| 摘要 |
FIELD: water craft propellers. SUBSTANCE: working member of propeller interacts with water medium creating propulsive force. Working member is made in form of piston connected with rod of drive which is made in form of cylinder with piston. EFFECT: reduction of power consumption, simplified construction, effective maneuverability; possibility of change of external parts of propeller with no submergence jobs and without docking. |
