FIELD: transport.
SUBSTANCE: set of inventions relates to ship building, particularly, to propellers with partially immersed screws. This drive comprises partially immersed screw, rotary stern tube with ball part, thrust case, spherical pivots control hydraulic cylinders arranged in stern tube. Drive shaft, countershaft and drive shaft are coupled with screws. Assembly of drive hydraulic cylinders fastening to vessel transom comprises control hydraulic cylinder with body equipped with thrust cup for two hemispheres. Hydraulic cylinder controls the drive and comprises body to house the cylinder, hoses and valves.
EFFECT: higher efficiency.
4 cl, 12 dwg
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