ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,225, issued on May 26, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"System and method for managing electric motor propulsion command limits on a hybrid rotorcraft" was invented by Poi Loon Tang (Coquitlam, Canada) and Xuening Lu (Oakville, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving a torque load demand associated with a rotor, and a gas-turbine engine (GTE) power measurement among first measurements from a GTE. The method includes determining whether the torque load demand is within operating limits of the GTE without assistance from a motor, based on the first measurements compared to a co...