Patent ID: 7827800
Filing Date: 2010-11-09
Classification: F23R,Y10T

Abstract:
1. A gas turbine engine combustor comprising a shell enclosing a combustion chamber, a heat shield mounted inside the combustion chamber and spaced-apart from the shell to define an air gap between the heat shield and the shell, the heat shield and the shell each having at least one opening defined therein and cooperating to respectively receive a fuel nozzle, a cooling louver positioned in the opening of the heat shield and having a flow diverting portion extending radially outwardly from the opening of the heat shield on a hot side thereof, the flow diverting portion directing cooling air from said air gap along the hot side of the heat shield, wherein said cooling louver has an upstream end portion removably attached to the heat shield by bendable tabs bent radially outward behind a cool side of said heat shield opposite said hot side thereof.