VARIABLE-PITCH VANE Russian patent published in 2018 - IPC B64C11/30 F01D7/00 

FIELD: engines and pumps.

SUBSTANCE: invention relates to gas turbine engines. Variable-pitch vane comprises a plurality of propeller blades (2), each being of variable pitch according to blade rotational axis (A₁). Blade comprises root (201), a plurality of rotor connecting shafts (6). Each shaft has foot (602) and head (601). Root (201) of each blade is mounted on the head of a rotor connecting shaft via pivot (8) in such a way as to allow each blade (2) to rotate according to blade rotational axis (A₁). Each blade (2) has a blade pitch, such that blade rotational axis (A₁) is inclined relative to a radial axis (A₂) passing through foot (602) of the corresponding shaft.

EFFECT: invention improves handling and reduces weight.

16 cl, 12 dwg