Device with a drum with a drive motor mounted therein
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United States of America Patent
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Dec 17, 2013
Grant Date -
Aug 20, 2009
app pub date -
Oct 17, 2005
filing date -
Oct 15, 2004
priority date (Note) -
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Abstract
A device for driving a drum (1) about the axis thereof, including a motor (2) which is mounted at least partially inside the drum (1) and a transmission (7) disposed between the motor (2) and the drum (1), characterized in that it further includes a device (10) enabling a forced current of cooling air to be created in a space (13,14) between the motor (2) and an inner wall of the drum (1).
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