SHIP'S ROLL STABILIZER Russian patent published in 1998 - IPC

FIELD: shipbuilding. SUBSTANCE: ship's roll stabilizer includes non-retractable controllable rudder, hollow rudder stock rigidly secured in ship's hull and turnably connected with rudder blade, turn rudder stock located inside hollow rudder stock and rigidly connected with rudder blade and hydraulic drive for shifting the rudder provided with control system. Ganged-up shifting hydraulic drive is arranged in single housing tightly closed with upper and lower covers. Tiller mounted in supports is rigidly connected with stock by means of jaw clutch and central coupling bold and is kinematically linked with plungers moving in cylinders fixed on housing. Lower cover of housing is provided with cylindrical trunnions with sliders fitted on them rotatably. Sliders slide in guides of shipboard foundation. EFFECT: enhanced reliability. 4 dwg