Patent ID: 7737598

Claim:
A stator defining a stator axis, the stator comprising: a yoke including at least one of a recess and a protrusion on an inner surface of the yoke; a plurality of teeth, each tooth coupled to the inner surface of the yoke and defining a first recess, a first tooth end, and a second tooth end axially opposite the first tooth end, the first recess extending axially from the first tooth end toward the second tooth end, at least one tooth including the other of the recess and the protrusion to directly connect the tooth to the inner surface of the yoke; and a first coil including a first end coil and a second end coil, the first coil positioned on a first of the plurality of teeth such that the first end coil is disposed within the first recess such that the first end coil does not extend axially beyond the first tooth end.