US Patent Issued to General Electric on Sept. 29 for "Apparatus and method of purging gas turbine exhaust trough to reduce hot flow leakage" (Indian Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,680, issued on Sept. 29, was assigned to General Electric Co. (Schenectady, N.Y.).

"Apparatus and method of purging gas turbine exhaust trough to reduce hot flow leakage" was invented by Veerraju Chennoju (Karnataka, India) and Debabrata Mukhopadhyay (Karnataka, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A purge box, which is added to an expansion joint between an exhaust diffuser and an aft diffuser, can include a cover plate and a T-fairing radially adjacent the cover plate. An inner fairing of T-fairing can be an extension of a duct of the exhaust diffuser and can be attached to a flex seal of the joint. A leg of the T-fairing extends ...