Patent ID: 8978383
Filing Date: 2015-03-17
Classification: F02C,F05D,F23K,F23R

Abstract:
1. A fuel manifold assembly for a gas turbine engine comprising: an annular manifold body defined around an axis, with at least one fuel inlet, a plurality of fuel nozzle outlets, and at least one internal fuel passages connecting the at least one inlet to the plurality of fuel nozzle outlets; an annular heat shield assembly mounted to and surrounding the manifold body, the heat shield assembly having an inner surface facing the manifold body and being spaced apart therefrom by an inner air gap defined therebetween, the inner air gap substantially surrounding the manifold body, and the heat shield assembly having an outer surface facing away from the manifold body and spaced apart from the inner surface by an outer air gap substantially surrounding the inner air gap, at least the outer air gap being formed by a double wall configuration of the heat shield assembly.