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US 5,412,301 AGranted
Drive for a drafting arrangement
AssigneeMaschinenfabrik Rieter AG
InventorsErich Jornot, Urs Keller
Life of this patent
Estimating the term…
Abstract
An individual regulation circuit is provided for each position-regulated drive motor for a textile machine, such as drafting arrangement. It is contemplated by the invention to have each such regulation circuit encompass a position sensor which also can deliver a position signal during standstill of the motor shaft of the associated drive motor.
Claims12
A regulated drive for a drafting arrangement, said regulated drive comprising:
- a regulated drive motor being operatively connected to drive a drive shaft for driving at least a portion of said drafting arrangement;
- a regulation circuit for regulating said regulated drive motor;
- position determining means for determining an angular position of said drive shaft within said drafting arrangement, while said drive shaft is at a standstill, and for generating a standstill position signal which indicates said angular position, while said drive shaft is at a standstill;
- said regulation circuit comprising means for monitoring said standstill position signal after stopping said drive motor and before starting said drive motor, and means for regulating said regulated drive motor as a function of the monitored standstill position signal;
- and
- said drafting arrangement comprising means for regulating mass fluctuations of textile material processed by the drafting arrangement.
3 more elements
Dependencies are inferred from the claim text.