US Patent Issued to Schaeffler Technologies on March 3 for "Electric motor rotor including end ring restrainer" (Ohio Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,787, issued on March 3, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).

"Electric motor rotor including end ring restrainer" was invented by Tuo Luo (Copley, Ohio) and Wasi Uddin (Wooster, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "An induction motor rotor includes a magnetic metal core; and an electrically conductive metal contiguous with the magnetic metal core. The electrically conductive metal includes rotor bars extending along the magnetic metal core and end segments formed onto opposite ends of the rotor bars. Each of the end segments includes a base section extending a first axial distance from the mag...