GRAIN HARVESTER HYDRAULIC SYSTEM Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: proposed hydraulic system is designed for driving working equipment of grain harvester and its steering. Hydraulic system contains power intensive hydraulic motor, main hydraulic system, pump, safety valve, distributors, harvester working equipment slave hydraulic motors, pressure and drain main lines, auxiliary steering h6ydraulic system containing steering hydraulic control devices, hydraulic motor and auxiliary pump, pressure and drain main lines. Drain main line of auxiliary steering hydraulic system is connected to pressure main line of power intensive hydraulic motor through check valve, and it is coupled directly with tank through drain space of hydraulic motor control distributor. EFFECT: simplified design of hydraulic system. 3 cl, 1 dwg