PROPELLER NOZZLE Russian patent published in 1999 - IPC

Abstract RU 2133691 C1

FIELD: shipbuilding; shrouded propellers. SUBSTANCE: propeller nozzle has fixed outer part and inner part connected with it; inner part is freely rotatably and is provided with longitudinal straight radially directed blades of streamlined form of section fitted on its inner surface. EFFECT: enhanced efficiency of propeller due to use of energy of twisted water running off propeller blade tips. 2 dwg

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RU 2 133 691 C1

Authors

Kozychev B.S.

Dates

1999-07-27—Published

1997-03-04—Filed