Patent ID: 7506501
Filing Date: 2009-03-24
Classification: F02K,F05D,Y02T

Abstract:
1. A compact exhaust mixer assembly for mixing exhaust air with bypass air produced by a gas turbine engine, the compact exhaust mixer assembly comprising: an outer engine casing; an open centerbody disposed within the outer engine casing; a serrated mixer disposed around the open centerbody, the serrated mixer having a serrated edge disposed proximate the downstream end of the open centerbody; an outer flow path generally defined by the outer engine casing and the serrated mixer; and an inner flow path generally defined by the serrated mixer and the open centerbody; wherein the outer flow path and the inner flow path conduct the bypass air and the exhaust air, respectively, produced by the gas turbine engine during operation, and wherein the serrated edge is configured to promote the mixing of the bypass air and the exhaust air.