ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,835, issued on April 7, was assigned to Innomotics GmbH (Nuremberg, Germany).
"Rotor having a squirrel cage" was invented by Ekkehard Ressel (Heilsbronn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor of a rotary dynamoelectric machine incudes a magnetically conductive body, having substantially axially running slots distributed around the circumference. A squirrel cage includes electrical conductors which are arranged in the slots. The electrical conductors are electrically contacted at the two end faces of the rotor by short-circuit rings. The magnetically conductive body includes a base body and at least two further additional bod...