Patent ID: 8191229

Claim:
A method of producing a rotor comprising the steps of: assembling two magnet wheels so that each of a plurality of teeth on each of said magnet wheels is situated in the space existing between two consecutive teeth on the other magnet wheel; machining lateral faces of the teeth in order to produce a plurality of grooves receiving each of a plurality of magnetic elements, so that each of the two lateral faces of each tooth comprises one of said plurality of grooves that is able to partly receive one of said plurality of magnetic elements; and mounting each magnetic element in two grooves that are produced in the opposite faces of two adjacent teeth; wherein the machining step comprises a first phase of producing the plurality of grooves that emerge at a first axial end of the rotor and then a second phase of producing grooves that emerge at a second axial end of the rotor, so that two adjacent teeth each comprise at a maximum only one groove emerging at the base of the tooth.