ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,052, issued on Feb. 17, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).
"Direct slot cooling in electric machines" was invented by Patrick Gramann (Renchen, Germany), Michael Heilmann (Karlsruhe, Germany), Jonas Kniel (Karlsruhe, Germany) and Alexander Keune (Kappelrodeck, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stator of a dynamoelectric rotary machine includes a stator body which has substantially axially extending slots, a stator winding, the conductors of which are located in the slots and spacers for positioning the conductors in the slots such that a cavity for the passage of a cooling medium tha...