ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,501, issued on Nov. 18, was assigned to DR. ING. H.C. F. PORSCHE AG (Stuttgart, Germany).
"Rotor and electric machine of an electric vehicle" was invented by Christian Koenen (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor of an electric machine of an electric vehicle includes a plurality of permanent magnets a rotor core, which includes a plurality of magnetic receptacle cavities, in each of which one permanent magnet is arranged. The permanent magnets are respectively connected to the rotor core via a spring-groove connection in a form-fit manner such that a displacement of the permanent magnets in a direction of an oute...