wrapped around different of the salient poles in different directions relative to the rotor the second coil set having three phases each of the phases comprising a first coil and a second coil connected in series and wrapped around different of the salient poles in different directions relative to the rotor a driver configured to drive the first coil set with a first three phase voltage and to drive the second coil set with a second three phase voltage the driver configured to drive the first phase of the first three phase voltage and the first phase of the second three phase voltage with a relative phase shift application_number US 201013259616 A description at the outset it should be clearly understood that like reference numerals are intended to identify the same structural elements portions or surfaces consistently throughout the several drawing figures as such elements portions or surfaces may be further described or explained by the entire written specification of which this detailed description is an integral part unless otherwise indicated the drawings are intended to be read e g cross hatching arrangement of parts proportion degree etc together with the specification and are to be considered a portion of the entire written description of this invention as used in the following description the terms u201c horizontal u201d u201c vertical u201d u201c left u201d u201c right u201d u201c up u201d and u201c down u201d as well as adjectival and adverbial derivatives thereof e g u201c horizontally u201d u201c rightwardly u201d u201c upwardly u201d etc simply refer to the orientation of the illustrated structure as the particular drawing figure faces the reader similarly the terms u201c inwardly u201d and u201c outwardly u201d generally refer.