US Patent Issued to AUDI on June 23 for "Motor unit having flow generating unit to deliver air into a rotor gap to reduce friction" (German Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,472, issued on June 23, was assigned to AUDI AG (Ingolstadt, Germany).

"Motor unit having flow generating unit to deliver air into a rotor gap to reduce friction" was invented by Ivo Greiter (Eitensheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor unit is provided having an electric motor, which is arranged in a housing, wherein the motor unit comprises a lubricant circuit, which cools and lubricates the electric motor, wherein the electric motor comprises a stator and a rotor, which is mounted rotatably in the stator, being connected fixed to the housing, while between the stator and the rotor there is a rotor gap. The motor unit...