Patent ID: 6438941
Filing Date: 2002-08-27
Classification: F01D,F02C,F04D

Abstract:
An air bleed assembly for extracting air from a flowpath in a gas turbine engine, said assembly comprising:a casing for surrounding a row of circumferentially spaced apart rotor blades and which at least in part defines the flowpath for receiving air compressed by said rotor blades, said casing including a bleed port disposed downstream of a row of said blades for receiving a portion of said compressed air as bleed airflow, a bleed duct extending away from said bleed port, said bleed duct including an annular slot in said casing and an annular bifurcated splitter, and said bifurcated splitter having an annular leading edge forebody located upstream of and separated from an annular splitter wall by an annular return channel.