US Patent Issued to Archer Aviation on June 9 for "Systems and methods for oil maintenance and distribution in electric engines for evtol aircraft" (California Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,582, issued on June 9, was assigned to Archer Aviation Inc. (San Jose, Calif.).

"Systems and methods for oil maintenance and distribution in electric engines for evtol aircraft" was invented by Bharat Tulsyan (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric propulsion system comprising an electric motor assembly. The electric motor assembly may include a rotor and a stator. The stator may have end windings. The electric propulsion system may include a main shaft connected to the rotor and a collar connected to a rotating component of the electric motor assembly. The collar may encircle the main shaft. The collar may includ...