Protective ring for gas turbine engine collector housing has cylinder of welded, prefabricated sheet metal bands, stiffening ribs as vertically protruding first sheet metal ring welded to cylinder, second ring coaxial to cylinder end

摘要

The ring (7) consists of a high tensile, stiff, penetration-proof (for fan blade fragments) and stable-shaped metal cylinder (8) with peripheral stiffening ribs (11). The cylinder consists of prefabricated sheet metal bands (9) joined by welding and the stiffening ribs consist of a vertically protruding first sheet metal ring welded to the metal cylinder and a second ring coaxial with the cylinder and welded to its free end.