Patent ID: 7984615
Filing Date: 2011-07-26
Classification: F01D,F05D,F23R,Y02T

Abstract:
1. An engine assembly, comprising: a scroll assembly including an inlet, an outlet, an inner section, and an outer section, each of the inner section and the outer section extending between the inlet and the outlet, the outer section being longer than the inner section; and a combustor comprising an entrance for receiving fuel to be mixed with air and combusted in the combustor, an exit coupled to the inlet of the scroll assembly for delivering the combusted air-fuel mixture, including a hot stream, thereto, and a wall coupled between the entrance and the exit and including a plurality of dilution holes therethrough for deflecting the hot stream toward the outer section of the scroll assembly, wherein the plurality of dilution holes includes at least one first dilution hole adjacent the inner section of the scroll assembly and at least one second dilution hole adjacent the outer section of the scroll assembly, and wherein the at least one first dilution hole has a first hole area and the at least one second dilution hole has a second hole area, and wherein the first area is greater than the second area.