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(11) | EP 0 389 118 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Ring spinning doubling and twisted frames with switched reluctance drive spindle motor |
| (57) A textile machine of the ring spinning type, the ring doubling type or the ring twisting
type including a switched reluctance drive motor (18) to drive a spindle (10) onto
which a package former (20) for winding yarn (22) is placed. Delivery rollers (24)
are provided for feeding yarn (22) to a ring (30) and traveller assembly. At least
one control unit (16) is provided for controlling the speed of the motor (18), and
the delivery rollers (24), and the axial movement (26) of the ring (30). An annular member (12) is also provided for transferring the feed of yarn from the package former (20) to the annular member (12) once it has been determined that the package former (20) is full and requires replacement. Completely automatic piecing, and automatic doffing of a loaded package former (20), can be provided. |