Compressor structure adapted for active clearance control

Details Compressor structure adapted for active clearance control Compressor structure adapted for active clearance control

F - Mech Eng,Light,Heat,Weapons

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F02C 7/18 (2006.01) F01D 11/08 (2006.01) F01D 25/14 (2006.01) F01D 25/24 (2006.01)

Patent

CA 1128422

COMPRESSOR STRUCTURE ADAPTED FOR ACTIVE CLEARANCE CONTROL ABSTRACT OF THE DISCLOSURE A compressor structure for a gas turbine engine capable of enhanced active clearance control within the compressor is disclosed. Various construction details which enable the discharge of cooling air against the compressor case and which minimize thermal distortion of the case are developed. The concepts are applied to a longitudinally split compressor case and include an external bleed manifold of circular cross section which extends across the longitudi- nal split in the case. Cooling air is dischargeable beneath the manifold to cool the case structure. Heat shields are provided in access ports to the manifold to inhibit heat transfer to the compressor case at the local regions of the ports. EH-6395

346418

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