Patent ID: 8267026

Claim:
A passenger ship ( 1 ), which includes at least one superstructure (S) having several superposed decks (P 1 -P 6 ), which include contiguous passenger cabins, on the associated deck, with an outer longitudinal passageway (CO), which extends between the latter and hull, the ship comprising: each outer passageway (CO) is at least partly closed along its longitudinal side opposite to the cabins (CE); at least one of the opposite ends of each outer passageway (CO) is open; the floor ( 6 ) which separates outer passageways (CO) of two superposed decks is at least partly an open grid and permits air to move vertically from one passageway to the other; the ship includes air-conditioning means ( 5 ) for said cabins (CE) with discharge of the treated air from the cabins to the outside, via said outer passageways (CO); the combination of these above features ensuring ventilation of said passageways (CO) along longitudinal and vertical directions, respectively, and with said air-conditioning means ( 5 ).