Positive yarn feeder for textile machines and the like
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United States of America Patent
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N/A
Issued Date -
Oct 26, 2006
app pub date -
Mar 20, 2006
filing date -
Apr 6, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The yarn-feeder comprises a reel (R) having loops of yarn wound thereon and driven by a permanent-magnet, synchronous brushless motor to draw the yarn from a spool (RO) and to feed it to a textile machine arranged downstream (MF). The motor (M, M') comprises a stator (STA, STA') consisting of a substantially cylindrical, hollow housing having at least three elongated pole shoes (E1-E3, E1'-E3') having respective excitation coils wound thereon (A, B, C, A', B', C'), and a rotor comprising a magnetic member having a circular profile with alternating poles, which is coaxially supported on the driving shaft (AM, AM') near the coils.
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