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Take-up machine motor control

  • US 4,566,646 A
  • Filed: 05/11/1984
  • Issued: 01/28/1986
  • Est. Priority Date: 05/11/1984
  • Status: Expired due to Fees
First Claim
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1. In a take-up machine of the type for winding fiber and yarn on spools and tubes with said take-up machine comprising a rotating spindle for receiving tubes and spools, an AC electric motor coupled to said spindle for rotating said spindle, and a tension take-up mechanism for controlling the speed of said electric motor in accordance with tension on fiber and yarn being wound;

  • the improvement comprising said motor having plural windings, said windings being connected to a rectifier circuit, solid state control means for controlling current flow through said rectifier circuit and thereby current flow through each of said motor windings down to zero, said solid state control means including a linearly movable control element connected to said tension take-up mechanism for positioning thereby.

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