ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,715, issued on Aug. 4, was assigned to General Electric Co. (Evendale, Ohio).
"Rotor blade with frangible spar for a gas turbine engine" was invented by Nicholas Joseph Kray (Mason, Ohio) and Nitesh Jain (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor blade for a gas turbine engine is provided. The rotor blade includes a blade body formed of a first material; and a spar within a portion of the blade body, the spar formed of a second material that is different than the first material, the spar having an elongate body including a notch. The notch, weakened geometric feature, or other reduction in cross-section defines a frangib...