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    • 7. 发明授权
    • Pressure differential control in an electrolytic cell
    • 电解槽中的压差控制
    • US6146518A
    • 2000-11-14
    • US387829
    • 1999-09-01
    • Matthew J. FairlieWilliam J. StewartCharlie Dong
    • Matthew J. FairlieWilliam J. StewartCharlie Dong
    • C25B1/08C25B15/02
    • C25B15/02Y02E60/366
    • An improved process for providing hydrogen from an electrolytic cell having an anolyte solution having an anolyte liquid level; a catholyte solution having a catholyte liquid level; generating oxygen at an oxygen pressure above the anolyte level; generating hydrogen at a hydrogen pressure above the catholyte level; the improvement comprising detecting at least one of the anolyte and the catholyte liquid levels as anolyte level and catholyte level data; feeding the level data to central processing means; determining the pressure differential between the levels from the level data, and pressure adjustment data by the central processing means; and providing the adjustment data to pressure control means to maintain the pressure differential within a selected range. The process offers a low cost method of controlling the pressure differential to within 2 cm WC of a set point.
    • 从具有阳极电解液液面的阳极电解液的电解槽中提供氢的改进方法; 具有阴极电解液液面的阴极电解液; 在高于阳极电解液水平的氧气压力下产生氧气; 在高于阴极电解液水平的氢气压力下产生氢气; 所述改进包括将阳极电解液和阴极电解液液面中的至少一种检测为阳极电解液水平和阴极电解液水平数据; 将电平数据馈送到中央处理装置; 从所述水平数据和所述中央处理装置的压力调整数据确定所述水平面之间的压力差; 以及将调节数据提供给压力控制装置,以将压力差保持在所选择的范围内。 该方法提供了将压差控制在设定点的2cm WC内的低成本方法。
    • 8. 发明授权
    • Light energy broadening coupler
    • 光能加宽耦合器
    • US5432872A
    • 1995-07-11
    • US183523
    • 1994-01-19
    • William J. StewartJens Buus
    • William J. StewartJens Buus
    • G02B6/26G02B6/28G02B6/30
    • G02B6/305G02B6/262G02B6/2804
    • An optical device comprising an optical waveguide (13) on a substrate (11) which over part of its length forms one of a stack (15) of coupled optical waveguide sections of the same length, the stack being of a length such that a light wave of predetermined frequency propagating along the waveguide (13) to enter the stack (15) at one end thereof produces light waves at the other end of the stack which are substantially in phase adjacent each waveguide section. The device finds particular application for coupling light from a substrate waveguide into another waveguide, e.g. an optical fibre (27), off the substrate (11).
    • 一种光学装置,包括在基板(11)上的光波导(13),所述光波导在其长度的一部分上形成具有相同长度的耦合的光波导部分的堆叠(15)中的一个,所述堆叠的长度使得光 沿着波导(13)传播的预定频率的波在其一端进入堆叠(15),在堆叠的另一端产生基本上与每个波导部分相邻的光波。 该装置具有用于将来自衬底波导的光耦合到另一个波导中的特定应用。 离开基板(11)的光纤(27)。