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    • 21. 发明专利
    • Carbon commutator
    • 碳交换机
    • JP2009027792A
    • 2009-02-05
    • JP2007186464
    • 2007-07-18
    • Mitsuba Corp株式会社ミツバ
    • IKARUGA TAKAO
    • H02K13/00H01R39/04H01R39/16
    • PROBLEM TO BE SOLVED: To provide a carbon commutator in which a bonding state between a riser and a segment is excellent.
      SOLUTION: In a commutator 1 in which a riser metal 5 configuring the commutator is bonded to a segment 3 using solder, a segment bonding portion equivalent portion 8a formed in a ring of a metal plate 8 used as a riser metal 5 is soldered to one cylindrical end surface 7a of a cylindrical carbon substrate 7 in a step prior to molding of a boss 2. A through hole 8e is formed on the segment bonding portion equivalent portion 8a so that bubbles generated in soldering to the carbon substrate 7 can be evacuated to the outside through the through hole 8e.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种其中提升管和段之间的结合状态优异的碳转换器。 解决方案:在其中使用焊料将构成换向器的提升板金属5接合到段3的换向器1中,形成在用作提升板金属5的金属板8的环中的段接合部等效部分8a是 在成型凸台2之前的一个步骤中焊接到圆柱形碳基板7的一个圆柱形端面7a上。在分段接合部分等效部分8a上形成通孔8e,使得在与碳基板7的焊接中产生的气泡可以 通过通孔8e被抽空到外部。 版权所有(C)2009,JPO&INPIT
    • 25. 发明专利
    • Fuel feeder and manufacture thereof
    • 燃油给料机及其制造
    • JPS5776257A
    • 1982-05-13
    • JP13789981
    • 1981-09-03
    • Bosch Gmbh Robert
    • MARUCHIN SHIYORUPU
    • F02M37/10F02B3/06H01R39/04H01R39/16H01R43/08
    • H01R39/04F02B3/06H01R39/16H01R43/08
    • An electric motor in which the commutator and brushes have high resistance to wear even when wetted by, for example diesel fuel, is provided for a fuel delivery unit. The motor has carbon brushes (16) and the individual commutator segments (25) on base member (24) consist of sintered carbon and a binding agent. A copper metal layer (55) soldered to the individual connecting elements (56) is provided at one end surface of the segments (25) and terminal wires (57) of the armature winding packet are connected to the individual connecting elements. The commutator (15) may be produced by sintering carbon containing material with a simultaneous sintering-on of the copper metal layer 55, forcing ring (15) member (24) and soldering the copper layer (55) to the connecting elements (56), casting resin (59) into longitudinal grooves in the ring (15), and sawing the ring (15) in a radial direction so that the individual segments (25) are separated from one another. Pump (1) may be roller type in which a second suction region (44) ensures removal of gases/vapours from the suction or pump region. Other pump types are mentioned.
    • 28. 发明授权
    • Carbon commutator
    • 碳换向器
    • US5932949A
    • 1999-08-03
    • US70977
    • 1998-05-01
    • William E. ZieglerWilliam A. Bauer
    • William E. ZieglerWilliam A. Bauer
    • H01R39/04H01R39/06H01R39/16H01R43/06H02K13/00H02K15/02
    • H01R39/06H01R39/045Y10S228/903Y10S29/012Y10S29/029Y10T29/49011Y10T29/49144
    • A carbon-segment face commutator assembly for an electric motor includes an annular array of copper conductor sections stamped from a single copper blank. The annular array is overmolded with an electrical-conducting resin-bonded carbon composition that mechanically interlocks the conductor sections and defines a circular commutating surface. During overmolding, radial grooves are formed in a bottom surface of the carbon overmold opposite the commutating surface. An annular hub is then formed by overmolding an insulator material around and under the carbon overmold and the conductor section array. The hub insulator material flows into the radial grooves of the carbon overmold and leaves only the circular-commutating surface exposed. The carbon overmold is formed into an annular array of eight electrically-isolated carbon segments by machining radial slots inward from the commutating surface of the carbon overmold to the underlying radial grooves. The slots are cut slightly into the insulator material occupying the radial grooves to ensure that the carbon overmold is completely cut through and the carbon segments are electrically isolated from each other.
    • 一种用于电动马达的碳段面整流子组件包括从单个铜箔冲压的铜导体部分的环形阵列。 环形阵列用导电树脂粘合的碳组合物包覆成型,其将机械地互锁导体部分并限定圆形的换向表面。 在包覆模制过程中,在与整流表面相对的碳包覆模具的底表面上形成径向凹槽。 然后通过在碳包覆模制和导体部分阵列周围和下方包覆模制绝缘体材料来形成环形毂。 轮毂绝缘体材料流入碳包覆模具的径向凹槽,并且仅露出露出的圆形换向表面。 通过从碳包覆模具的换向表面向内径向下降的径向凹槽加工径向槽,形成八个电隔离碳段的环形阵列。 狭槽被切割成占据径向凹槽的绝缘体材料,以确保碳包覆模具被完全切割并且碳链段彼此电隔离。