PROPULSOR Russian patent published in 2010 - IPC B63H11/02 B63H1/02 B63H5/16 

FIELD: transport.

SUBSTANCE: invention relates to ship building, particularly to ship propulsors. Proposed propulsor comprises cylinder with blades limited by side disks, water intake, water baffle, straightening device, water intake grid. Cylinder is fitted on drive shaft fitted perpendicular to ship motion direction and runs in bearings of stern platform support. Propulsor blades are fitted all along the cylinder parallel to the shaft and bent arc wise opposite the propulsor rotation. Stiffening ribs, attached to blades and cylinder, are arranged on suction side of propeller cylinder blades between and parallel with disks. Straightening device is arranged behind propeller cylinder, consisting of horizontal plates secured to stern platform vertical walls. Water accelerates in direct-flow channel formed by water intake and propeller cylinder arranged so that water intake top plane is located at the level of propeller cylinder lower line.

EFFECT: increased hydraulic section and higher efficiency of propulsor.

4 cl, 5 dwg