VERTICAL TAIL UNIT (VERSIONS) AND AIRCRAFT Russian patent published in 2020 - IPC B64C5/10 B64C21/08

Abstract RU 2731185 C2

FIELD: aviation.

SUBSTANCE: vertical tail empennage (7) for flow control comprises outer skin (13) in contact with external air flow (21). Outer skin (13) with two opposite lateral sides (27a, 27b) extends between front edge (23) and trailing edge (25) and surrounds inner space (29). Outer skin (13) comprises porous part (31) in area of front edge (23), pressure chamber (15) located in inner space (29). Pressure chamber (15) is fluidly connected to porous part (31), air inlet (17) provided in outer skin (13) is fluidly connected to pressure chamber (15), and air outlet (19), provided in outer skin (13) is connected in fluid communication with pressure chamber (15). Inlet (17) of air is made in form of hole (35), which is located on one lateral side (27a) of outer skin (13) and which is made flush with outer skin (13). Aircraft is characterized by using versions of vertical tail fins.

EFFECT: group of inventions is aimed at reducing drag and increasing efficiency.

30 cl, 4 dwg

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RU 2 731 185 C2

Authors

Heuer, Thomas

Dates

2020-08-31—Published

2018-10-08—Filed