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    • 5. 发明授权
    • Apparatus and method for compressing high purity gas
    • 用于压缩高纯度气体的装置和方法
    • US5993170A
    • 1999-11-30
    • US57518
    • 1998-04-09
    • Joe StevensAllen ThompsonNorman CowanDavid Alvarez
    • Joe StevensAllen ThompsonNorman CowanDavid Alvarez
    • F04B35/00F04B39/00F04B39/04H05B1/00
    • F04B35/008F04B39/0005F04B39/04
    • An improved method and apparatus are disclosed for isolating product gas from compressor operating fluid. A portion of a piston rod directly exposed to the compressor's operating fluid (the oily portion of the piston rod) is atmospherically isolated from the remaining portion of the piston rod by providing the piston rod with a collar that separates the oily portion of the piston rod from the remainder of the piston rod. A first and a second flexible membrane are coupled to the collar to form a first isolation region, and a second isolation region; the first isolation region encases the oily portion of the piston rod and atmospherically isolates it from the second isolation region, and the second isolation region provides additional isolation from both the operating fluid and the ambient environment. A higher pressure is maintained along the backside of the piston that compresses the product gas than the pressure within the adjacent isolation region. Pairs of wipers with vents coupled therebetween additionally may be employed to further improve product gas isolation.
    • 公开了一种改进的方法和装置,用于从压缩机工作流体中分离产物气体。 直接暴露于压缩机的工作流体(活塞杆的油性部分)的活塞杆的一部分与活塞杆的剩余部分大气隔离,为活塞杆提供一个将活塞杆的油性部分分开的套环 从活塞杆的其余部分。 第一和第二柔性膜耦合到套环以形成第一隔离区域和第二隔离区域; 第一隔离区域包围活塞杆的油性部分并使其与第二隔离区域大气隔离,并且第二隔离区域提供与工作流体和周围环境的额外隔离。 沿着活塞的背面保持较高的压力,其压缩产品气体而不是相邻隔离区域内的压力。 可以采用具有连接在其上的通风口的擦拭器对以进一步改善产品气体隔离。
    • 7. 发明授权
    • High pressure/vacuum isolation apparatus and method
    • 高压/真空隔离装置及方法
    • US6073655A
    • 2000-06-13
    • US38255
    • 1998-03-10
    • Allen ThompsonShannon Hart
    • Allen ThompsonShannon Hart
    • F16K51/02F16K24/00
    • F16K51/02
    • A valve system is provided for operatively coupling a high pressure source to a processing chamber that selectively cycles between high pressure and vacuum. The valve system includes a branch passageway that selectively communicates a source of intermediate pressure to a main passageway that couples the high pressure source to the processing chamber. The source of intermediate pressure may comprise a vent, a pump, or a source of pressurized fluid, etc. An inventive valve for sealing between the intermediate pressure and the vacuum pressure is also provided. The inlet of the valve is operatively coupled to the high pressure source (via one or more valves) and the outlet of the valve is operatively coupled to the processing chamber (via one or more valves). The valve stem is in continuous fluid contact with the inlet and is configured for high pressure sealing, and the outlet is configured for low pressure sealing and preferably comprises a resilient sealing member.
    • 提供了一种阀系统,用于将高压源可操作地耦合到选择性地在高压和真空之间循环的处理室。 阀系统包括分支通道,其将中间压力源选择性地连接到将高压源连接到处理室的主通道。 中压源可以包括通风口,泵或加压流体源等。还提供了用于在中间压力和真空压力之间进行密封的本发明的阀。 阀的入口可操作地联接到高压源(经由一个或多个阀),并且阀的出口可操作地联接到处理室(经由一个或多个阀)。 阀杆与入口连续流体接触并且构造成用于高压密封,并且出口构造成用于低压密封,并且优选地包括弹性密封构件。
    • 9. 发明申请
    • Residual toner damming assembly
    • 残余墨粉阻挡组件
    • US20060088351A1
    • 2006-04-27
    • US10974615
    • 2004-10-27
    • Allen ThompsonWillie CottrellMichael Deluzio
    • Allen ThompsonWillie CottrellMichael Deluzio
    • G03G21/00
    • G03G21/007G03G2221/0005
    • A residual toner damming assembly is provided for use in a toner imaging machine having a moving toner image carrying surface and a cleaning blade for removing residual toner particles from the toner image carrying surface. The residual toner damming assembly includes (a) a sealing member for locating against the moving toner image carrying surface upstream of the cleaning blade relative to movement of the moving toner image carrying surface and (b) a damming device located against the sealing member and projecting in a residual toner capturing angle relative to the moving toner image carrying surface for capturing and accumulating a desired quantity of residual toner particles against the moving toner image carrying surface, thereby increasing a number of residual toner particles reaching and lubricating the cleaning edge of cleaning blade against the image carrying surface.
    • 提供了一种用于具有移动的调色剂图像承载表面的调色剂成像机和用于从调色剂图像承载表面除去残余调色剂颗粒的清洁刮板的残留调色剂阻挡组件。 残留调色剂阻挡组件包括(a)密封构件,其用于相对于移动的调色剂图像承载表面的移动而抵靠清洁刮板上游的调色剂图像承载表面;以及(b)位于密封构件上的阻挡装置,并且突出 在相对于移动的调色剂图像承载表面的残留调色剂捕获角度中,用于捕获并将所需量的残留调色剂颗粒累积在移动的调色剂图像承载表面上,从而增加到达并润滑清洁刮板的清洁边缘的残留调色剂颗粒的数量 抵抗图像承载表面。