US Patent Issued to TEXTRON INNOVATIONS on Dec. 30 for "System and method for protection against vortex ring state" (Texas Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,222, issued on Dec. 30, was assigned to TEXTRON INNOVATIONS INC. (Providence, R.I.).

"System and method for protection against vortex ring state" was invented by Albert Gerard Brand (North Richland Hills, Texas) and Ronald Lorenz Kisor (Coppell, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for protecting a rotorcraft from entering a vortex ring state, the method including monitoring a vertical speed of a rotorcraft, comparing the vertical speed to a vertical speed safety threshold, and performing vortex ring state (VRS) avoidance in response to the vertical speed exceeding the vertical speed safety threshold. The performi...