VERTICAL TAIL EMPENNAGE FOR FLOW CONTROL Russian patent published in 2020 - IPC B64C5/02 B64C21/02 

FIELD: aeronautics.

SUBSTANCE: vertical tail empennage (7) for flow control comprises outer skin (13) in contact with external air flow (21). Outer skin (13) passes between front edge (23) and trailing edge (25) and surrounds inner space (29) and comprises porous part (31) in area of front edge (23), pressure chamber (15) located in inner space (29) and connected to porous part (31) in fluid medium. Inlet hole (17) for air is provided in outer skin (13) on front edge (23) and is connected in fluid communication with pressure chamber (15). Outlet hole (19) for air is connected in fluid communication with pressure chamber (15). Aircraft is characterized by the use of the proposed vertical empennage.

EFFECT: group of inventions is aimed at reduction of front drag.

13 cl, 6 dwg