Radial diffuser for turboshaft engine e.g. turbojet of airplane, has slots whose shape and positioning are complementary to that of projecting portions such that projecting portions are embedded into slots

摘要

The diffuser has an upstream part connected to an outlet of a centrifugal compressor and comprising flanges (27, 28). Tops (60) of blades (23) are fixed to one flange (28) that is provided with a series of slots (50). The tops of the blades are notched such that the tops comprise projecting portions (61). Shape and positioning of the slots are complementary to that of the projecting portions such that the projecting portions are embedded into the slots. An independent claim is also included for a turboshaft engine.