HELICOPTER LANDING SAFETY DEVICE IN CASE OF AN ACCIDENT Russian patent published in 2023 - IPC B64C25/56 B64D25/00 

FIELD: aviation.

SUBSTANCE: devices for emergency landing of helicopters. The device for safe landing of a helicopter in case of an accident is fixed from below on the fuselage of the helicopter and is made in the form of a flared skirt (1) made of elastic rubber-cord material. Corrugations (2) and throttle holes (3) are formed on the side surface of the skirt (1). The upper and lower openings of the skirt (1) are closed by the lid (4) and the bottom (5), respectively, which, in the unclenched state of the skirt (1), is below the helicopter's support wheels. A catcher (10), a hook (11) and a laser range scope (12) are attached to the bottom of the cover (4). An electromagnetic latch (14) with a lock (15) of the compressed state of the skirt (1) interlocked with a laser range scope (12), as well as a vertical rod (13), which enters the catcher (10), and the hook (17) engages with the latch (15) in the compressed position of the skirt (1). The bottom (6) is provided with a window (16) with shutter (18) provided with a shank (19) extending under the bottom (6) of the skirt (1). Inside the skirt (1) there is a spring (20) fixed with its ends on the cover (4) and the bottom (6) of the skirt (1).

EFFECT: safe landing of the helicopter when falling from any, especially small heights, maximum saving of human life and reduction of the destruction of the helicopter.

5 cl, 5 dwg