RUDDER APPARATUS Russian patent published in 1994 - IPC

FIELD: shipbuilding. SUBSTANCE: at least one pair of rudders, made as wing, connected with drive of its vertical movement and having asymmetrical profile in section with fixed basic angles, is mounted in rear part of ship in bay 2 or on transom in symmetry to its diametrical plane. Salient surfaces of rudders are facing each other. In non-operational state rudders 1 are hidden in bay 2 or behind transom so, that do not make resistance to ship movement. In case ship is to make maneuver by rudders according to command from control post 6 signal goes to system of control. Executive mechanism (hydraulic drive, in particular) pushes rudder 1 out in stream beyond limits of bottom from the board, to which they are to make turn. Value of rudder 1 pushing out depends on speed of ship and type of maneuver. EFFECT: rudder apparatus is used on ships. 6 dwg