GAS TURBINE ENGINE COMBUSTION CHAMBER Russian patent published in 2012 - IPC F23R3/60 

FIELD: engines and pumps.

SUBSTANCE: gas turbine combustion chamber comprises housing accommodating annular flame tube with front, outer and inner annular perforated shells with opening to receive burner modules, ignition plugs and device to feed air into combustion chamber, and inner flame tube wall facing the latter. Flame tube wall facing the combustion chamber is arranged equidistant to outer wall and made up of toroidal shell from heat resistant material, and is secured in downstream, section by radial pints. Said pins are rigidly mounted on outer and inner shells to slide radially relative to said toroidal shell. The latter in upstream and downstream sections is fitted to thrust against outer wall to slide across combustion chamber axis.

EFFECT: higher engine efficiency, reliability and longer life of combustion chamber.

2 dwg