UNDERWATER APPARATUS Russian patent published in 2009 - IPC B63G8/00 

FIELD: shipbuilding.

SUBSTANCE: invention relates to shipbuilding, particularly, to production of underwater apparatuses. The proposed underwater apparatus comprises a hollow hull representing a biconvex lens with propelling screws, a deck house, a rudder, portlights, a hatch, elements of fastening to water area bed and a through channel. The latter houses the propulsion unit represented by a reversing Archimedes' screw to propel the proposed underwater apparatus in vertical direction. The through channel represents an axis of rotation of, at least, one rotor. Aforesaid propelling screws are mounted opposite each other along the hull perimetre, fixed brackets with due allowance for changing the sense of rotation.

EFFECT: expanded range of operations on underwater apparatuses at minor depths.

4 dwg