Back to results
US 10,208,670 B2Granted
Gas-turbine combustion chamber with impingement-cooled bolts of the combustion chamber tiles
AssigneeRolls-Royce Deutschland Ltd & Co KG
InventorsMiklos Gerendas, Maren Fanter, Volker Herzog, Sermed Sadig
Life of this patent
Estimating the term…
Abstract
The present invention relates to a gas-turbine combustion chamber having a combustion chamber wall, to which combustion chamber tiles are fastened by means of bolts, where in the bolt fastening area in the combustion chamber wall at least one impingement cooling hole is provided, the center axis of which is inclined to the center axis of the bolt and intersects a transition area between the bolt and the combustion chamber tile.
Claims8
A gas turbine combustion chamber, comprising:
- a combustion chamber wall,
- a bolt having a center axis,
- a combustion chamber tile fastened to the combustion chamber wall by the bolt,
- at least three impingement cooling holes arranged around a circumference of the bolt with each of the at least three impingement cooling holes having a center axis intersecting a transition area between the bolt and the combustion chamber tile and also intersecting the center axis of the bolt at an intersection point on a hot gas side of the combustion chamber tile.
1 more element
Dependencies are inferred from the claim text.