Title:
【発明の名称】モータ付きのヤーン撚りヘッド
Document Type and Number:
Japanese Patent JPH11509897
Kind Code:
A
Abstract:
A motorized head for multiple-head machines for twisting threads or for similar processes includes: a supporting pivot (2) for a thread spindle or reel (3); a rotor (5) that is coaxial to the pivot for unwinding and twisting the thread; a motor connected to the rotor to make it rotate at a controlled speed. The motor consists, for each head, of a single electric motor (8) of the high-efficiency brushless type with cylindrical permanent magnets, directly coupled to the rotor (5). An electronic circuit (11) for speed and power supply control, independent of the circuit of other heads, is associated with the motor. The motor speed and power supply control circuit (11) is a miniaturized frequency converter that is integrated in the motor shell.
Inventors:
Bertot, Ezio
Application Number:
JP50719697A
Publication Date:
August 31, 1999
Filing Date:
July 18, 1996
Export Citation:
Assignee:
Lille Esse. Elle. Elle.
International Classes:
D01H1/244; H02K29/00; (IPC1-7): D01H1/244
Attorney, Agent or Firm:
Shinji Kouji (5 outside)