ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,767, issued on Sept. 30, was assigned to DANA BELGIUM N.V. (Bruges, Belgium).
"Electric machine with a cooling assembly" was invented by Steven Vanhee (Hooglede, Belgium) and Joachim Druant (Houthulst, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for electric machine cooling. The electric machine, in one example, includes a rotor that includes an outer circumferential surface with one or more spiral grooves, a stator that circumferentially surrounds the rotor and includes end windings, and an air passage radially extending from the stator to an air gap between the stator and the rotor. The electric machine further incl...