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发明授权
CN103973006B 转子、定子以及电动机 有权 转让

转子、定子以及电动机
摘要：
转子包括在轴向上依次层积的4个转子芯、即第1～第4转子芯和分别介于第1～第4转子芯彼此之间的多个励磁磁石。第1～第4转子芯分别具有相同数量的第1～第4转子侧爪状磁极。第1～第4转子侧爪状磁极分别以等角度间隔在第1～第4转子芯上延伸形成。第1转子侧爪状磁极的顶端面与第3转子侧爪状磁极的顶端面在轴向上抵接或者靠近对置。第2转子侧爪状磁极的顶端面与第4转子侧爪状磁极的顶端面在轴向上抵接或者靠近对置。多个励磁磁石在轴向上被着磁，使第1以及第3转子侧爪状磁极作为第1磁极发挥作用，使第2以及第4转子侧爪状磁极作为第2磁极发挥作用。
摘要（英）：

A rotor with four axially stacked rotor cores, and a plurality of field magnets interposed between them. Each rotor core includes a rotor-side claw-shaped magnetic pole. Each rotor-side claw-shaped magnetic poles are respectively extending from and formed on each rotor core at equal angle intervals. Tip end surfaces of the first and third rotor-side claw-shaped magnetic pole abut against or are closely opposed to each other axially. Tip end surfaces of the second and fourth rotor-side claw-shaped magnetic poles abut against or are closely opposed to each other in the axial direction. The plurality of field magnets are magnetized in the axial direction such that the field magnets causes the first and third rotor-side claw-shaped magnetic poles to function as first magnetic poles, and cause the second and fourth rotor-side claw-shaped magnetic poles to function as second magnetic poles.

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