发明授权
US07337610B2 Hydraulic arrangement 失效
液压装置

  • 专利标题: Hydraulic arrangement
  • 专利标题(中): 液压装置
  • 申请号: US11471137
    申请日: 2006-06-20
  • 公开(公告)号: US07337610B2
    公开(公告)日: 2008-03-04
  • 发明人: Marcus Bitter
  • 申请人: Marcus Bitter
  • 申请人地址: US IL Moline
  • 专利权人: Deere & Company
  • 当前专利权人: Deere & Company
  • 当前专利权人地址: US IL Moline
  • 优先权: DE102005038333 20050811
  • 主分类号: F15B11/02
  • IPC分类号: F15B11/02 B66F9/00 E02F9/00
Hydraulic arrangement
摘要:
A hydraulic arrangement is provided for a spring support system. The hydraulic circuit arrangement includes a hydraulic cylinder, a hydraulic tank, a hydraulic conveying device, a hydraulic accumulator, a first selector valve arranged between the hydraulic accumulator and the hydraulic cylinder, a control implement with at least three switch positions, that include a lifting position, a lowering position and a neutral position for the hydraulic cylinder and a pipe break safety arrangement arranged between the control implement and the hydraulic cylinder. In order to permit the opening of the pipe break safety arrangement, a first control pressure line extends between the pipe break safety arrangement and a conveying device and first switching devices are arranged in the first control pressure line so that a control pressure can be applied to the first control pressure line by switching the first switching devices and the pipe break safety arrangement can be controlled to open.
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