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In manufacturing the iron core of a divided stator, a plurality of pole pieces with fitting portions formed on both sides of pole portions are laminated and fixed to one another. A plurality of the pole piece laminates are arranged in the form of a ring and the outer or inner circumference is held w

In manufacturing the iron core of a divided stator, a plurality of pole pieces with fitting portions formed on both sides of pole portions are laminated and fixed to one another. A plurality of the pole piece laminates are arranged in the form of a ring and the outer or inner circumference is held with a jig. A non-magnetic and high-rigidity connecting member is press-fit in the laminating direction into fitting portions of a plurality of adjacent pole piece laminates, thereby a plurality of adjacent pole piece laminates are positioned with high accuracy and rigidly connected to one another.

대표청구항 ▼

In manufacturing the iron core of a divided stator, a plurality of pole pieces with fitting portions formed on both sides of pole portions are laminated and fixed to one another. A plurality of the pole piece laminates are arranged in the form of a ring and the outer or inner circumference is held w

In manufacturing the iron core of a divided stator, a plurality of pole pieces with fitting portions formed on both sides of pole portions are laminated and fixed to one another. A plurality of the pole piece laminates are arranged in the form of a ring and the outer or inner circumference is held with a jig. A non-magnetic and high-rigidity connecting member is press-fit in the laminating direction into fitting portions of a plurality of adjacent pole piece laminates, thereby a plurality of adjacent pole piece laminates are positioned with high accuracy and rigidly connected to one another. et al.; US-5439785, 19950800, Boston et al.; US-5462696, 19951000, McGinniss et al.; US-5468498, 19951100, Morrison et al.; US-5470449, 19951100, Bachot et al.; US-5474857, 19951200, Uchida et al.; US-5478878, 19951200, Nagaoka et al.; US-5492769, 19960200, Pryor et al.; US-5492954, 19960200, Babiarz et al., 524/241; US-5500759, 19960300, Coleman; US-5509960, 19960400, Simpson et al.; US-5512389, 19960400, Dasgupta et al.; US-5514742, 19960500, Gardner et al., 524/119; US-5534472, 19960700, Winslow et al.; US-5536583, 19960700, Roberts et al.; US-5548125, 19960800, Sandbank; US-5627079, 19970500, Gardella, Jr. et al.; US-5703173, 19971200, Koloski et al.; US-5977241, 19991100, Koloski et al.