Patent ID: 8904796
Filing Date: 2014-12-09
Classification: F01D,F23R,Y10T

Abstract:
1. A late lean fuel injection nozzle for a transition duct of a combustor for a gas turbine comprising: a first outer tube having a sidewall defining an inner diameter and an outlet at a distal end thereof, said first outer tube adapted to supply air to a combustion chamber and configured to extend into the transition duct and project into the combustion chamber; and at least one fuel injection tube having a diameter smaller than the inner diameter of the first outer tube, the at least one fuel injection tube including an inlet section extending through the sidewall and entering a distal end portion of said first outer tube, an outlet section extending within said first outer tube substantially to said outlet, and a bended section between the inlet section and the outlet section, said at least one fuel injection tube adapted to supply fuel through an outlet in the outlet section to the combustion chamber.