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    • 2. 发明授权
    • Method of making a stator of an electrical machine
    • 制造电机定子的方法
    • US07761975B2
    • 2010-07-27
    • US10527917
    • 2003-07-07
    • Eberhard RauThomas BergerMartin HenneKlaus Pflueger
    • Eberhard RauThomas BergerMartin HenneKlaus Pflueger
    • H02K15/02
    • H02K1/16Y10T29/49009
    • The method for making a stator includes making individual strip-shaped laminas (15) for it; stacking the laminas (15) to form a stator core (13) with grooves (18) on one side extending through the core; producing a subassembly by inserting a stator winding (17) into the grooves (18); bending the subassembly to form a cylindrical cavity so that the grooves (18) end in the cavity and connecting two ends (23) of the stator core (13) to each other by a welding seam (20) to maintain this configuration. To produce a welding seam of sufficient strength which does not exert excessive influence on magnetic properties, the welding seam depth (TS) is given by TS=0.5 mm*(Hyoke/mm−1)±ΔTS, wherein Hyoke is yoke height and ΔTS is a tolerance value. An electric machine including the stator made by this method is also described.
    • 定子的制造方法包括:制造各个条状薄片(15); 堆叠薄片(15)以形成定子芯(13),在一侧延伸穿过芯的凹槽(18); 通过将定子绕组(17)插入到所述凹槽(18)中来产生子组件; 弯曲子组件以形成圆柱形空腔,使得凹槽(18)终止于空腔中,并且通过焊缝(20)将定子芯(13)的两个端部(23)彼此连接以保持该构造。 为了产生足够强度的焊缝,其对磁性能不会产生过大的影响,焊缝深度(TS)由TS = 0.5mm *(Hyoke / mm-1)±&Dgr; TS给出,其中Hyoke为轭高度 和&Dgr; TS是公差值。 还描述了包括通过该方法制造的定子的电机。
    • 8. 发明申请
    • Method for production of a stator and stator produced according thereto
    • 根据本发明制造的定子和定子的制造方法
    • US20060001328A1
    • 2006-01-05
    • US10530228
    • 2004-10-21
    • Eberhard RauThomas BergerMartin HenneKlaus Pflueger
    • Eberhard RauThomas BergerMartin HenneKlaus Pflueger
    • H02K1/00H02K1/12H02K15/14
    • H02K15/024H02K1/16Y10T29/49009
    • The present invention proposes a method for manufacturing a stator for an electric machine, in which strip-shaped laminations (21) are first stacked to form an essentially block-shaped lamination packet (40) that is then shaped into an annular form by means of roller bending in one of the subsequent steps; the annular form has an axial direction (a), which corresponds to a cylinder axis (z), and axial end surfaces (46). In another of the subsequent steps, the annular lamination packet (40) is plastically deformed in the axial direction (a) at least in some parts of the axial end surfaces (46). The present invention also proposes a stator for an electric machine, in particular a generator for motor vehicles, which is comprised of a stator yoke that is composed of rolled strip-shaped laminations (21) and has axial end surfaces (46). The stator yoke is plastically deformed in the axial direction (a) on the end surfaces (46). Finally, the present invention also proposes a stator for an electric machine, in particular a generator for motor vehicles, which has a stator yoke that is comprised of rolled strip-shaped laminations (21) and has axial end surfaces (46). The stator yoke has an axial length at its inner diameter that is greater than at its outer diameter.
    • 本发明提出了一种用于制造电机定子的方法,其中首先将条状叠片(21)堆叠以形成基本上为块状的叠片包(40),然后通过以下方式成形为环形: 在后续步骤之一中的辊弯曲; 环形具有对应于气缸轴线(z)的轴向方向(a)和轴向端面(46)。 在另一个随后的步骤中,至少在轴向端面(46)的一些部分中,环形层压包(40)在轴向(a)上塑性变形。 本发明还提出了一种用于电机的定子,特别是用于机动车辆的发电机,其包括由轧制的带状叠片(21)组成并具有轴向端面(46)的定子轭。 定子轭在端面(46)上沿轴向(a)塑性变形。 最后,本发明还提出了一种用于电机的定子,特别是用于机动车辆的发电机,其具有包括轧制的带状叠片(21)并具有轴向端面(46)的定子轭。 定子轭在其内径处的轴向长度大于其外径处的轴向长度。