DEVICE FOR AIR AND FUEL SUPPLY TO RING OF NOZZLES IN AFTERBURNER Russian patent published in 2009 - IPC F02K3/10 

FIELD: engines and pumps.

SUBSTANCE: device for supply of air and fuel to ring of nozzles in afterburner in double-circuit turbojet engine comprises multiple blades of flame stabiliser installed in afterburner and passing radially around chamber axis in the main flow from external body. Ring of nozzles is installed in the main flow and is made of ring sectors installed substantially in continuous sequence on blades of flame stabiliser and comprising fuel supply guide and collector chambers, and facilities for air supply in collector chambers and fuel to fuel supply guide. Facilities for air and fuel supply pass between ring of nozzles and external body of afterburner inside blades of flame stabiliser and are connected to collector chambers and fuel supply guide via ends of ring sectors.

EFFECT: increased efficiency of turbojet engine by means of main flow head losses limitation and by means of improvement of conditions, under which fuel is injected into main flow via ring of nozzles.

9 cl, 6 dwg