ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,225, issued on Dec. 30, was assigned to Archer Aviation Inc. (San Jose, Calif.).
"Linked low pitch stop for tilting propellers" was invented by Nathan Storrs (Woodinville, Wash.) and Jonathan Beno (Bellevue, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tilt propeller for a vertical takeoff and landing (VTOL) aircraft includes a linked low pitch stop (LLPS). The LLPS serves as a secondary pitch control system that is activated when a primary pitch control system fails. The LLPS may include a pitch rod coupled to a propeller blade yoke, and a mechanical coupling that correlates the tilt angle of the propeller with a pitch angle setting of th...