US Patent Issued to General Electric on March 18 for "Passive control of gas turbine clearances using ceramic matrix composites inserts" (American, Indian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,992, issued on March 18, was assigned to General Electric Co. (Evendale, Ohio).

"Passive control of gas turbine clearances using ceramic matrix composites inserts" was invented by Bhaskar Nanda Mondal (Bangalore, India), John Joseph Rahaim (Cincinnati), Thomas Moniz (Loveland, Ohio), Steven A. Ross (Wyoming, Ohio), Joel Kirk (Middletown, Ohio), Scott Hunter (Seattle) and Daniel Fusinato (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passive clearance control limits thermal expansion between stator components relative to rotor components. A control ring controls clearance in a passive manner and is located on or adjacent to stationary ...