High speed motor coils

Details High speed motor coils High speed motor coils

2006-06-13

2006-06-13

Waks, Joseph (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07061153

ABSTRACT:
An electric motor may include a plurality of stationary field coils. The field coils are disposed so that they are overlap and are nested with adjacent field coils. A portion of each coil is disposed above a portion of an adjacent coil, and a portion of each coil is disposed beneath another adjacent coil. The average radial distance of the coils from the rotational center of the motor rotor is substantially the same. This arrangement of coils facilitates rotation of the rotor at relatively high speed for applications such as flywheel storage batteries because it reduces or eliminates variations in the torque produced by the coils. In an embodiment, the coils are bent so that they are nested. By bending the coils, the coils overlap and the air gap within the motor is minimized.

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