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    • 9. 发明授权
    • Open end spinning apparatus
    • 开口纺纱设备
    • US5749216A
    • 1998-05-12
    • US818307
    • 1997-03-14
    • Kurt LangFriedbert Schmid
    • Kurt LangFriedbert Schmid
    • D01H4/08D01H4/00
    • D01H4/08
    • In the case of an open-end spinning arrangement, a spinning rotor is arranged in a rotor housing, to which a vacuum of at least 500 mm water column is applied. A fibre feed channel, beginning at an opening roller with an entry opening, is directed with an outlet opening at a sliding wall of the spinning rotor. The fibre feed channel bends slightly in the direction towards a fibre collecting groove of the spinning rotor. The cross sectional area of the outlet opening of the fibre feed channel measures at least 19 mm.sup.2 and amounts to at least 30% of the cross sectional area of the entry opening. As a result of the bend in the fibre feed channel, the fibres are collected together in a fibre bundle on a longitudinal side of the fibre feed channel. The fibre bundle occupies only a part area of the outlet opening when leaving the fibre feed channel and is fed with high precision onto the sliding wall. The outlet opening can thus have larger dimensions without this leading to inaccurate feeding of the fibres. The outlet opening possesses dimensions that permit a large volume of air to flow at high speed from the opening roller through the fibre feed channel. Fly accumulation in the area of the opening roller is thus avoided.
    • 在开放式纺纱装置的情况下,在转子壳体内设置有旋转转子,在该壳体内施加至少500mm的水柱的真空。 从具有进入开口的打开辊开始的纤维进料通道与纺丝转子的滑动壁处的出口开口导向。 纤维进料通道沿着纺丝转子的纤维收集槽的方向稍微弯曲。 纤维进料通道的出口开口的横截面积至少为19mm 2,并且相当于入口的横截面面积的至少30%。 由于纤维供给通道的弯曲,纤维在纤维供给通道的纵向侧以纤维束收集在一起。 当离开纤维进料通道时,纤维束仅占出口开口的一部分区域,并且高精度地供给到滑动壁上。 因此,出口开口可以具有更大的尺寸而不导致纤维的不准确的供给。 出口开口具有允许大量空气以高速从打开辊通过纤维进料通道流动的尺寸。 因此避免了在打开辊的区域中的飞累积。