Textiles: knitting – Feeding – With yarn treatment
Reexamination Certificate
2005-05-03
2005-05-03
Worrell, Danny (Department: 3765)
Textiles: knitting
Feeding
With yarn treatment
Reexamination Certificate
active
06886366
ABSTRACT:
An electronic device for regulating and controlling the delivery of yarn (18) coming from feed units of textile machines, which is designed to vary the r.p.m. of a d.c. brushless motor (23) so as to keep it as synchronized as possible, according to an adjustable scale factor, with the speed of the textile machine served; the device comprises the d.c. brushless motor (23) and an electronic circuit based upon operation of a microcontroller (21) that is able to control the r.p.m. of the motor (23) and the currents (I1, I2, I3) in the phases of the aforesaid motor (23).
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International Search Report.
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