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    • 1. 发明授权
    • Electric motor with novel stator construction
    • 具有新型定子结构的电动机
    • US4174485A
    • 1979-11-13
    • US836495
    • 1977-09-26
    • George B. SodenHasit H. ParikhRichard J. Kavanaugh
    • George B. SodenHasit H. ParikhRichard J. Kavanaugh
    • H02K1/14H02K5/04H02K5/00
    • H02K5/04H02K1/145
    • An electric motor has a stator construction which includes identical facing cup shaped members having a circumferential surface which includes a plurality of tabs and recesses. The tabs of one cup shaped member are dimensioned and configured for an engagement with the recesses of the other cup shaped member to positively position axially and radially each cup shaped member relative to the other. In one form the tabs may have a negative taper such that the base extremity of the tab has a smaller width than the other extremity of the tab. The negative taper produces a more pronounced interference fit and causes the cups to snap together without the necessity for cementing, welding, or other metal joining process. Each cup in one form is also provided at a plurality of angularly spaced recesses for receiving two identical generally planar plates having cooperating tabs and upstanding pole pieces. The recesses in one form extend along the circumferential surfaces to the tabs.
    • 电动机具有定子结构,其包括具有包括多个突出部和凹部的圆周表面的相同的相对的杯形部件。 一个杯形构件的突出部的尺寸和构造用于与另一杯形构件的凹部接合,以相对于另一杯形构件轴向和径向地定位每个杯形构件。 在一种形式中,突片可以具有负锥形,使得突片的基部末端具有比突片的另一个末端更小的宽度。 负锥度产生更明显的过盈配合,并使杯子卡扣在一起,而不需要固井,焊接或其他金属接合过程。 一种形式的每个杯也设置有多个角度间隔开的凹部,用于接收具有配合突片和直立极片的两个相同的大致平面的板。 一种形式的凹槽沿圆周表面延伸到凸片。