Gas turbine engine case

摘要

A case (30) for a gas turbine engine includes a single-piece case (30) that includes a combustor case portion (30a) and a turbine case portion (30b) that is integrally formed with the combustor case portion (30a) as one piece (30). In one example, the single-piece case (30) includes a transition duct/mid-turbine frame case portion (30c) which is integrally formed with the combustor and turbine case portions (30a,30b).