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Hydraulic system for linear drives controlled by a displacer element

  • US 20060218913A1
  • Filed: 01/14/2004
  • Published: 10/05/2006
  • Est. Priority Date: 01/29/2003
  • Status: Active Grant
First Claim
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1. A hydraulic system for positive-displacement-controlled linear drives, in particular for mobile machines with at least one differential cylinder, at least one high pressure circuit, which comprises at least one pump with variable delivery volume and is connected to a low pressure system by at least two releasable non-return-valves, characterised in that the non-return-valves (7,8) are connected in such a way with an electronic control device (16) that a changeover between a driving in or out of the differential cylinder (2) free from switching surges and a floating position function is possible.

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