DEVICE FOR DE-ICING THE INLET OF A NACELLE OF AN AIRCRAFT ENGINE, METHOD FOR PRODUCING SUCH A DE-ICING DEVICE, AND AIRCRAFT ENGINE NACELLE PROVIDED WITH SUCH A DE-ICING DEVICE

摘要

A de-icing device is provided that includes a piccolo tube integrated with a front bulkhead for limiting an inner volume of a perforated front lip. The piccolo tube is in contact with a noise reduction cellular structure provided with perforations and hot air circulation channels delivered by the piccolo tube, the de-icing hot air being diffused through the perforations and channels of the cellular structure, on the perforations facing the front lip.

主权项

1. A device for de-icing an air intake of an aircraft engine nacelle, of a kind comprising a hot air generator connected by at least one duct to a piccolo tube disposed in relation with an inner volume of a front lip of the nacelle, the front lip being provided with perforations for a flow of de-icing hot air and at least one noise reduction cellular structure disposed on at least one portion of the perforated skin of the intake lip, the cellular structure being of a kind having a plurality of channels for circulation of the hot air diffused by the piccolo tube, wherein the piccolo tube has an annular profile integrated to a front bulkhead for limiting the inner volume of the front lip and in that the piccolo tube is provided with a plurality of perforations to carry out diffusion of hot air supplied by one or more duct(s) from the hot air generator through said front bulkhead, in that the cellular structure is at least partially disposed between a portion of the piccolo tube and a portion facing an inner face of the perforated skin for limiting the front lip and in that a portion of the cellular structure facing the piccolo tube serves as a skin for limiting the noise reduction cellular structure.