PROPELLER (VERSIONS) Russian patent published in 2014 - IPC B64C11/20 

Abstract RU 2509683 C2

FIELD: transport.

SUBSTANCE: set of invention relates to devices intended for converting mechanical energy into fluid flow power. In compliance with first version, propeller comprises blades with straight and inverted scimitar sections, each blade is secured by its root to drive shaft hub. In compliance with second version, propeller features definite shape of the blade front surface.

EFFECT: simplified design.

3 cl, 4 dwg

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RU 2 509 683 C2

Authors

Shpadi Andrej Leonidovich

Dates

2014-03-20Published

2012-02-27Filed