Intermediate case for e.g. double flow gas turbine engine, has bulkhead extending inside radial arm, and made of same casting molten metal of arm, hub and shell, where bulkhead arranges two passages in radial arm

摘要

#CMT# #/CMT# The case has radial arms between an internal hub (110) and a shell (120), where one radial arm (116-1) is hollow and forms a passage for an engine compartment of a turbine engine. The radial arm, shell, hub and walls (114a, 114b) form a casting made from a single casting molten metal. A bulkhead (C) extends inside the radial arm, and is made of the same casting molten metal of the arm, hub and the shell. The bulkhead arranges two passages (B123A, B123a) in the radial arm, where the passages are sealed with respect to each other. #CMT#USE : #/CMT# Used in a turbine engine (claimed) e.g. multiple flow turbine engine and double flow gas turbine engine, that is utilized in a civilian application for driving a commercial aircraft that is utilized for passenger traffic or cargo. #CMT#ADVANTAGE : #/CMT# The bulkhead arranges the passages in the same radial arm, thus maintaining minimum dimensions of the intermediate case, while optimizing the interior space in the radial arm. The passages are sealed with respect to each other, thus enabling the sealing to associate the passage with respect to the other passage without the risk of pollutions creating malfunctioning from one passage to the other passage. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows an axial sectional view of a radial arm of an intermediate case. B123a, B123A : Passages C : Bulkhead 110 : Internal hub 114a, 114b : Walls 116-1 : Radial arm 120 : Shell.