FLYING VEHICLE RAMO CONTROL SYSTEM Russian patent published in 2002 - IPC

FIELD: aeronautical engineering; transport helicopters. SUBSTANCE: ramp control system includes electrically-driven pumping station, hydraulic tank, hydraulic distributor and hydraulic cylinders of actuators and locks. Pumping station is connected with hydraulic tank by means of suction line and with hydraulic distributor by means of delivery line. Hydraulic distributor is communicated with piston and rod chambers of actuator and lock hydraulic cylinders. Delivery line of rod chamber is provided with two-position spool valve hydraulic cock. One outlet of hydraulic cock is connected with rod chamber of hydraulic cylinder and other outlet is connected with delivery line of piston chamber. EFFECT: ease in use; enhanced reliability. 12 cl, 2 dwg