US Patent Issued to RTX on Nov. 4 for "Dilution holes with ridge feature for gas turbine engines" (Connecticut Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,818, issued on Nov. 4, was assigned to RTX Corp. (Farmington, Conn.).

"Dilution holes with ridge feature for gas turbine engines" was invented by Dominic Mongillo Jr. (West Hartford, Conn.), Christopher Whitfield (Manchester, Conn.) and Tracy Propheter-Hinckley (Rocky Hill, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grommet may define a dilution hole in a combustor panel. The grommet may comprise a ridge having a stepped geometry formed about an inner diameter of the grommet, the ridge comprising a passage. The passage may comprise an outlet. The ridge may further comprise a fillet about the inner diameter of the grommet, wherein the outl...