HELICOPTER WITH FIRE EXTINGUISHING SYSTEM AND FIRE EXTINGUISHING SYSTEM Russian patent published in 2021 - IPC B64D1/16 A62C3/02 

FIELD: aviation.

SUBSTANCE: invention relates to the field of aviation, in particular to helicopter fire extinguishing system design. The helicopter contains fuselage (2), tail beam (3), carrier system (4), power plant (5), landing gear (6), and a fire extinguishing system. In the lower part of fuselage (2), under the floor of the transport cabin, water tank (8) is located in compartment (9). The inner cavity of water tank (8) is divided into four compartments (10, 11, 12, 13) by means of keel longitudinal beam (14) and transverse diaphragm (15), equipped with bypass valves (16), while compartments (10, 11, 12, 13) of tank (8) are connected in pairs diagonally. In its lower part, tank (8) is equipped with flaps (20) connected to electric drives (21), in addition, heating elements are located along the contour of flaps (20). In front left compartment (10) of tank (8), hose (23) with pump (22) is installed through corner (24), which is equipped with protective mesh (25). On tank (8), there is winch (26), which is connected by cable (27) to pump (22). In the helicopter cabin there is tank (28) for foaming agent, equipped with sensor (29), pump (30) and pipeline (31). The fire extinguishing system includes a water intake system, a foaming system, a control and monitoring system, pump cleaning system (22), an anti-icing system, and an emergency discharge system for extinguishing liquid.

EFFECT: increased efficiency of fire distinguishing operations.

9 cl, 11 dwg