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    • 1. 发明授权
    • Weft sensor for a loom
    • 织机的纬纱传感器
    • US4546263A
    • 1985-10-08
    • US447468
    • 1982-12-06
    • Miyuki GotohYoshimi Wada
    • Miyuki GotohYoshimi Wada
    • D03D51/34
    • D03D51/34
    • A weft sensor for a loom which can detect the presence or absence of a weft inserted into a warp shed at an acceptable moderate sensitivity on the basis of the majority decision of weft detection signals. When sensor sensitivity is too high, the weft sensor erroneously detects the fluff attached to the sensor as the presence of a weft, thus keeping the loom operated continuously. This erroneous detection reduces the quality of woven cloth. On the other hand, when sensor sensitivity is too low, the weft sensor erroneously detects a slender weft as the absence of a weft, thus keeping the loom stopped unnecessarily. This erroneous detection reduces the duty cycle of the loom. The weft sensor according to the present invention comprises a plurality of weft detectors and a majority decision circuit made up of a plurality of logical circuit elements such as AND, OR, NAND gates, etc.
    • 一种用于织机的纬纱传感器,其可以基于纬纱检测信号的多数决定来以可接受的中等灵敏度检测插入到经纱中的纬纱的存在或不存在。 当传感器灵敏度过高时,纬纱传感器会错误地检测到随着纬纱的存在而附着在传感器上的绒毛,从而保持织机的连续运行。 这种错误的检测降低了织布的质量。 另一方面,当传感器灵敏度太低时,纬纱传感器由于不存在纬纱而错误地检测细长纬纱,从而使织机不必要地停止。 这种错误的检测减少了织机的占空比。 根据本发明的纬纱传感器包括多个纬纱检测器和由多个逻辑电路元件如AND,OR,NAND门等组成的多数判定电路。
    • 3. 发明授权
    • Loom equipped with weft picking control system
    • 织布机配有纬纱拾取控制系统
    • US4658865A
    • 1987-04-21
    • US757948
    • 1985-07-23
    • Miyuki Gotoh
    • Miyuki Gotoh
    • D03D47/28D03D47/30D03D47/36D03D51/02
    • D03D47/3066D03D47/3033D03D47/362D03D47/363
    • A fluid jet loom has a weft inserting nozzle and is equipped with a weft picking control system including means for measuring a weft picking time period for accomplishing a weft picking. The difference between the measured weft picking time period and a standard value in each weft picking is computed, and a plurality of such differences are accumulated to obtain an accumulated value. The accumulated value is compared with an allowable limit to judge as to whether the accumulated value exceeds the allowable limit or not. Upon judgement of the accumulated value exceeding the allowable limit, the air pressure to be supplied to the weft inserting nozzle is controllably changed to regulate the weft picking time period at a suitable value, thereby achieving an optimum weft picking control.
    • 流体喷射织机具有引纬喷嘴,并配有纬纱拾取控制系统,其包括用于测量纬纱采摘时间段以完成纬纱采集的装置。 计算纬纱拾取时间段与每次纬纱拣选时的标准值之间的差异,累积多个这样的差值,得到累计值。 将累积值与允许限制进行比较,以判断累积值是否超过允许极限。 当累积值超过允许极限时,可控制地提供给引纬喷嘴的空气压力以适当的值调节纬纱拾取时间段,从而实现最佳的纬纱拾取控制。
    • 4. 发明授权
    • System for controlling warp let-off motion of weaving machine during
machine downtime
    • 在机器停机期间控制织机的经纱送出运动的系统
    • US4537226A
    • 1985-08-27
    • US534387
    • 1983-09-21
    • Miyuki Gotoh
    • Miyuki Gotoh
    • D03D49/12D03D49/06D03D49/10D03D51/00
    • D03D49/06
    • A weaving machine has a first drive means which has a speed change transmission and drives a warp beam during normal weaving operation, and a second drive means for driving the warp beam independently of the first drive means when the weaving machine is moved by inching or by hand during downtime operation. A first sensor senses the weaving cycle of the weaving machine, and a second sensor senses the warp beam rotation. A warp beam rotation control system determines the angular displacement of the warp beam per weaving cycle during normal weaving operation, and controls the warp beam rotation during downtime operation in accordance with the determined angular displacement per weaving cycle.
    • 织造机具有第一驱动装置,其在正常编织操作期间具有变速传动装置和驱动经轴;以及第二驱动装置,用于当织机通过微动或通过以下方式移动时,独立于第一驱动装置驱动经轴; 在停机操作期间。 第一传感器感测织机的织造周期,第二传感器感测经线旋转。 经向波束旋转控制系统在正常编织操作期间确定每个编织周期的经轴的角位移,并且根据确定的每个编织周期的角位移来控制在停机操作期间的经轴旋转。
    • 7. 发明授权
    • Device for detecting the loss of tension of a warp yarn in a weaving loom
    • 用于检测编织机中经纱的张力损失的装置
    • US4135554A
    • 1979-01-23
    • US840485
    • 1977-10-07
    • Miyuki GotohEizi Ichimatsu
    • Miyuki GotohEizi Ichimatsu
    • D03D49/18D03D51/32
    • D03D51/32D03D49/18
    • At least one elongate electrode is positioned on the upper surface of an upper heddle bar of each heddle frame of a loom for constituting a switch with loops loosely coupled to the upper heddle bar, each loop being spaced from the upper surface of the upper heddle bar at the lower position of the heddle bar due to upward force along the heddle produced by the tension of a warp, the switch being closed when a loop hangs over the electrode by its self weight due to loss of tension along the warp at the lower position of the heddle bar, the lower position of each heddle bar being detected by a heddle bar position detector, a corresponding LED being illuminated by a display circuitry connected to the switch and the heddle bar position detector, the circuitry including holding circuits for maintaining the illumination of the LED from the first glowing until the holding circuit is reset.
    • 至少一个细长电极位于织机的每个综框框架的上综面杆的上表面上,用于构成具有松散地联接到上综丝杆的环的开关,每个环与上综杆的上表面间隔开 由于由经线的张力产生的整数的向上的力,在综线的下部位置处,当环路由于自身重量而悬挂在电极上时由于沿着下部位置处的经线而失去张力而关闭开关 综框中的每个综丝的下部位置由综丝位置检测器检测到,相应的LED由连接到开关和综线杆位置检测器的显示电路照亮,该电路包括用于维持照明的保持电路 的LED从第一发光直到保持电路复位。