Patent ID: 8393161

Claim:
A combustion chamber, comprising: a burner: a burner insert surrounding the burner and arranged to leave a gap opening toward an interior of the combustion chamber, wherein the burner insert has a carrier, and a burner insert wall arranged between the carrier and the combustion chamber interior that forms a flow duct, with a first end and a second end, between the carrier and the burner insert wall where the flow duct is connected to a cooling fluid source at the first end, the flow duct directly abuts the burner insert wall; and a burner outlet, wherein the flow duct opens into the gap at the second end between a burner wall and the burner insert wall and is also sealed off from the combustion chamber interior at the first end, wherein cooling air from the cooling fluid source flowing in the flow duct from the first end to the second end and is used to cool the burner insert wall, and subsequently flows through the gap directly adjacent to the burner outlet and is then supplied to the combustion chamber interior, and wherein the carrier includes cooling fluid holes connected to the cooling fluid source and open into the flow duct.