ANNULAR COMBUSTION CHAMBER INLET Russian patent published in 2024 - IPC F23R3/00 

FIELD: engines.

SUBSTANCE: invention relates to combustion chamber inlets. Device comprises arranged between two coaxial branch pipes 3 and 4 straightener 5 with blades 6, each of which has inner cavity 7 and slotted slot 8 along front edge 9, wherein at least one branch pipe comprises annular shell 10 defining annular channel 11 delimited by front 12 and rear 13 end walls, communicated on one side with cavity 14 of a continuous diffuser, located behind the straightener, on the other side – with the inner cavities of straightening blades 6, rear end wall 13 is made composite of conical shells 15, each pair of which is mutually arranged with a gap to form conical slot 16, connected at the inlet with annular channel 11, at the outlet with cavity 14, slotted slots 8 are made in the form of total pressure receivers along the height at the length of not more than two thirds of the distance between two coaxial branch pipes 3 and 4.

EFFECT: invention makes it possible to reduce the length of the inlet and the weight of the engine.

3 cl, 3 dwg