FIELD: aircraft engine engineering. SUBSTANCE: compressor has internal housing 1 and outer housing 5 which encloses the internal housing. Guide vanes 2 and intermediate rings 3 are secured in the internal housing. The outer housing is rigidly secured to the internal housing through radial flanges 7,8. Ring chamber 6 defined by walls of internal housing 1 and outer housing 5 is sealed and is in communication with flowing part 12 of the compressor through nozzle openings. Branch pipes 9 are provided with rotatable gates 10 and is in communication with the passage of the outer loop of the engine. EFFECT: enhanced efficiency. 3 dwg
