FUEL SPRAYER OF COMBUSTION CHAMBER OF GAS TURBINE ENGINE Russian patent published in 2006 - IPC F23R3/28 F23D11/00 

FIELD: fuel sprayer for combustion chamber of gas turbine engine.

SUBSTANCE: fuel sprayer includes body with ducts and with unions of main and additional circuits for fuel supply to main and additional jets arranged in head of sprayer; mounting flange for securing sprayer to outer housing of combustion chamber, IN duct of main circuit dividing tube is arranged. Inside said tube there is duct of additional circuit. One end of dividing tube is mounted in head of sprayer by means of non-detachable joint relative to body. Other end of dividing tube is arranged inside body at outer side from mounting flange between unions of main and additional circuits and telescopically relative to duct of main circuit by means of cylindrical protrusion. Dividing tube engages by its one end with elastic sealing cylindrical ring whose outer diameter abuts to body of sprayer. Other end and inner surface of dividing tube engage with threaded plug. Said plug is mounted telescopically by means of its cylindrical stem in dividing tube and it provides communication through duct and openings of duct of additional circuit of dividing tube with duct of fuel supply union of additional circuit. Between mounting flange and head body of sprayer is covered with heat insulation and with jacket.

EFFECT: enhanced operational reliability of fuel sprayer due to elimination of fuel carbonizing in ducts of sprayer and due to compensation of thermal deformation.

3 dwg