FIELD: engines and pumps.
SUBSTANCE: invention relates to power engineering. The air and fuel injection device (2) for a turbomachine combustion chamber consists of a fuel injector, at least one first element (21) mounted on the fuel injector, and at least one second element (27, 28) mounted on the bottom wall ( 6) of the combustion chamber. The first element comprises a radial protruding edge (25) movable in the radial groove of the second element (27, 28) which is bounded by a casing (27) and a locking ring (28) welded within the housing (27). A turbomachine is also provided, which comprises at least one air and fuel injection device.
EFFECT: invention can reduce the weight and overall size of the unit.
8 cl 5 dwg
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