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    • 3. 发明授权
    • Method of manufacturing molded commutator
    • 制造换向器的方法
    • US08176619B2
    • 2012-05-15
    • US12067132
    • 2007-10-12
    • Hirofumi MizukamiNoriteru Maeda
    • Hirofumi MizukamiNoriteru Maeda
    • H01R43/06H01R43/10
    • H01R39/16H01C7/10H01R39/045H01R39/54H02K13/105H02K15/00Y10T29/49011Y10T29/49012
    • A method of manufacturing a molded commutator for a vacuum cleaner motor, includes providing a cylindrical molding ring; arranging commutator segments in a circle along an inner periphery of the cylindrical molding ring such that grooves are formed between adjacent pairs of the commutator segments and the grooves are extended orthogonal to the rotating direction; press-fitting cylindrical varistors between the commutator segments, with a press-fitting load for each of the varistors ranging from 2 kN to 5 kN; and resin-molding the commutator segments and the varistors together with a molding material so as to maintain integral engagement of the commutator segments and the varistors; wherein the commutator segments are of copper alloy containing silver, and the varistors are of zinc oxide compounds; wherein side surfaces of the varistors contact with the adjacent pairs of commutator segments; and flexible metal is printed on the contacting side surfaces of the varistors.
    • 一种制造用于真空吸尘器电动机的模制换向器的方法,包括提供圆柱形成型环; 沿着圆筒形模制环的内周排列整流子片段,使得在相邻的整流子片段对之间形成沟槽,并且沟槽垂直于旋转方向延伸; 整流子片之间的压配圆柱形变阻器,每个压敏电阻的压配负载范围为2 kN至5 kN; 以及与成型材料一起树脂成型整流子片段和压敏电阻器,以便保持整流子片段和压敏电阻器的整体接合; 其中所述换向器片是含有银的铜合金,并且所述变阻器是氧化锌化合物; 其中所述变阻器的侧表面与相邻的换向器片段接触; 并且柔性金属印刷在压敏电阻的接触侧表面上。