HIGH-PRESSURE METAL-COMPOSITE CYLINDER Russian patent published in 2024 - IPC F17C1/06 

FIELD: high-pressure vessels.

SUBSTANCE: invention relates to high-pressure metal-composite cylinder. Metal-composite cylinder consists of metal liner (1), including cylindrical part (2) and bottom (3), power composite shell (4) and element (5) for sealing neck (6) of cylinder. Element (5) consists of at least two parts, one of which is made in the form of flange (7) with annular projection (8) to cover the neck of the liner from the outside and to prevent its expansion, and bent part (9) located between metal liner (1) and external power composite shell (4), and other part is made in the form of seal (10) and is placed in smooth hole of liner (1) neck.

EFFECT: increasing reliability and ensuring a long service life with a minimum amount of winding of the composite material.

1 cl, 2 dwg