direct drive roller motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 24, 2002
Grant Date -
N/A
app pub date -
Jul 20, 2000
filing date -
Jul 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A direct drive roller motor for use in a belt drive system includes a brushless DC motor that has an external rotor that functions as a direct drive roller. The motor has stator coils mounted on a stator shaft that is physically and thermally coupled at both ends thereof to a support structure which provides in addition to support, a function of dissipating thermal energy generated by the i.sup.2 R losses of the stator coils and the magnetic core losses of the stator.
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