ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,444, issued on March 24, was assigned to RTX Corp. (Farmington, Conn.).

"Suction enabled post shutdown combustor cooling and core ventilation" was invented by Murat Yazici (Glastonbury, Conn.), Jeffrey T. Morton (Manchester, Conn.) and Konstantinos P. Giannakopoulos (Middletown, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A suction enabled post shutdown combustor cooling and ventilation system including a pump fluidly coupled with a suction line, wherein the suction line is fluidly coupled with suction ports proximate a fuel system component near the combustor; a pump suction valve positioned in the suction line upstream of the pump; a pum...