Concentrated winding stator coil for an electric rotary machine

Details Concentrated winding stator coil for an electric rotary machine Concentrated winding stator coil for an electric rotary machine

2006-12-12

2006-12-12

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000, C310S208000, C310S260000

Reexamination Certificate

active

07148593

ABSTRACT:
A first layer coil is wound around the surface of a tooth in a direction advancing from a proximal end portion to a distal end portion of this tooth. A second layer coil is wound on the first layer coil in a direction advancing from the distal end portion to the proximal end portion of the tooth coil. Lead wires extend outward in the radial direction from a winding start end of the first layer coil and a winding terminal end of the second layer coil. Respective tooth coils of the same phase are serially connected to arrange three phase windings. A crossover bus bar group is accommodated in a space having a square cross section defined by a core back and a coil end of the tooth coil.

REFERENCES:
patent: 6255756 (2001-07-01), Richter
patent: 6600244 (2003-07-01), Okazaki et al.
patent: 2003/0201688 (2003-10-01), Yamamura et al.
patent: 1 193 829 (2002-04-01), None
patent: 2 830 994 (2003-04-01), None
patent: A 2001-25198 (2001-01-01), None
patent: A 2001-186703 (2001-07-01), None

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