US Patent Issued to RTX on March 3 for "Differential driven open rotor with brake" (Connecticut, Arizona Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,328, issued on March 3, was assigned to RTX Corp. (Farmington, Conn.).

"Differential driven open rotor with brake" was invented by Jeffrey T. Morton (Manchester, Conn.), Paul R. Hanrahan (Sedona, Ariz.), Andrew E. Breault (Bolton, Conn.) and Jon E. Sobanski (Glastonbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for an aircraft propulsion system includes an open propulsor rotor and a powertrain configured to receive power from a turbine and drive both the propulsor rotor and a compressor section at the same time in a first mode of operation. In a second mode of operation, a brake is applied that stops rotation of the propulsor...