Hydraulic steering arrangement
AssigneeSauer-Danfoss Holding A/S
InventorNils E. Sevelsted
Life of this patent
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Abstract
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.
Claims8
Hydraulic steering arrangement with a directional valve and 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 said toothed ring, and including a single piece through-going driving part which simultaneously drive both gear wheels.
Dependencies are inferred from the claim text.