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    • 1. 发明授权
    • Thread feed device for elastic yarn
    • 弹性纱线进给装置
    • US6079656A
    • 2000-06-27
    • US51157
    • 1998-04-02
    • Hermann SchmoddeGerhard Park
    • Hermann SchmoddeGerhard Park
    • B65H59/40D04B15/50B65H51/02
    • D04B15/50B65H59/40B65H2553/212B65H2553/26B65H2701/319
    • A yarn supply apparatus for elastic yarns in knitting machines having abruptly fluctuating yarn consumption. A yarn wheel, around which the yarn to be supplied is wrapped, furnishes the yarn to a yarn store located between a knitting station and the yarn wheel. A closed-loop controller responsive to yarn tension operates the yarn wheel via a low-inertia drive motor. The yarn store is embodied as an essentially straight segment of yarn in the yarn path in which yarn is guided so it can expand freely. The combination of a low-inertia drive motor, a yarn store that utilizes the intrinsic elasticity of the yarn, and a closed-loop controller that monitors the yarn tension by means of a sensor device makes it possible to use the yarn supply apparatus for supplying elastic yarns and to keep the yarn tension essentially constant even when the demand for yarn fluctuates abruptly.
    • PCT No.PCT / DE96 / 01749 Sec。 371日期:1998年4月2日 102(e)1998年4月2日PCT PCT 1996年9月17日PCT公布。 公开号WO97 / 13907 日期1997年04月17日一种具有突然波动的纱线消耗的针织机中的弹性纱线供给装置。 供给纱线被包裹着的纱线轮将纱线提供给位于编织站和纱线轮之间的纱线存储器。 响应于纱线张力的闭环控制器通过低惯性驱动马达来操作纱线轮。 纱线存储器被实施为纱线在纱线中基本上直线的纱线,其中纱线被引导,使得纱线可以自由地膨胀。 低惯性驱动电机,利用纱线的固有弹性的纱线存储器以及通过传感器装置监视纱线张力的闭环控制器的组合使得可以使用供纱装置 弹性纱线,并且即使当纱线需求突然变化时,纱线张力基本保持不变。