Electromotive variable-speed and control drive particularly for use in industrial sewing machines
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United States of America Patent
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-
Dec 15, 1987
Grant Date -
N/A
app pub date -
Mar 5, 1986
filing date -
Mar 8, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromotive variable-speed and control drive particularly for use in industrial sewing machines comprising a motor capable of continuous drive with a disk flywheel and a brake-coupling unit connected to this motor. Cooling ribs confining cooling channels are disposed at the stator frame to achieve efficient cooling. A disk flywheel in the form of a fan is in the form of an axial-radial blower the suction area of which extends to the coupling surface of the disk flywheel. Furthermore, particularly intensive cooling of the brake end shield is possible.
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