FIXING DEVICE OF SPRAYING SYSTEM ON BOTTOM PART OF COMBUSTION CHAMBER OF JET-TURBINE ENGINE AND METHOD OF SUCH FIXATION Russian patent published in 2010 - IPC F23R3/28 F23R3/60 

FIELD: engines and pumps.

SUBSTANCE: fixing device of spraying system on bottom part of combustion chamber of jet-turbine engine includes the baffle brazed to the bottom part of the above combustion chamber. Baffle includes annular part having the rib forming the circular retention projection oriented in the direction of the front part of jet-turbine engine. Spraying system includes the flange on which circular retention projection is formed and oriented in the direction of rear part of jet-turbine engine and borne against circular retention projection of the baffle. Fixing method of spraying system on the bottom part of combustion chamber of jet-turbine engine consists in the fact that the baffle is introduced to the hole made in the bottom part of combustion chamber. Retention ring is installed on the baffle through the front part of jet-turbine engine. Baffle is fixed by brazing on the bottom part of combustion chamber and at the same time the retention ring is fixed on the baffle. Spraying system is introduced through the front part of jet-turbine engine to the baffle. The projection is oriented in the direction of rear part of jet-turbine engine, and spraying system is borne against the baffle retention projection. Spraying system is fixed on the retention ring by means of welding by using welds.

EFFECT: simplifying the removal of the spraying system, and protection against damage to the brazed seam.

13 cl, 5 dwg