Either of the rotor or stator members is formed of groups of electromagnet pole pairs, the groups substantially equidistantly distributed along the angular extent of the annular ring, each of the groups comprising {HEAD ~ magnetic material} magnetically isolated and separated from {TAIL ~ the other groups} 
magnetically separated from
Either of the rotor or stator members is formed of groups of electromagnet pole pairs , the groups substantially equidistantly distributed along the angular extent of the annular ring , each of the groups comprising { HEAD ~ magnetic material } magnetically isolated and separated from { TAIL ~ the other groups }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL