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    • 41. 发明公开
    • Armature for dynamoelectric machine
    • Ankerfürdynamoelektrische Maschine。
    • EP0018563A1
    • 1980-11-12
    • EP80102109.8
    • 1980-04-18
    • Humbert, Marcel E.
    • Humbert, Marcel E.
    • H02K23/54H02K3/12H02K1/26
    • H02K3/12H02K1/26H02K23/54
    • The wire wound disc type armature(26) has a disc shaped body (28) mounted on a central shaft (30) with a commutator formed of spaced insulated commutator elements (32) located around it. The disc shaped body (28) has opposing flat sides (34, 36) on which a predetermined number of wire windings are located. The insulated wire forming each winding extends outwards from the commutator through a U-shaped wire channel (38) on one side of the disc shaped armature (26) and back through a corresponding wire channel (38) on the other side. The disc shaped body (28) of the armature (26) is formed of high strength plastic and the wire channels are formed of laminated steel. In one embodiment, the wire then passes through an aperture in the disc shaped body associated with each winding and back out through the first wire channel (38) and this is repeated until a winding of a desired number of turns is formed in the two channels (38). This structure and winding configuration provides the significant advantage that the amount of wire used which does not pass through the magnetic field during use is kept to a minimum. This reduces initial wire costs and more significantly, decreases heat and other losses which otherwise occurs in the excess wire, as well as minimizes interference currents which may be induced on current reversals.
    • 绕线盘式电枢(26)具有安装在中心轴(30)上的盘形体(28),其具有由位于其周围的间隔开的绝缘换向器元件(32)形成的换向器。 盘形体(28)具有相对的平坦侧面(34,36),在其上设有预定数量的线绕组。 形成每个绕组的绝缘线从换向器向外延伸通过在盘形电枢(26)的一侧上的U形导线通道(38)向外延伸并且通过另一侧上的对应的线路通道(38)向后延伸。 电枢(26)的盘形体(28)由高强度塑料形成,并且电线通道由层压钢制成。 在一个实施例中,线然后通过与每个绕组相关联的盘形体中的孔,并通过第一线路(38)返回,并且这被重复,直到在两个通道中形成所需匝数的绕组 (38)。 这种结构和绕组配置提供了在使用期间不通过磁场的使用量保持最小的显着优点。 这降低了初始电线成本,并且更显着地减少了额外电线中发生的热量和其他损耗,并且最小化了可能在电流反向时引起的干扰电流。
    • 49. 发明公开
    • ELECTRICAL MACHINE WITH HYBRID TOOTH DESIGN
    • EP3648305A1
    • 2020-05-06
    • EP18203383.7
    • 2018-10-30
    • Siemens Gamesa Renewable Energy A/S
    • Azar, ZiadDuke, Alexander
    • H02K1/14H02K1/16H02K1/26H02K7/18
    • It is described a stator segment (100) for the stator (11) or the rotor (12) of an electrical machine (10) including a segment body (22) circumferentially extending about a longitudinal axis (Y) of the stator segment (100) between two circumferential ends (23). The segment body (22) includes:
      - a plurality of teeth (15, 16) protruding according to a radial direction orthogonal to the longitudinal axis (Y), each tooth (15, 16) circumferentially extending between two respective side faces (25, 26), the plurality of teeth (15, 16) being circumferentially distributed between two end teeth (15) of the plurality of teeth (15, 16), the plurality of teeth (15, 16) comprising at least one intermediate tooth (16) circumferentially comprised between the end teeth (15)
      - a plurality of slots (17, 18), the plurality of slots (17, 18) comprising a plurality of intermediate slots (18) circumferentially comprised between the two end slots (17), wherein the side faces (25) of the two end teeth (15) are inclined with respect to each other or parallel to each other and the side faces (26) of the at least one intermediate tooth (16) are respectively parallel to each other or inclined with respect to each other.