ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,392, issued on Aug. 19, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"Master-slave hybrid-electric powertrain control architecture with supervisory power management control" was invented by Xuening Lu (Oakville, Canada), Poi Loon Tang (Coquitlam, Canada), Richard Freer (Mont-Sainte-Hilaire, Canada) and Louis-Philippe Larose (St-Sabine, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a hybrid electric powertrain (HEP) may include determining, based on a HEP torque demand a maximum torque limit for a gas turbine engine having a mechanical output coupled to a power shaft of the HEP, a target torque for t...