Compressor structure adapted for active clearance control

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

1979-03-28

1981-05-19

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

415175, 60727, F02C 716

Patent

active

042682215

ABSTRACT:
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 longitudinal 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.

REFERENCES:
patent: 3451215 (1969-06-01), Barr
patent: 3777489 (1973-12-01), Johnson et al.
patent: 4034558 (1977-07-01), Korta et al.
patent: 4069662 (1978-01-01), Redinger et al.

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