Coil for electric machine and manufacturing method thereof

Details Coil for electric machine and manufacturing method thereof Coil for electric machine and manufacturing method thereof

1996-05-16

1998-02-03

LaBalle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310263, H02K 304, H02K 300, H02K 122

Patent

active

057148228

ABSTRACT:
A magnet wire having generally round cross section is taken out from a wire pack and formed by a forming roller mechanism into a polygonal shape in cross section to be wound on a bobbin tightly, thereby increasing the space factor of a coil. Then, magnet wire having round cross section is wound in a portion where pressure may be applied from the outside. Since the round wire is easy to move and able to dodge the pressure, a reliable coil of a high space factor can be obtained.

REFERENCES:
patent: 4228377 (1980-10-01), Kreuzer
patent: 4925125 (1990-05-01), LeCompte
patent: 4988055 (1991-01-01), Sakai et al.
patent: 5154366 (1992-10-01), LeCompte
patent: 5174013 (1992-12-01), Hiroshima et al.
patent: 5209416 (1993-05-01), LeCompte
patent: 5574324 (1996-11-01), Hirama et al.

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