FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering and is intended for supply of washing liquid for cleaning windshield of aircraft. Device comprises tank 1 with front 2 and rear 3 covers, as well as lines. Front cover 2 of tank 1 includes filling neck 4 with plug 5, having in design of button-valve 6, measuring glass 7, pressure indicator button 8, on rear cover 3 of tank 1 there are hydropneumatic valves 13 to control supply of washing liquid to windscreen wipers, union 14 for connection of line of supercharging of tank and unions 15, 16 of working medium suction, pump 27 is installed on tank. Lines 28, 29 serve for supply of washing liquid from tank 1 through hydropneumatic valves 13 to cleaning elements on windshields. Main line 31 is branched and is intended for air supply from pneumatic system of helicopter for supply of control pneumatic part. Main line 32 is intended for supply of washing liquid to the optical device of round-the-clock viewing. Main line 33 serves to fill the amount of fluid inside pump 27.
EFFECT: maintenance of pressure in tank in manual and automatic mode, simplification of maintenance.
3 cl, 7 dwg
Authors
Dates
2020-02-18—Published
2018-09-14—Filed