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    • 9. 发明申请
    • COMMUTATOR AND METHOD FOR MANUFACTURING SAME
    • 换向器和制造过程如此A.
    • WO2010037678A3
    • 2010-11-25
    • PCT/EP2009062330
    • 2009-09-23
    • BOSCH GMBH ROBERTPFLUGMACHER OLAFPAPE FRANKKLINGEL JUERGENHECHT WOLFGANGSCHICK MATTHIASFINKE THOMASBOCK THOMASSTEIN ANDREASSTOLTE ROLFWOLKOWICZ JOERGLIEBIG WERNER
    • PFLUGMACHER OLAFPAPE FRANKKLINGEL JUERGENHECHT WOLFGANGSCHICK MATTHIASFINKE THOMASBOCK THOMASSTEIN ANDREASSTOLTE ROLFWOLKOWICZ JOERGLIEBIG WERNER
    • H02K13/00H01R39/04H01R43/06
    • H01R43/06H01R39/04
    • The invention relates to a commutator (52) for contacting an armature winding (49) of an armature (37) of an electric machine, comprising commutator bars (55) arranged in a peripheral direction, the commutator bars (55) having a groove (318) that is open in an axial direction at least on an axial end (309), said groove being delimited by limbs (321, 324), a reinforcing ring (327) being arranged in the grooves (318), characterized in that the radial limbs (321) arranged on the inside has an axial undercut in the axial direction, so that the reinforcing ring (327) is secured in the position thereof. The invention further relates to a method for manufacturing a commutator, commutator bars (55) being first supplied and arranged in such a way that they are arranged in a cylindrical fashion in a peripheral direction and subsequently a reinforcing ring (318) is inserted in a groove (318) between a radially inner limb (312) and a radially outer limb (324), characterized in that, after insertion of the reinforcing ring (318), the radially inner limb (312) is split and a radially outer partial limb (333) of the inner limb (312) is bent radially outward.
    • 换向器(52),用于接触的电机的电枢(37)的电枢绕组(49),具有布置在所述换向片(55)的圆周方向上,其中,所述换向片(55)至少在一个轴向端部(309)在轴向方向上槽打开( 318),这是由臂(321分隔,324),其特征在于,加强环(327)被布置在所述槽(318),其特征在于,布置在径向内侧的腿(321)有一个Axialhinterschnitt在轴向方向上, 使加强环(327)固定就位。 一种用于生产换向器的方法,所述提供第一换向器(55)和被布置成使得它们是圆柱形的环形布置在圆周方向上,然后在一个径向内腿((312)和一个径向外腿之间的槽(318)324 )一个加强环(318)被插入时,其特征在于,径向内腿(312)的加强环(318)的插入之后是分裂和内腿(312)的腿(333)的径向外侧部分被径向向外弯曲。