MARINE WATER-JET PROPELLER Russian patent published in 2002 - IPC

FIELD: shipbuilding; water-jet propellers. SUBSTANCE: reflection shield 8 with lower edge 10 bent towards ship's bow is located at end of nozzle 2 located after transom 7 of hull 6. Lower edge 10 is located above ship's bottom. Side walls 11 of shield 8 are located over its side edges between nozzle 2 and rudders 4. Guide profiled members 12 are mounted between side walls 11. Guide members 12 and lower edge 10 of shield 8 are located at angle of no less than 45 deg relative to level. Vertical plates 14 are located on ends of walls 11 on side of ship's stern. EFFECT: enhanced efficiency of ship handling at astern running. 7 cl, 3 dwg