GAS-TURBINE ENGINE ANNULAR COMBUSTION CHAMBER Russian patent published in 2003 - IPC

FIELD: mechanical engineering; gas-turbine engines. SUBSTANCE: proposed annular combustion chamber of gas-turbine engine has housing with diffuser accommodating load-bearing posts, and flame tube. Inlet end of flame tube is connected to load-bearing posts of diffuser by means of forks with guide holes, brackets with eyes brought into forks and radial pins installed in guide holes of forks and eyes of brackets. Outlet end of flame tube is connected with housing of turbine nozzle assembly for axial displacement. Fork is made on load-bearing post of diffuser, and bracket, on flame tube. Guide holes are cylindrical. Pin is installed in guide holes of bracket with clearance. Outlet end of flame tube is provided with support flanges. Ring slots are made in housing of nozzle assembly. Support flanges of flame tube are installed in ring slots of nozzle assembly housing for circular displacement. EFFECT: reduced wear of flame tube fastening unit members, improved reliability and increased service life of combustion chamber. 2 cl, 5 dwg