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    Motor unit in weft feeders for textile machines
    5.
    发明公开
    Motor unit in weft feeders for textile machines 审中-公开
    Elektromotorfürdie Schussfadenliefervorrichtung in Textilmaschinen

    公开(公告)号：EP1748535A2

    公开(公告)日：2007-01-31

    申请号：EP06011443.6

    申请日：2006-06-02

    申请人： L.G.L. Electronics S.p.A.

    发明人： Gotti, Andrea ,  Gotti, Luca ,  Castelli, Rosario

    IPC分类号： H02K3/52

    CPC分类号： D03D47/361 ,  H02K11/33 ,  H02K2211/03

    摘要： A brushless motor (14, 56) provided with a hollow cylindrical stator (16, 64) has three pole shoes having respective excitation coils wound thereon (18, 66). A driving shaft (20, 58) is inserted in the stator (16, 64) and supports a magnetic element arranged near the coils and having a circular profile with alternating poles. A printed circuit board (32, 78), to which the connection ends of the coils (18) are soldered, is supported near an axial end of the stator (16, 64) and is provided with a hole (36, 80) surrounding the driving shaft.

    摘要翻译： 设置有中空圆柱形定子（16,64）的无刷电动机（14,56）具有卷绕在其上的相应励磁线圈（18,66）的三极靴。 驱动轴（20,58）插入定子（16,64）中，并且支撑设置在线圈周围的磁性元件并具有带有交替极点的圆形轮廓。 在线圈（18）的连接端被焊接到的印刷电路板（32,78）被支撑在定子（16,64）的轴向端附近，并且设置有围绕 驱动轴。

    FADENLIEFERGERÄT
    7.
    发明授权
    FADENLIEFERGERÄT 有权
    送线设备

    公开(公告)号：EP1361997B1

    公开(公告)日：2005-01-19

    申请号：EP02718128.8

    申请日：2002-02-13

    申请人： IROPA AG

    发明人： JOHANSSON, Egon ,  JOSEFSSON, Pär

    IPC分类号： B65H51/22

    CPC分类号： D03D47/361

    摘要： A thread supplying device (F) provided with a housing (1) containing an electric motor wherein the stator (S) is non-rotatingly mounted and the rotor (R) is rotatingly mounted on a motor shaft (W). A thread guiding element (E) is fixed to the motor shaft (W) and a threader device (T) which is fixed to the housing is also provided. When the motor shaft (W) is in a set position of rotation (Y), the thread guiding element (E) must be physically associated with said threader device. A permanent magnet motor (PM) with pole cores provided with windings is integrated into the stator (S) and permanent magnets are integrated into the rotor (R ) in such a way that the stator (S), rotor (R ) and the thread guiding element (E) are arranged relative to the housing (1), in relation to the axis (X) of the motor shaft, in such a way that the motor shaft (W) adopts the set position of rotation (Y) when the permanent magnet motor is devoid of electric current in a stable relative position of rotation (DLS), caused by magnetic forces, of the rotor( R ) in the stator (S).

    FADENLIEFERGERÄT
    8.
    发明授权
    FADENLIEFERGERÄT 有权

    公开(公告)号：EP1208056B1

    公开(公告)日：2004-11-24

    申请号：EP00967640.4

    申请日：2000-09-01

    申请人： IROPA AG

    发明人： JOSEFSSON, Pär ,  BENGTSSON, Alf

    IPC分类号： B65H51/22

    CPC分类号： G05G5/00 ,  D03D47/34 ,  D03D47/361

    摘要： The invention relates to a yarn feeding device (F) with a stationary storage drum and an adjustable yarn pitch. The yarn feeding device comprises a motor housing, a drive shaft of a reeling element (3) and a storage drum (6). Said storage drum consists of meshing finger-shaped cages (7, 8 and 28). The finger-shaped advance cage (28) has an advance bearing (15) that is eccentric and sloped with respect to the drive shaft (W). A recoil break (D) for the take-up element (3) is mounted in said advance cage. Said recoil brake (D) is furthermore interposed between the finger-shaped advance cage (28) and the drive shaft (W).

    VERFAHREN ZUR TWISTFREIEN LIEFERUNG EINES FADENS UND FADENLIEFERGERÄT
    9.
    发明授权
    VERFAHREN ZUR TWISTFREIEN LIEFERUNG EINES FADENS UND FADENLIEFERGERÄT 有权
    方法TWIST免费送货线程和线程输送装置

    公开(公告)号：EP1254066B1

    公开(公告)日：2004-08-11

    申请号：EP01905759.5

    申请日：2001-02-09

    申请人： IROPA AG

    发明人： PERSSON, Sture

    IPC分类号： B65H51/22

    CPC分类号： D03D47/361 ,  B65H2701/37

    摘要： The invention relates to a thread that is fed to a textile machine in a twist-free manner and has a band-like character. The thread is taken from a stock in a twist-free manner and is mounted on a stationary storage drum in a thread feeding appliance having a rotatable central shaft and a winding element which protrudes therefrom and towards the outside. Said thread is supplied to the textile machine in an overhead manner and by means of the storage drum. During operation of the thread feeding appliance, functional twists are produced in the thread only during transition from the central shaft into the winding element. Said twists are inhibited from being transported back against the thread path direction and, together with the thread, are regularly conveyed to the storage drum in almost perfect match with the rotations of the central shaft. At least one sliver guide gap (G) that is stationary in relation to the central shaft is provided in the thread feeding appliance (F) and along the thread path in the central shaft (S, 4) in the area of transition (7) of the central shaft into the winding element (W).

    FADENLIEFERGERÄT
    10.
    发明公开
    FADENLIEFERGERÄT 有权
    送线设备

    公开(公告)号：EP1429988A1

    公开(公告)日：2004-06-23

    申请号：EP02777186.4

    申请日：2002-09-24

    申请人： IROPA AG

    发明人： ALATALO, Mikael ,  THOLANDER, Lars, Helge, Gottfrid

    IPC分类号： B65H51/22

    CPC分类号： D04B15/482 ,  D03D47/361

    摘要： The invention relates to a yarn feeding device (F) for weaving or knitting machines whose winding element (W) is driven by an electric motor (M) controlled by an electronic speed control device (CU). According to the invention, the electric motor (M) is a synchronous motor, in particular, a permanent magnet (PM) motor with the speed control device (CU) provided for effecting a permanent (continuous) vector control with the stator being sinusoidally acted upon. Continuously determined information pertaining to the relevant rotational position of the rotor (R) of the motor (M) is used in the speed control device (CU), which serves to perform permanent (continuous) vector control, in order to adjust at least one predetermined rotational position (X1, X2) of the winding element (W).