Patent 9169045 was granted and assigned to Rolls-Royce on October, 2015 by the United States Patent and Trademark Office.
A gas turbine engine blade containment arrangement comprises a casing, a first layer of cellular material arranged within the casing, a septum layer within the first layer of cellular material, a second layer of cellular material within the septum layer, a strong and ductile layer within the second layer of cellular material and a layer of abradable material within the strong and ductile layer.