ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,598, issued on Nov. 25, was assigned to Hamilton Sundstrand Corp. (Charlotte, N.C.).

"Systems and methods for determining valve flutter" was invented by Patrick Begley (Boulder, Colo.), Myles R. Kelly (Willimantic, Conn.), Ronald D. Poisson (Longmeadow, Mass.) and Robert Mackinnon (Portland, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with at least one aspect of this disclosure, a system includes a first wire configured to electrically connect a valve stop to a voltage source, a second wire configured to connect a valve pin to a negative terminal of the voltage source, such that the valve stop, and a valve flap operatively con...