ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,850, issued on Jan. 13, was assigned to Audi AG (Ingolstadt, Germany).

"Coolant supply system for an electric machine" was invented by Harald Gloede (Pforring, Germany) and Christian Prutting (Kosching, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coolant supply system for an electric machine, in which a free electric machine space is provided in the axial direction between the rotor/stator arrangement and an electric machine housing wall, to which coolant can be applied, in particular for stator cooling. The electric machine has a rotor shaft bearing arrangement in which the rotor shaft is rotatably mounted in a hub section of the elect...