Wall structure for a combustion chamber

Details Wall structure for a combustion chamber Wall structure for a combustion chamber

1981-10-20

1984-05-08

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60757, 60758, F02C 712, F02C 720

Patent

active

044466935

ABSTRACT:
A cooled wall structure for a gas turbine engine comprises a perforated and an inner wall in which the walls are capable of relative movement to cope with the thermal strains experienced by the combustion chamber during operation of the engine. The inner wall comprises a number of wall elements attached to the outer wall in the manner of overlapping tiles. Each wall element is immovably secured to the outer wall at the mid-point of its downstream end and the sides of each wall element are movably attached to the outer wall adjacent the sides of the downstream end of the wall element.
The upstream end of each wall element is located between the outer wall and an adjacent flow in either an upstream or a downstream direction between the walls.
The wall elements can have a plurality of raised lands to increase the surface area of the elements and to protect the incoming cooling air against the cross-flow of cooling air already flowing in the wall structure.

REFERENCES:
patent: 2547619 (1951-04-01), Buckland
patent: 4064300 (1977-12-01), Bhangu
patent: 4184326 (1980-01-01), Pane et al.

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