H - Electricity – 01 – B
Patent
H - Electricity
01
B
26/119, 327/27,
H01B 13/08 (2006.01)
Patent
CA 1257668
ABSTRACT OF THE DISCLOSURE In a method of manufacturing a heating coil assembly for electromagnetic induction cooking heater in which a coil supporting base and a flat shaped coil winding frame are mounted on the spindle of a coil winding machine in such a manner as to form a coil receiving space there- between, and a wire is wound in the space to form a coil, the coil supporting base and/or the coil winding frame has protrusions which extend in the space at the middle part, to vary the coil winding pitch t whereby the coil thus formed has a gap at the middle part, thus showing a uniform temperature distribution when energized.
524667
Kihira Kazunobu
Mori Masaya
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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