| US 7,513,029 B2 | ||
| Tool for manufacturing coils for dynamoelectric machines and method therefor | ||
| Earl M. Ortt, Bel Air, Md. (US); David E. Abbott, Manchester, Md. (US); John R. Cochran, Baltimore, Md. (US); and Garrett P. McCormick, Manchester, Md. (US) | ||
| Assigned to Black & Decker Inc., Newark, Del. (US) | ||
| Filed on Feb. 01, 2006, as Appl. No. 11/344,820. | ||
| Claims priority of provisional application 60/649218, filed on Feb. 02, 2005. | ||
| Prior Publication US 2006/0207082 A1, Sep. 21, 2006 | ||
| Int. Cl. H02K 15/10 (2006.01) | ||
| U.S. Cl. 29—596 [29/605; 29/606; 29/732; 310/179] | 11 Claims |
| 1. A method of forming a coil for a dynamoelectric machine, comprising:
a) mating a male tool half of a coil winding tool with a female tool half of the coil winding tool where the female tool half
has a concave surface that faces an arcuate surface of a projection of the male tool half, the concave surface of the female
tool half spaced from the arcuate surface of the projection of the male tool half when the male and female tool halves are
mated together defining a winding cavity therebetween;
b) securing a leading edge of a magnet wire;
c) winding magnet wire around the projection of the male tool half to fill the winding cavity with magnet wire to form the
coil; and
d) bonding the magnet wire together in the winding cavity before removing the coil from the coil winding tool that includes
applying electric current to the magnet wire to heat it to activate heat activated adhesive on the magnet wire.
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