Patent ID: 8042339

Claim:
A combustion system comprising: a combustor for burning a mixture of air and fuel, the combustor comprising an end plate, and a lean direct injector for directly injecting fuel and air into the combustor, the injector comprising: a shell including an inlet through which air or fuel is introduced into the shell, the shell having one end connected to the combustor so that air or fuel from the shell passes directly into the combustor end plate for direct injection into the combustor, and a plurality of tubes positioned inside the shell and extending to the combustor so that fuel or air from the plurality of tubes passes directly into the combustor end plate for direct injection into the combustor, the combustor end plate including a first plurality of holes for injecting air or fuel from the shell directly into the combustor, and a second plurality of holes for injecting fuel or air from the plurality of tubes directly into the combustor.