US Patent Issued to Archer Aviation on Nov. 18 for "Aircraft propulsion system including pump gear driven by planetary gearbox assembly" (California Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,074, issued on Nov. 18, was assigned to Archer Aviation Inc. (San Jose, Calif.).

"Aircraft propulsion system including pump gear driven by planetary gearbox assembly" was invented by Scott Graves (Felton, Calif.) and Alan D. Tepe (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric propulsion system for a vertical take-off and landing (VTOL) aircraft having a heat exchanger to cool fluids used in an electrical engine, the electric propulsion system comprising at least one electrical engine mechanically connected directly or indirectly to a fuselage of the VTOL aircraft and electrically connected to an electrical power source. ...