Rolls-royce Corporation

Murthy V V S Ravikanti

Emmanuel Aurifeille

Nicholas M Brown

A combustion chamber comprises an upstream end wall, at least one fuel injector and at least one seal. Each fuel injector is arranged in a corresponding aperture in the wall. Each seal is arranged in a one of the apertures in the wall and around one of the fuel injectors. Each seal has a first portion, a second portion and a third portion. The second portion abuts the corresponding fuel injector. The third portion is arranged at the downstream end of the seal and increases in diameter in a downstream direction. The first portion is arranged upstream of the second portion and has a plurality of coolant apertures extending there-through. The coolant apertures extend through the first portion with axial, radial and tangential components. The seals produce better mixing between the coolant and the fuel and air mixture from the fuel injectors to reduce emissions produced in the combustion chamber.

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Derby, United Kingdom

Murthy V V S Ravikanti