SUBMERSIBLE VEHICLE Russian patent published in 2001 - IPC

FIELD: building of submarine vessels; designing submersible vehicles. SUBSTANCE: submersible vehicle includes pressure hull with motion control gear, outer hull with propulsion and steering complex inside it, two side propellers for vertical motion arranged in tubes, central aft and fore propellers for transversal motion and trimming system with ballast which are connected with motion control gear and bearing device. Aft cruising propellers are mounted on stands for turn in vertical plane. Central aft propeller of transversal motion is mounted on stand which is turnable in horizontal plane within range of angles of +/-90 deg. from longitudinal axis of vessel. Trimming system consists of at least two tubes secured on the outside of outer hull; these are used for placing encapsulated ballast kinematically linked with motion control gear by means of rod. EFFECT: improved service characteristics; enhanced efficiency. 3 cl, 2 dwg