The surface length of each of the stator teeth is greater than {TAIL ~ a sum} of a stroke length of the motor and an axial thickness of one of the magnets in {HEAD ~ the buried magnet system} 
The surface length of each of the stator teeth is greater than { TAIL ~ a sum } of a stroke length of the motor and an axial thickness of one of the magnets in { HEAD ~ the buried magnet system }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD