INJECTION HEAD FOR THE COMBUSTION CHAMBER OF A GAS TURBINE Russian patent published in 2022 - IPC F23R3/36 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to an injection head for the combustion chamber of a gas turbine. Injection head for the combustion chamber of a gas turbine comprises a block (22) of fuel chambers extending around the central axis (A) and including a primary fuel chamber (24), multiple injection pins (19, 20) extending in a radial direction outward from the block (22) of fuel chambers, wherein each pin is made with at least a corresponding fuel nozzle, a fuel intake element (27, 28) fluidly connected with the block (22) of fuel chambers, a cooling air cavity at least partially surrounding the block (22) of fuel chambers and forming a cooling air chamber (21), wherein at least part of the fuel nozzles have corresponding primary fuel supply elements fluidly connected with the primary fuel chamber (24), and corresponding protective air channels fluidly connected with the cooling air chamber (21). The block (22) of fuel chambers includes a secondary fuel chamber (25) extending around the central axis (A) and at least partially enclosed in the primary fuel chamber (24), wherein part of the fuel nozzles have corresponding secondary fuel supply elements at least partially enclosed in the corresponding primary fuel supply elements and fluidly connected with the secondary fuel chamber (25).

EFFECT: invention allows for a simplification in the process of assembly.

15 cl, 13 dwg