Hydraulic steering arrangement

摘要

A hydraulic steering arrangement with a directional valve and a metering pump unit having two hydraulically parallel connected and mechanically parallel operable metering pumps, each having a toothed ring with inner toothing and a gear wheel with outer toothing being able to perform rotary and orbiting movements in the toothed ring. It is desired to extend the life of the metering pumps. For this purpose, a through-going driving part is provided for both gear wheels.