FIELD: shipbuilding and aircraft manufacturing.
SUBSTANCE: invention relates to shipbuilding and aircraft manufacturing, namely to water and air ship propellers. The flow screw is a shaft with at least two blades fixed on it, twisted around the shaft. Each blade is a ¼ part of a torus without an internal part and has the shape of a spiral with a variable pitch.
EFFECT: possibility of creating a smooth change in the flow trajectory from 0 to 90º is achieved.
1 cl, 7 dwg, 2 tbl
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|
RU2782937C1 |
