POWER PLANT COOLING DEVICE Russian patent published in 2016 - IPC B63J2/12 B63H20/00 B63H5/125 B63H23/24 

FIELD: ship building.

SUBSTANCE: invention relates to ship building, namely to a cooling unit for a power plant of a vessel. Power plant cooling unit includes upper part (22) with part upper end (100), which passes through channel (P1) and is formed between first external bottom (11) and second inner bottom (12) of vessel (10). Part upper end (100) can turn in rolling bearings (300) and is sealed by means of gland (200) relative to vessel (10). Cooling unit comprises system of air ducts (400, 410, 500, 510) for cooling air, at least one fan (600) and at least one cooling device (700). Gland (200) includes upper gland (210) and lower gland (220), which are located along the vertical line at a distance (H1) from each other. Part upper end (100) includes holes (O1). First air duct (400) is directed into space (800) between upper gland (210) and lower gland (220) and then through holes (O1) in part upper end (100) to internal space of post (21) or reverse air flow (L2).

EFFECT: better performance characteristics of cooling unit.

15 cl, 9 dwg