US Patent Issued to SiFly Aviation on Oct. 14 for "Rotor system for electrically powered rotorcraft" (Pakistani, American Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,464, issued on Oct. 14, was assigned to SiFly Aviation Inc. (Monte Sereno, Calif.).

"Rotor system for electrically powered rotorcraft" was invented by Brian L. Hinman (Carmel Valley, Calif.) and Muhammad Mubeen Javaid (Punjab, Pakistan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor system for electrically powered rotorcraft is described, providing the benefits of fast thrust response, depending on rotor inertia. The rotor system includes a rotor hub and two or more rotor blades, and an electric motor driving the rotor hub. The rotor hub includes a mechanism which adapts the collective pitch of the rotor blades in response to the torque appli...