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
Title | Year | Author | Number |
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COAXIAL PROPELLER (VERSIONS) | 2009 |
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RU2362707C2 |
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|
RU2133562C1 |
Authors
Dates
2014-03-20—Published
2012-02-27—Filed