US Patent Issued to Schaeffler Technologies on Aug. 19 for "Planetary gearbox with thrust washer for two ring gears, axial ring gear support, thrust washer for a ring gear, and electric vehicle drive train with axially supported ring gears" (German Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,394, issued on Aug. 19, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).

"Planetary gearbox with thrust washer for two ring gears, axial ring gear support, thrust washer for a ring gear, and electric vehicle drive train with axially supported ring gears" was invented by Johann Averichev (Nuremberg, Germany), Sarah Sponsel (Aurachtal, Germany) and Peter Welker (Herzogenaurach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A planetary gearbox having two ring gears arranged in different planes, of which a first ring gear and a second ring gear are designed to mesh during operation with at least one planet gear of ...