ROTARY PROPELLER Russian patent published in 1998 - IPC

Abstract RU 2107009 C1

FIELD: shipbuilding; propellers of high-speed ships. SUBSTANCE: rotary propeller is provided with 10-20 blades smoothly mounted over periphery at an angle of 3-20 deg relative to rim. Blades have triangular form in plan with sharp leading edge and blunt trailing edge. Vertex of angle formed by sharp edges is directed towards side of rotation of rotor. EFFECT: reduced resistance to motion of ship and imparting her amphibian properties due to simultaneously obtaining tractive and lifting forces. 4 dwg

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RU 2 107 009 C1

Authors

Kuz'Min Anatolij Ivanovich

Dates

1998-03-20—Published

1992-06-15—Filed