Patent ID: 7545069

Claim:
A rotational electric machine stator comprising: a first coil having a first and second end; a second coil having a first and second end, the second coil adjacent the first coil; a third coil having a first and second end, the third coil adjacent the second coil; a fourth coil having a first and second end, the fourth coil adjacent the third coil; a fifth coil having a first and second end, the fifth coil adjacent the fourth coil; a sixth coil having a first and second end, the sixth coil adjacent the fifth coil; a seventh coil having a first and second end, the seventh coil adjacent the sixth coil; and an eighth coil having a first and second end, the eighth coil adjacent the seventh and first coils, wherein the first end of each of the first and second coils is configured to receive a phase voltage; the first end of the third coil is coupled to the second end of the first coil, the first end of the fifth coil is coupled to the second end of the third coil, and the first end of the seventh coil is coupled to the second end of the fifth coil such that the first, third, fifth and seventh coils are electrically coupled in series to form a first circuit; the first end of the eighth coil is coupled to the second end of the second coil, the first end of the sixth coil is coupled to the second end of the eighth coil, and the first end of the fourth coil is coupled to the second end of the sixth coil such that the second, eighth, sixth and fourth coils are electrically coupled in series to form a second circuit; and the second end of the fourth coil is electrically coupled to the second end of the seventh coil, such that the first and second circuits are electrically coupled in parallel.