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    • 5. 发明授权
    • Electric rotating machine having improved insulation for an armature coil
    • 具有改进的用于电枢线圈的绝缘的旋转电机
    • US5864193A
    • 1999-01-26
    • US768232
    • 1996-12-17
    • Masahiro Katoh
    • Masahiro Katoh
    • H02K1/26H02K3/12H02K3/30H02K3/34H02K13/08H02K23/26H02K3/32
    • H02K1/265H02K3/12H02K3/30H02K3/34H02K13/08H02K23/26
    • An electric rotating machine is constructed by an armature core including slots, upper coil trunks and lower coil trunks housed within the slots of the armature core, lower coil arms electrically connected at one end parts of the lower coil trunks, respectively disposed generally perpendicularly to the shaft, and upper coil arms electrically connected at one end parts to the upper coil trunks, respectively disposed generally perpendicularly to the shaft, and connected at the other end parts to the other end parts of the lower coil arms respectively. An insulating film for the upper coil trunk is made of an inorganic material having a higher heat resistance than an insulating film for the lower coil trunk and the insulating film for the upper coil trunk is thicker than the insulating film for the lower coil trunk. The slot has a circumferentially widened portion for housing the upper coil trunk and its insulating film.
    • 旋转电机由电枢铁心构成,电枢铁芯包括容纳在电枢铁芯槽口内的槽,上线圈中继线和下线圈干线,下电线圈臂电连接在下线圈干线的一端,分别大致垂直于 轴和上线圈臂在一端部电连接到大体上垂直于轴设置的上线圈主干,并且在另一端部分别连接到下线圈臂的另一端部。 用于上线圈主体的绝缘膜由具有比用于下线圈主体的绝缘膜更高的耐热性的无机材料制成,并且用于上线圈主干的绝缘膜比用于下线圈主干的绝缘膜厚。 槽具有用于容纳上线圈主体及其绝缘膜的周向加宽部分。