US Patent Issued to DANA AUTOMOTIVE SYSTEMS GROUP on Nov. 3 for "Scallop shaped oil inlet rotor shaft design for motor and bearing cooling" (Ohio Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,509, issued on Nov. 3, was assigned to DANA AUTOMOTIVE SYSTEMS GROUP LLC (Maumee, Ohio).

"Scallop shaped oil inlet rotor shaft design for motor and bearing cooling" was invented by Tom Nahrwold (Napolean, Ohio) and Brian Sitterly (Norwalk, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lubrication distribution system comprising: a shaft comprising a scalloped shaped portion including a plurality of scalloped recesses configured to receive fluid and distribute the fluid to bearings of a traction motor, where radii of the scalloped recesses vary; and a plurality of distribution holes positioned proximate a circumference of the scalloped shaped p...