ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,901, issued on Sept. 23, was assigned to RTX Corp. (Farmington, Conn.).
"Carbon radial seal" was invented by Jonathan L. Miller (Belchertown, Mass.), Jonathan F. Zimmitti (Glastonbury, Conn.), Christopher Charles Killian (Coatesville, Pa.) and Bryan Richard Camerlin (Bozeman, Mont.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A machine has: an outer member; an inner member having an outer diameter (OD) surface; and a seal system. A seal housing is mounted to the outer member and has first and second walls; a first seal stage contacting the OD surface and the first wall; a second seal stage contacting the OD surface and the second wall; and a wave...