GAS EXHAUST MAST Russian patent published in 2021 - IPC B63B25/16 B63J2/08 

FIELD: shipbuilding.

SUBSTANCE: invention relates to the field of shipbuilding, in particular to a gas-exhaust mast (1) for a vessel having a mast body (2) and a mast head (3) located at one end of the mast body (2), the mast body (2) and the mast head (3) are hollow tube structures, each of which has a side wall (4, 5), and the mast head (3) has a lower section connected to the mast body (2), and the upper section with a hole (10), the mast body (2) has an upper end section, connected to the interior of the head part (3) of the mast through the lower end of the head part (3) of the mast, while the outer cross-section of the upper end section of the mast body (2) is smaller than the inner cross-section of the lower section of the mast head part (3), other head part (3) of the mast also includes: a drainage system (13, 14), which is attached by means of assembly elements (15) to the head part (3) of the mast opposite the hole (10) in the longitudinal direction of the mast, circumferential connecting plate (16), located between the outer surface of the upper end section of the mast body (2) and the inner surface of the lower section of the mast head, and the circumferential connecting plate (16) has at least one perforated hole.

EFFECT: effective drainage of rainwater from the head of the mast is ensured while limiting the risks associated with the release of gas from the head of the mast to the lower part of the storage, where operators can be located.

12 cl, 10 dwg