Patent ID: 7709992

Claim:
A stator assembly adapted for use in an electric motor, said assembly comprising: a stator core having an annular rim, a plurality of teeth extending radially inward from the rim, an outer diameter, a root tooth diameter and an inner diameter, each tooth of said plurality of teeth having a root, a neck extending inward from the root, a head opposite the root, and a length measured from its root to its head, said neck having a width, each adjacent pair of teeth of said plurality of teeth defining a slot having an area; and a winding comprising at least one of aluminum and copper wrapped around at least three teeth of said plurality of teeth of the stator core; wherein the stator core and winding have four, six or eight magnetic dipoles; wherein the stator core outer diameter is in a range from about 5.1 inches to about 5.9 inches; and wherein the stator core inner diameter is less than about 3.0 inches.