{TAIL ~ An electronically commutated motor} has a permanent magnet rotor having: at least two rotor poles ; at least one phase ; a power stage ; and {HEAD ~ a rotor position sensor}  
{ TAIL ~ An electronically commutated motor } has a permanent magnet rotor having : at least two rotor poles ; at least one phase ; a power stage ; and { HEAD ~ a rotor position sensor }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD OTH