ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,621, issued on Feb. 24, was assigned to DR. ING. H.C. F. PORSCHE AG (Stuttgart, Germany).
"Drive unit" was invented by Stefan Oechslen (Stuttgart, Germany) and Simon Kuebler (Untergruppenbach Unterheinriet, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive unit includes an electric motor for propulsion and a cooling system. The electric motor includes a stator assembly and a rotor assembly, the stator assembly including a housing, a core with grooves, and a winding assembly. The winding assembly extends through the grooves. The housing includes a housing inlet and outlet. The cooling system includes a first cooling circuit to enable a d...