METHOD FOR MANUFACTURING STATOR COIL, METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE, STATOR, AND ROTATING ELECTRICAL MACHINE
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Jan 17, 2023
filing date -
Jan 17, 2023
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Abstract
This method for manufacturing a stator coil of a rotating electrical machine includes: a winding step of arraying the plurality of conductive wires in one row and winding, while maintaining an arrayed state, each of the conductive wires a predetermined number of times on each of a plurality of the reels having different diameters, to form a plurality of coils connected to each other by a jumper wire; a gripping step of detaching each of the plurality of coils from the corresponding reel while maintaining the arrayed state of the plurality of conductive wires; and an insertion step of disposing, in the stator core, the plurality of gripped coils so as to stack the coils in an order of insertion into the core slots, and then inserting the coils into the core slots.
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