Sliver-delivery machine and a sliver coiler
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United States of America Patent
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Mar 18, 1997
Grant Date -
N/A
app pub date -
Feb 22, 1995
filing date -
Mar 9, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sliver-delivering machine such as a card and a sliver coiler are each provided with an independent drive including a frequency-controlled free-phase motor. In addition, a frequency converter is connected in common to the motor of each drive for supplying power to each. The motors of the sliver-delivering machine and the coiler have a load-dependent speed characteristic, for example, each is an asynchronous motor with a maximum slip of 3% over a delivery speed range of up to 300 m/min.
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