Method of manufacturing a diamond coil for a rotating electric machine

Claim 1

A manufacturing method for a diamond coil comprising: a first bending step of bending a straight conductor in a first plane containing the longitudinal axis of said conductor at eight points along the length of said conductor so as to produce eight bends, each of said bends being of at most 90 degrees, the portions of said conductor between adjacent points remaining straight, said eight points comprising a first and a second point which lie on either side of a reference point, a third point which lies between said first point and said reference point, a fourth point which lies between said second point and said reference point, a fifth point which lies between said third point and said reference point, a sixth point which lies between said fourth point and said reference point, a seventh point which lies between said fifth point and said reference point, and an eighth point which lies between said sixth point and said reference point; a second bending step following said first bending step of twisting said conductor about the longitudinal axis of said conductor so as to bend the portion between said first and third points and the portion between said fifth and seventh points out of said first plane in a direction which is normal to said first plane and so as to bend the portion between said second and fourth points and the section between said sixth and eighth points out of said first plane in the opposite direction; and a third bending step following said second bending step of bending said conductor in two about said reference point in a second plane which is perpendicular to said first plane and which contains the longitudinal axis of said conductor until the opposite ends of said conductor point in approximately the same direction.