HYDROSTATISK STYREINDRETNING, ISAER TIL KOERETOEJER

摘要

The invention relates to a hydrostatic steering control device of the type having two motor ports connectable to a servomotor and a metering unit for metering the flow of fluid to or from the servomotor in accordance with the rotational movement of a steering wheel for operating the control device. The invention is directed to a way of balancing the distributing valve of the control device by subjecting opposite sides thereof to high and intermediate pressure zones and providing a throttle gap between the high and intermediate pressure zones an a second oppositely acting throttle gap between the intermediate pressure zone and a third zone of lower pressure.