Patent ID: 8305015
Filing Date: 2012-11-06
Classification: B65H,D04B

Abstract:
1. A system ( 1 ) for controlling at least the tension in a yarn or a metal wire during the feed of said yarn or said metal wire to a textile machine or coil winder or a similar machine operating on a metal wire, said yarn or wire unwinding from its own spool and cooperating with a rotary member associated with its own rotation actuator ( 2 ) before being directed to said machine, said yarn or wire having its own characteristic value of tension during this feed, said rotation actuator ( 2 ) comprising a stator and a rotor acting on an exit drive shaft ( 13 ) and being piloted by its own piloting means, said rotary member about which said yarn or wire winds being keyed onto the exit drive shaft ( 13 ), said control system comprising: means ( sensor means (SE) situated downstream of said rotary member in cooperation with said drive shaft angular position measurement means ( comparison and command means (