ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,327, issued on Dec. 2, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).
"Cooled rotor of an electric machine" was invented by Christian Gilde (Karlsruhe, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor of a dynamoelectric radial flux machine and a dynamoelectric machine having such a rotor are provided. In order to design the rotor to be as efficient and cost-effective as possible, it includes a laminated rotor core with individual laminations stacked axially one above the other. Axially extending and circumferentially distributed cooling ducts and substantially radially extending inflow ducts are arranged...