Air intake system of a propeller-turbine engine

摘要

An air intake system of a propeller-turbine engine with a propeller gearbox 1 in in-line arrangement, includes one or more intake units 3 arranged essentially below a nacelle fairing 2 of the propeller-turbine engine with each intake unit 3 being related to a elbow diffuser 19, a shock diffuser 4, and a rotationally symmetric attenuation chamber 5 into which the respective shock diffuser 4 issues and which is connected to the compressor inlet 6 of the propeller-turbine engine.