ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,004, issued on June 2, was assigned to AMPERE S.A.S. (Boulogne Billancourt, France).
"Method for manufacturing a stator for an axial flux electric machine" was invented by Jere Kolehmainen (Saint-Aubin-les-Elbeuf, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a stator of an axial flow electric machine includes cutting slots on a lateral part of a strip of sheet metal, cutting recesses on an opposite lateral part of the strip to form coolant flow channels, winding the strip according to a radial stack, the recesses being cut by a double perforation symmetrical to a line orthogonal to the length of the strip, the rece...