GAS GENERATOR FOR RAISING SHIPS FROM DEEP SEA, DEVICE AND METHOD TO THIS END Russian patent published in 2013 - IPC B63C7/10 B63C7/06 B63C11/48 

FIELD: transport.

SUBSTANCE: invention relates to ship raising from deep sea. Proposed gas generator features disc shape and consists of metallic rim with grating composed of plates with slots. Flexible air passage tube is fitted into rim bottom part. Stiff plates are fitted over aforesaid plates on rim both sides and provided with perforations covered by gastight membrane. Device for raising ships comprises soft pontoon arranged in water vertically with open bottom part and top part furnished with cylindrical soft vessel. Gas generator is suspended under pontoon and has gas discharge tube secured to pontoon inner wall. Thin-wall insert us arranged inside said pontoon. Pontoon bottom part accommodates slings and two hooks. Proposed method consists in that said pontoon with suspended gas generator is secured to hulk-ship boom and slings with hook and connecting pontoon bottom with sinking cargo to be downed to sunken ship level. Deep-diving vehicle manipulator catches another hook to fit it in rod device ear, said rod device being pre-mounted on sunken ship. Said sinking cargo is lifted by hulk-ship to allow pontoon first hook cable to be stretched to release the second hook. Deep-diving vehicle disconnects free hook from sinking cargo. Hulk-ship crane lifts it to surface for connection with the next pontoon.

EFFECT: raising whatever objected from whatever depths.

3 cl, 2 dwg