ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,917, issued on Dec. 16, was assigned to General Electric Co. (Evendale, Ohio), GE Avio S.r.l. (Rivalta di Torino, Italy) and General Electric Deutschland Holding GmbH (Frankfurt, Germany).
"Counter-rotating turbine" was invented by Paul Hadley Vitt (Liberty Township, Ohio), Lyle Douglas Dailey (Cincinnati), Matteo Renato Usseglio (Turin, Italy) and Andreas Peters (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine section for a gas turbine engine defines a radial direction and includes a low-pressure (LP) turbine that includes a first plurality of LP turbine blades that includes a first stage having first stage LP turbine blades that ro...