ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,143, issued on Sept. 30, was assigned to THE BOEING COMPANY (Arlington, Va.).
"Varying a pitch of a tiltrotor" was invented by Steven Paul Petullo (Bristow, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tiltrotor includes a plurality of blades that are circumferentially offset from one another. The tiltrotor also includes a pitch mechanism configured to cause the blades to pitch from a first blade pitch to a second blade pitch. The pitch mechanism includes a pitch actuator configured to move from a first pitch actuator position to a second pitch actuator position. The pitch mechanism also includes a link coupled to the pitch actuator. The li...