PROPULSION ASSEMBLY Russian patent published in 2012 - IPC B63B35/34 E01D15/14 

FIELD: transport.

SUBSTANCE: propulsion assembly comprises displacement hull with side joint assemblies, engine and water-jet propeller, two hinged pontoons and their opening/closing mechanisms. Water-jet propeller is made up of two water jets. Pontoons are hinged together. Bottoms of pontoons are provided with sledge outlines along crosswise axis of subassemblies. Hinged pontoon side height equals that of river subassembly jointed thereto. Guide cutouts are made in the bottom of every pontoon. Said cutouts are located opposite rotary nozzles of water jets and oriented across propulsion assembly.

EFFECT: increased speed of shuttle ferry.

2 cl, 4 dwg