Patent 9353641 was granted and assigned to Snecma on May, 2016 by the United States Patent and Trademark Office.
A turbine engine including a controller controlling clearance between tips of moving blades of a high-pressure turbine and an outer casing surrounding the blades, by cooling the outer casing by the impact of air taken from a high-pressure compressor stage of the engine, and by electric heating of top and bottom portions of the outer casing.