US Patent Issued to RTX on Sept. 30 for "Planetary gear system arrangement with auxiliary oil system" (Connecticut Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,975, issued on Sept. 30, was assigned to RTX Corp. (Farmington, Conn.).

"Planetary gear system arrangement with auxiliary oil system" was invented by William G. Sheridan (Southington, Conn.), Michael E. McCune (Colchester, Conn.) and Lawrence E. Portlock (Bethany, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine includes a fan shaft diving a fan having fan blades. The gas turbine engine also includes a gear system including a sun gear surrounded by a plurality of intermediate gear, a carrier at least partially supporting said plurality of intermediate gears, and a ring gear surrounding said plurality of intermediate gears, ...