DEVICE FOR PROPORTIONED DELIVERY OF LIQUID ADDITIVES TO HELICOPTER WATER DRAIN UNIT Russian patent published in 2008 - IPC B64D1/16 A62C13/78 B65D1/32 

FIELD: flying vehicle fire-fighting equipment.

SUBSTANCE: proposed device has soft reservoir secured on external store above lock of helicopter water drain unit, hose for delivery of additives from reservoir to helicopter drain unit and proportioner made in form of valve with remote control console and cable system. Soft reservoir is ellipsoid in shape and is provided with belt skeleton for compression of this reservoir. Proportioning of liquid additives is performed from helicopter cabin with the aid of programmed timer of remote control console connected with electric valve mounted in lower end of soft reservoir by means of cable. Electric valve remote control console is combined with remote control console of helicopter water drain unit.

EFFECT: simplified construction; reduction of mass; enhanced safety.

3 cl, 4 dwg, 1 tbl