US Patent Issued to RTX on March 25 for "Aircraft hybrid propulsion fan drive gear system dc motors and generators" (Connecticut Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,135, issued on March 25, was assigned to RTX Corp. (Farmington, Conn.).

"Aircraft hybrid propulsion fan drive gear system dc motors and generators" was invented by Daniel Bernard Kupratis (Wallingford, Conn.), Frederick M. Schwarz (Glastonbury, Conn.), William G. Sheridan (Southington, Conn.) and Glenn Levasseur (Colchester, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion system is disclosed and includes a first gas turbine engine including a first input shaft driving a first gear system, a first fan driven by the first gear system, a first generator supported on the first input shaft and a fan drive electric motor provi...