US Patent Issued to WIELAND-WERKE on May 12 for "Rotor of an electric asynchronous machine and method for its production" (German Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,187, issued on May 12, was assigned to WIELAND-WERKE AG (Ulm, Germany).

"Rotor of an electric asynchronous machine and method for its production" was invented by Gerhard Thumm (Erbach, Germany), Volker Voggeser (Senden, Germany), Michael Wolf (Ulm, Germany) and Jochen Walliser (Ulm, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor of an electric asynchronous machine including a shaft, a rotor core and short-circuit rings attached to end faces of the rotor. The shaft has an outer lateral radial surface, a cavity extending axially, at least one passageway located on the lateral surface, and at least one channel connecting the cavity to th...