Lip structure for air intake nozzle of jet engine, has heating electric element connected to power supply, where heating electric element is situated between internal skin and external skin of structure

摘要

The structure (7) has a heating electric element (14) connected to a power supply, where the heating electric element is situated between an internal skin (13) and an external skin (12) of the structure. The external skin is directed towards exterior of a lip, and the internal skin is directed towards interior of the lip. A sound attenuation zone presenting perforations (11) that traverse the structure and is associated to a sound attenuation structure provided on the internal skin.