FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering, particularly, to design of devices for control of propeller blades pitch. Device for supply of fluid (100) into the hydraulic cylinder for control of orientation of fan blades of turboprop engine with a double propeller includes fluid dosing unit (120) rigidly connected to the rotor of the turboprop engine. Fluid dosing unit has cylindrical part (121) containing two grooves for fluid circulation (123), each of which contains outlet hole (125). Fluid feed support (110) is rigidly connected with a fixed part of the turboprop engine. Support contains cylindrical part (111) with two separate passages (113), open towards fluid feed pipes (44), each of which radially enters one of the grooves of the dosing unit. Bath (130) is rigidly connected with the dosing device and has cylindrical part (131) with two channels (132). Into each channel fluid is supplied through one of outlet holes of the dosing unit, wherein each channel gives into control power cylinder chamber.
EFFECT: there is achieved reduction of dimensions of the blade orientation control mechanism.
10 cl, 3 dwg
