发明授权
EP0149304B1 A rotary positive-displacement machine, of the helical rotor type, and rotors therefor 失效
螺旋转子类型的旋转正位移机及其转子

  • 专利标题: A rotary positive-displacement machine, of the helical rotor type, and rotors therefor
  • 专利标题(中): 螺旋转子类型的旋转正位移机及其转子
  • 申请号: EP84307260.4
    申请日: 1984-10-22
  • 公开(公告)号: EP0149304B1
    公开(公告)日: 1990-01-24
  • 发明人: Bowman, James L.
  • 申请人: INGERSOLL-RAND COMPANY
  • 申请人地址: 200 Chestnut Ridge Road Woodcliff Lake New Jersey 07675-8738 US
  • 专利权人: INGERSOLL-RAND COMPANY
  • 当前专利权人: INGERSOLL-RAND COMPANY
  • 当前专利权人地址: 200 Chestnut Ridge Road Woodcliff Lake New Jersey 07675-8738 US
  • 代理机构: Adams, William Gordon
  • 优先权: US571109 19840116
  • 主分类号: F04C18/16
  • IPC分类号: F04C18/16
A rotary positive-displacement machine, of the helical rotor type, and rotors therefor
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