US Patent Issued to Rolls-Royce North American Technologies on June 17 for "Flow draining enhancement system for engine sump cavities" (Indiana Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,667, issued on June 17, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Flow draining enhancement system for engine sump cavities" was invented by Jacob Harral (Indianapolis), Michael Kabbes (Indianapolis) and Michael Dornfeld (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Scavenge systems for a gas turbine engine including a valve positioned at a first drainage outlet of an enclosure to selectively open and evacuate liquid from the cavity through the first drainage outlet in response to the valve being submerged in liquid are provided. Methods of reducing suction of air from an enclosure of a cavity of a ...