HYDRAULIC SYSTEM OF COMBINE HARVESTER Russian patent published in 1994 - IPC

FIELD: agricultural engineering. SUBSTANCE: hydraulic system incorporating single-chamber hydraulic cylinders is provided with neutral position transmitters of control valves of these cylinders and position transmitters of the float registering fluid levels in the tank corresponding to absence of operation of individual single-chamber hydraulic cylinders and to simultaneous operation of said cylinders. A device for cutting off sources of hydraulic head is controlled by flexible transmitters. EFFECT: limited losses of service fluid in case of rupture of hydraulic lines. 2 cl, 1 dwg