METHOD FOR LIFTING SUNKEN OBJECT Russian patent published in 2021 - IPC B63C7/12 

FIELD: shipbuilding.

SUBSTANCE: invention relates to the field of work on lifting sunken large-sized objects. To lift the sunken object, compressed air is pumped into the compartments through air hoses and water is squeezed out of the compartments through special drainage/squeeze pipes. To extract water from the compartments, fixed and movable squeeze pipes are used. Fixed squeeze pipes are installed in compartments that, according to the lifting project, should be drained at a given level in the first place, and movable ones are installed in compartments that are blown in the second place, the blowing of compartments, according to previously performed calculations, leads to the emersion of the object being lifted.

EFFECT: safety of lifting the sunken object is achieved, as well as the exclusion of additional costs when performing ship-lifting operations.

1 cl, 3 dwg