FERRY FOR TRAFFIC SERVICE BETWEEN RIVER BANKS Russian patent published in 2007 - IPC B63B35/54 B63H20/08 

FIELD: ferries for rivers of limited navigation.

SUBSTANCE: proposed ferry is provided with pontoons which are spaced apart in width and are made from different materials; cargo and passenger deck is secured on pontoons at two levels. Ferry is also provided with propulsion plant. Upper surface of cargo deck rising above water during operation is located in center plane of cylindrical pontoons; lower part of cargo deck which possesses positive buoyancy is immersed in water. Middle cylindrical part of each pontoon is made from non-metallic materials and is connected with metal end units by means of flanged joint located inside pontoon. Propulsion plant consists of two portable units mounted turnably on cargo deck for control of heading; these units are spaced apart along longitudinal axis of symmetry on edges of cargo deck.

EFFECT: increased capacity of ferry at shallow draft.

4 cl, 9 dwg