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    • 17. 发明授权
    • High pressure fitting for hydrogen applications
    • 用于氢气应用的高压配件
    • US08454058B2
    • 2013-06-04
    • US12852929
    • 2010-08-09
    • Rainer PechtoldJorg Schulze
    • Rainer PechtoldJorg Schulze
    • F16L19/06
    • F16L19/0206F16L19/0218F16L19/0286
    • High pressure hydrogen fittings and methods of sealing a pipe to a valve body. In one embodiment, the high pressure hydrogen fitting includes a pipe having flange near one end; a nut surrounding the pipe on a low pressure side of the flange, the nut having threads mating with threads on a valve body; a lip seal surrounding the pipe on a high pressure side of the flange, the flange supporting the lip seal, the lip seal pointing toward the valve body, the lip seal having a cylindrical sealing surface, the cylindrical seal surface engaging the valve body; wherein when the pipe containing hydrogen is connected to a valve body, a seal is maintained at a pressure of up to about 87.5 MPa.
    • 高压氢配件和密封管道到阀体的方法。 在一个实施例中,高压氢配件包括在一端附近具有凸缘的管; 在法兰的低压侧围绕管道的螺母,螺母具有与阀体上的螺纹配合的螺纹; 围绕凸缘的高压侧的管道的唇形密封件,支撑唇形密封件的凸缘,指向阀体的唇形密封件,唇形密封件具有圆柱形密封表面,圆柱形密封表面接合阀体; 其中当含有氢的管连接到阀体时,密封件保持在高达约87.5MPa的压力。
    • 18. 发明申请
    • HYDROGEN SUPPLY PRESSURE REGULATOR
    • 氢供应压力调节器
    • US20090242043A1
    • 2009-10-01
    • US12361818
    • 2009-01-29
    • Leonid C. LevDimitri A. PodorashiMichael J. LukitschRainer PechtoldHans Weidner
    • Leonid C. LevDimitri A. PodorashiMichael J. LukitschRainer PechtoldHans Weidner
    • G05D16/06
    • H01M8/04201G05D16/0619Y10T137/7793Y10T137/7808Y10T137/7835Y10T137/7836
    • Hydrogen gas flow from high pressure storage to a lower pressure hydrogen-using device is managed using one or more axial flow pressure regulators comprising a cup-shaped housing with an inlet for high pressure hydrogen gas at one end of the flow axis and a closure with a low pressure hydrogen outlet at the other end of the flow axis. A piston head with a piston stem are aligned on the flow axis and a hydrogen flow passage is formed up the stem and through the piston head to the hydrogen flow outlet. One or more combinations of a corrugated tubular bellows (or like expansive sealing vessel) with static seals attaching one bellows end to the piston stem or head and the other bellows end to the housing or closure are used to accommodate axial movement of the piston while isolating and containing hydrogen gas flow from a high pressure chamber at a flow entrance to the piston stem to a low hydrogen pressure chamber at the piston head and closure outlet.
    • 使用一个或多个轴向流量调节器来管理从高压储存器到低压氢气使用装置的氢气流,所述轴流式流量调节器包括具有在流动轴线的一端具有用于高压氢气的入口的杯形壳体,以及具有 在流动轴的另一端的低压氢出口。 具有活塞杆的活塞头在流动轴线上对准,并且氢气流动通道形成在杆上并且通过活塞头到达氢气出口。 波纹管状波纹管(或类似膨胀密封容器)的一个或多个组合,其具有将一个波纹管端部附接到活塞杆或头部的静态密封件以及将另一个波纹管端部连接到壳体或封闭件的静态密封件用于容纳活塞的轴向运动,同时隔离 并且包含来自在活塞杆的流入口处的高压室的氢气流到活塞头和封闭出口处的低氢压力室。