Patent ID: 7543442

Claim:
A turbofan jet engine, comprising: an outer fan duct, an inner fan duct arranged inside said outer fan duct, a core that includes a compressor and a combustion chamber, said core being arranged inside said inner fan duct, wherein said inner fan duct and said outer fan duct are arranged so as to contain and guide, during operation of said engine, a secondary air stream flowing outside said core between said inner and outer fan ducts, fluid-conveying ancillaries positioned outside the outer fan duct, fluid-conveying ancillaries positioned inside the inner fan duct, and a modular arm arranged inside said outer fan duct and between said outer fan duct and said inner fan duct so as to extend across said secondary air stream flowing between the inner and outer fan ducts during operation of the engine, wherein said modular arm provides a connection between said fluid-conveying ancillaries positioned outside the outer fan duct and said fluid-conveying ancillaries positioned inside the inner fan duct, wherein, the inner fan duct comprising panels and panel supporting longitudinal plates, at least one panel supporting longitudinal plate comprises a bedplate to receive said modular arm.