FIELD: machine building.
SUBSTANCE: present invention relates to the turbomachine propeller blade, in particular of the unducted-type fan engine, and to the corresponding propeller and turbomachine. Turbomachine propeller blade (11A), in particular for the unducted-type fan engine, at its leading edge (17) comprising the thickening (16), is characterized in that along its leading edge it comprises the thickening positions adjustment means.
EFFECT: present invention objective is significant reduction in the turbofan engine noise.
17 cl, 9 dwg
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Authors
Dates
2018-09-21—Published
2015-01-22—Filed