H - Electricity – 02 – K
Patent
H - Electricity
02
K
26/130
H02K 15/04 (2006.01) B65H 55/04 (2006.01) H01F 41/06 (2006.01)
Patent
CA 1263011
503050 ABSTRACT OF THE DISCLOSURE A double-layer coil for an electric motor is formed of single continuous conductor with the two layers being wound simultaneously. A first length of conductor is wound about a pulley to form a coil and at the end of that coil but without breaking the conductor another coil is commenced to be wound about a rotating bobbin, with the coil of the first length wound on the pulley being caused to orbit the bobbin at a rate twice the bobbin rotation speed, whereby the conductor coil in unwound from the pulley and rewound on the bobbin and at the same time the conductor is being wound about the bobbin to form a second coil, thereby forming both layers of the coil simultaneously.
492582
Ishii Takayuki
Yamauchi Yuji
Gowling Lafleur Henderson Llp
Sony Corporation
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