ROTARY ELECTRIC MACHINE
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United States of America Patent
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Mar 14, 2016
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Mar 14, 2016
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Abstract
The present disclosure generally relates to a rotary electric machine having a stator winding in which bobbins forming a coil are arranged in a circumferential direction. The bobbin includes plate-like flanges on an inner and outer circumferential side. Each flange has edges corresponding to a circumferential and an axial direction. One or more plate-like members form two or more groove portions in a radial direction in parallel with the flanges between the flanges provided on the inner and outer circumferential sides. The coil includes an electric wire wound around the groove portion between the flange and the plate-like member and the groove portion between adjacent plate-like members. As such, the electric wires can be wound in an aligned manner between the plate-like members. Also, slot space factor is improved, coil end is reduced, and output and efficiency of the rotary electric machine is improved.
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