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    • 2. 发明专利
    • Yarn feed tension control on flat bed knitting machine
    • DE19537325C1
    • 1996-11-28
    • DE19537325
    • 1995-10-06
    • MEMMINGER IRO GMBH
    • LEINS EBERHARDSCHMODDE HERMANNWEBER FRIEDRICHFECKER JOSEFKETTERER LUDWIG
    • D04B15/48B65H51/20
    • There is a thread feed (1) to supply especially hard yarns which is designed especially for knitting machines (2) with thread requirements varying considerably in time. The thread feed (1) has a motor-driven thread wheel (13) which, in the ideal case, feeds directly into the knitting machine (2) or its thread guide (7) without the intervention of thread storage devices. The thread tension is monitored via a sensor (22) which detects the measurement for a regulator (15, 16) controlling the feed through the thread wheel (13). The regulator (15, 16) is also designed so that it can process signals containing information on the future thread requirements. It is thus possible for the regulator (15, 16) act in advance of imminent drastic changes in requirements which, for example, occur periodically in flat knitting machines (2) at the fabric edges (thread guide reversing points) by providing extra thread in advance or stopping the thread feed. It is thus possible to even out peak thread tensions and excessively steep tension drops. The regulator (15, 16) can be designed in such a way that it acts as a state regulator and temporarily as a control. Other measures like disturbance variable compensation, parameter adaptation or the like are possible.
    • 3. 发明专利
    • A thread supply device with electronic control
    • IN187802B
    • 2002-06-29
    • IN204CA1996
    • 1996-02-05
    • MEMMINGER IRO GMBH
    • LEINS EBERHARDSCHMODDE HERMANNWEBER FRIEDRICHFECKER JOSEFKETTERER LUDWIG
    • D04B15/48B23Q15/00
    • PCT No. PCT/DE96/01751 Sec. 371 Date Apr. 2, 1998 Sec. 102(e) Date Apr. 2, 1998 PCT Filed Sep. 17, 1996 PCT Pub. No. WO97/13906 PCT Pub. Date Apr. 17, 1997For supplying yarns, a yarn supply apparatus is contemplated that is designed particularly for knitting machines whose yarn demand fluctuates greatly over time. The yarn supply apparatus has a rotor-driven yarn wheel, which in the ideal case furnishes yarn directly to the knitting machine or its yarn guides without the interposition of yarn storage devices. The yarn tension is monitored by means of a yarn tension sensor, which provides measured value detection for a closed-loop controller that controls the supply by the yarn wheel. The controller is also embodied such that it can process signals that contain information about the future yarn demand. Thus in the event of imminent drastic changes in demand, of the kind that in flatbed knitting machines periodically occur at the edges of the knitted goods (turning points of the yarn guide), the controller can react by presupplying yarn or by ceasing to supply yarn. Yarn tension spikes and overly steep yarn tension drops can thus be compensated for. The controller may be designed such that it functions as a closed-loop status controller and intermittently as an open-loop controller. Other provisions, such as disturbance variable compensation, parameter adaptation, or the like, are possible.
    • 4. 发明专利
    • ELECTRONICALLY CONTROLLED THREAD FEED
    • GR3036527T3
    • 2001-12-31
    • GR20010401387
    • 2001-09-05
    • MEMMINGER IRO GMBH
    • LEINS EBERHARDSCHMODDE HERMANNWEBER FRIEDRICHFECKER JOSEFKETTERER LUDWIG
    • D04B15/48
    • PCT No. PCT/DE96/01751 Sec. 371 Date Apr. 2, 1998 Sec. 102(e) Date Apr. 2, 1998 PCT Filed Sep. 17, 1996 PCT Pub. No. WO97/13906 PCT Pub. Date Apr. 17, 1997For supplying yarns, a yarn supply apparatus is contemplated that is designed particularly for knitting machines whose yarn demand fluctuates greatly over time. The yarn supply apparatus has a rotor-driven yarn wheel, which in the ideal case furnishes yarn directly to the knitting machine or its yarn guides without the interposition of yarn storage devices. The yarn tension is monitored by means of a yarn tension sensor, which provides measured value detection for a closed-loop controller that controls the supply by the yarn wheel. The controller is also embodied such that it can process signals that contain information about the future yarn demand. Thus in the event of imminent drastic changes in demand, of the kind that in flatbed knitting machines periodically occur at the edges of the knitted goods (turning points of the yarn guide), the controller can react by presupplying yarn or by ceasing to supply yarn. Yarn tension spikes and overly steep yarn tension drops can thus be compensated for. The controller may be designed such that it functions as a closed-loop status controller and intermittently as an open-loop controller. Other provisions, such as disturbance variable compensation, parameter adaptation, or the like, are possible.
    • 5. 发明专利
    • DE59607372D1
    • 2001-08-30
    • DE59607372
    • 1996-09-17
    • MEMMINGER IRO GMBH
    • LEINS EBERHARDSCHMODDE HERMANNWEBER FRIEDRICHFECKER JOSEFKETTERER LUDWIG
    • D04B15/48
    • PCT No. PCT/DE96/01751 Sec. 371 Date Apr. 2, 1998 Sec. 102(e) Date Apr. 2, 1998 PCT Filed Sep. 17, 1996 PCT Pub. No. WO97/13906 PCT Pub. Date Apr. 17, 1997For supplying yarns, a yarn supply apparatus is contemplated that is designed particularly for knitting machines whose yarn demand fluctuates greatly over time. The yarn supply apparatus has a rotor-driven yarn wheel, which in the ideal case furnishes yarn directly to the knitting machine or its yarn guides without the interposition of yarn storage devices. The yarn tension is monitored by means of a yarn tension sensor, which provides measured value detection for a closed-loop controller that controls the supply by the yarn wheel. The controller is also embodied such that it can process signals that contain information about the future yarn demand. Thus in the event of imminent drastic changes in demand, of the kind that in flatbed knitting machines periodically occur at the edges of the knitted goods (turning points of the yarn guide), the controller can react by presupplying yarn or by ceasing to supply yarn. Yarn tension spikes and overly steep yarn tension drops can thus be compensated for. The controller may be designed such that it functions as a closed-loop status controller and intermittently as an open-loop controller. Other provisions, such as disturbance variable compensation, parameter adaptation, or the like, are possible.
    • 7. 发明专利
    • BR9610841A
    • 1999-07-13
    • BR9610841
    • 1996-09-17
    • MEMMINGER IRO GMBH
    • LEINS EBERHARDSCHMODE HERMANNWEBER FRIEDRICHFECKER JOSEFKETTERER LUDWIG
    • D04B15/48
    • PCT No. PCT/DE96/01751 Sec. 371 Date Apr. 2, 1998 Sec. 102(e) Date Apr. 2, 1998 PCT Filed Sep. 17, 1996 PCT Pub. No. WO97/13906 PCT Pub. Date Apr. 17, 1997For supplying yarns, a yarn supply apparatus is contemplated that is designed particularly for knitting machines whose yarn demand fluctuates greatly over time. The yarn supply apparatus has a rotor-driven yarn wheel, which in the ideal case furnishes yarn directly to the knitting machine or its yarn guides without the interposition of yarn storage devices. The yarn tension is monitored by means of a yarn tension sensor, which provides measured value detection for a closed-loop controller that controls the supply by the yarn wheel. The controller is also embodied such that it can process signals that contain information about the future yarn demand. Thus in the event of imminent drastic changes in demand, of the kind that in flatbed knitting machines periodically occur at the edges of the knitted goods (turning points of the yarn guide), the controller can react by presupplying yarn or by ceasing to supply yarn. Yarn tension spikes and overly steep yarn tension drops can thus be compensated for. The controller may be designed such that it functions as a closed-loop status controller and intermittently as an open-loop controller. Other provisions, such as disturbance variable compensation, parameter adaptation, or the like, are possible.
    • 8. 发明专利
    • THREAD FEEDING APPARATUS
    • CZ102298A3
    • 1998-10-14
    • CZ102298
    • 1996-09-17
    • MEMMINGER IRO GMBH
    • LEINS EBERHARDSCHMODDE HERMANNWEBER FRIEDRICHFECKER JOSEFKETTERER LUDWIG
    • D04B15/48D04B27/10
    • PCT No. PCT/DE96/01751 Sec. 371 Date Apr. 2, 1998 Sec. 102(e) Date Apr. 2, 1998 PCT Filed Sep. 17, 1996 PCT Pub. No. WO97/13906 PCT Pub. Date Apr. 17, 1997For supplying yarns, a yarn supply apparatus is contemplated that is designed particularly for knitting machines whose yarn demand fluctuates greatly over time. The yarn supply apparatus has a rotor-driven yarn wheel, which in the ideal case furnishes yarn directly to the knitting machine or its yarn guides without the interposition of yarn storage devices. The yarn tension is monitored by means of a yarn tension sensor, which provides measured value detection for a closed-loop controller that controls the supply by the yarn wheel. The controller is also embodied such that it can process signals that contain information about the future yarn demand. Thus in the event of imminent drastic changes in demand, of the kind that in flatbed knitting machines periodically occur at the edges of the knitted goods (turning points of the yarn guide), the controller can react by presupplying yarn or by ceasing to supply yarn. Yarn tension spikes and overly steep yarn tension drops can thus be compensated for. The controller may be designed such that it functions as a closed-loop status controller and intermittently as an open-loop controller. Other provisions, such as disturbance variable compensation, parameter adaptation, or the like, are possible.