ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,977, issued on Nov. 3, was assigned to Textron eAviation Inc. (Providence, R.I.).
"Aircraft emergency descent system and method" was invented by William Alexander Dean (Parkville, Md.) and Steven G. Hagerott (Wichita, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft emergency descent method includes setting a pre-set maximum collective blade pitch and a pre-set altitude as part of a failure procedure; monitoring rotor assemblies through an aircraft control system and a failure detection module; determining when a rotor assembly has failed; and activating the failure procedure. The failure procedure includes commanding a maximum torque ...