PROPELLER Russian patent published in 1999 - IPC

Abstract RU 2137674 C1

FIELD: shipbuilding; propellers provided with devices for reduction of cavitation damage. SUBSTANCE: propeller is provided with blades and boss and axial air supply passage for feeding air to tail section of boss and to edges of blade suction surfaces; these edges are made in form of rubber jaws. Air supply passage is fitted with adjusting check valve. EFFECT: reduction of erosion damage to blades; enhanced efficiency of propeller. 1 dwg

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RU 2 137 674 C1

Authors

Jakovlev V.A.

Dates

1999-09-20Published

1997-11-18Filed