发明授权
US08011907B2 Piston pump with compact retention device for a restoring spring 有权
活塞泵具有紧凑的恢复弹簧保持装置

  • 专利标题: Piston pump with compact retention device for a restoring spring
  • 专利标题(中): 活塞泵具有紧凑的恢复弹簧保持装置
  • 申请号: US11658253
    申请日: 2005-07-14
  • 公开(公告)号: US08011907B2
    公开(公告)日: 2011-09-06
  • 发明人: Rene ScheppWolfgang SchullerJuergen Reiner
  • 申请人: Rene ScheppWolfgang SchullerJuergen Reiner
  • 申请人地址: DE Stuttgart
  • 专利权人: Robert Bosch GmbH
  • 当前专利权人: Robert Bosch GmbH
  • 当前专利权人地址: DE Stuttgart
  • 代理商 Ronald E. Greigg
  • 优先权: DE102004037147 20040730
  • 国际申请: PCT/EP2005/053373 WO 20050714
  • 国际公布: WO2006/013142 WO 20060209
  • 主分类号: F04B39/10
  • IPC分类号: F04B39/10 F04B53/12
Piston pump with compact retention device for a restoring spring
摘要:
A piston pump having a retaining device for retaining a spring element for restoring a closing element of a valve; the retaining device includes a receiving region for receiving and bracing the spring element and an integrally formed sealing region, in order to seal off a pressure chamber from a low-pressure region of the piston pump.
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