Patent ID: 9657949
Date: 2017-05-23
CPC Classifications: F23R,Y02T,Y10T

Claim:
1. A combustor skin assembly for a gas turbine engine, the combustor skin assembly comprising: a hot skin forming at least a portion of a wall of a combustion chamber of the gas turbine engine, the hot skin having an inner face exposed to the combustion chamber, and an outer face opposite the inner face; a receiving skin formed of sheet metal separate from the hot skin and having a securing portion affixed to the outer face of the hot skin in an air-tight manner, and a receiving flange extending from the securing portion, the receiving flange being offset an offset distance away from the outer face of the hot skin to form a female recess between the outer face of the hot skin and the receiving flange; and a cold skin formed of sheet metal separate from both the hot skin and the receiving skin and having a cold wall portion spaced from the hot skin and forming a cooling cavity therebetween, a securing portion extending from a first end of the cold wall portion and affixed to the outer face of the hot skin in an air-tight manner, and a male flange extending from a second end of the cold wall portion opposite the first end, the male flange having a thickness being greater than the offset distance of the female recess to be snugly received in the female recess and form a sliding engagement between the male flange and the female recess, the receiving flange and the hot skin applying a compressive force to the male flange therebetween during operation of the gas turbine engine.