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    • 51. 发明申请
    • Non-linear cathode inlet/outlet humidity control
    • 非线性阴极入口/出口湿度控制
    • US20070138309A1
    • 2007-06-21
    • US11304332
    • 2005-12-15
    • Oliver MaierPeter Willimowski
    • Oliver MaierPeter Willimowski
    • B01F3/02H01M8/04
    • H01M8/04507H01M8/04141H01M8/04395H01M8/04753H01M8/04835
    • A technique for controlling the relative humidity of a cathode airflow to a fuel cell stack that includes compensating for valve non-linearities. The cathode input air flows through a water vapor transfer unit where it is humidified. The humidified cathode exhaust from the fuel cell stack is output to the water vapor transfer unit to provide the water vapor for humidifying the cathode input airflow. A first control valve controls the flow of the cathode exhaust through the water vapor transfer unit and a second control valve controls the flow of the cathode exhaust that by-passes the water vapor transfer unit to control both the relative humidity of the cathode input airflow and the pressure within the stack. By compensating for the non-linearity, the first and second valves control the relative humidity of the cathode airflow without changing the cathode output resistance.
    • 用于控制包括补偿阀非线性的燃料电池堆的阴极气流的相对湿度的技术。 阴极输入空气流过其中被加湿的水蒸气转移单元。 来自燃料电池堆的加湿的阴极排出物输出到水蒸气转移单元,以提供用于加湿阴极输入气流的水蒸汽。 第一控制阀控制通过水蒸气转移单元的阴极排气的流动,第二控制阀控制旁路水蒸汽转移单元的阴极排气流,以控制阴极输入气流的相对湿度, 堆内的压力。 通过补偿非线性,第一和第二阀控制阴极气流的相对湿度,而不改变阴极输出电阻。
    • 54. 发明授权
    • Advanced controls algorithm for an electronic pressure regulator system with pulsed disturbances
    • 具有脉冲干扰的电子压力调节器系统的先进控制算法
    • US09166238B2
    • 2015-10-20
    • US13217888
    • 2011-08-25
    • Oliver MaierMichael Leykauf
    • Oliver MaierMichael Leykauf
    • H01M8/04
    • H01M8/04388H01M8/04H01M8/04753H01M2250/20Y02E60/50Y02T90/32Y10T137/0379
    • A system and method for regulating the pressure within a volume between a pressure regulator and an injector that injects hydrogen gas into the anode side of a fuel cell stack. The method includes delaying a copy of the a pulsed signal that controls the opening and closing of the injector a predetermined period of time and provides a bias signal from a look-up table that is determined by a desired average mass flow of the hydrogen gas flow to the fuel cell stack and the pressure at an upstream location of the hydrogen gas flow from the pressure regulator. The method selects the bias signal as a pressure regulator control signal that controls the pressure regulator when the delayed pulse injector signal is high and selects an arbitrary value at or near zero as the pressure regulator control signal when a delayed pulse injector is low.
    • 一种用于调节压力调节器和将氢气注入燃料电池堆的阳极侧的喷射器之间的体积内的压力的系统和方法。 该方法包括将控制喷射器的打开和关闭的脉冲信号的副本延迟预定时间段,并且提供来自查找表的偏置信号,所述偏差信号由氢气流的期望平均质量流量确定 并且来自压力调节器的氢气流的上游位置处的压力。 该方法选择偏置信号作为压力调节器控制信号,当延迟脉冲喷射器信号为高时控制压力调节器,并且当延迟脉冲喷射器为低时,选择零度或接近零的任意值作为压力调节器控制信号。
    • 55. 发明授权
    • Non-thermoset sheet-like structure for a spiral sieve, and method for manufacturing a spiral sieve
    • 用于螺旋筛的非热固性片状结构以及螺旋筛的制造方法
    • US09085852B2
    • 2015-07-21
    • US14130780
    • 2012-06-18
    • Oliver Maier
    • Oliver Maier
    • D21F1/00
    • D21F1/0072Y10T156/10
    • A method for producing a spiral link fabric with a plurality of spirals joined to one another in an overlapping manner, with a plurality of seam wires stitched into overlapping regions of adjacent spirals and connecting the spirals to one another to form a flat structure, and with a plurality of packing elements introduced into free cross sections of the spirals, wherein the flat structure runs through a thermofixing operation before or after the introduction of the packing elements. The spirals are joined together to form the flat structure such that, before the thermofixing operation, the result is a clear width, as viewed in the plane of the flat structure, for the free cross sections of the spirals connected to one another to form the flat structure, which clear width is larger than a clear height of the free cross section of each spiral.
    • 一种螺旋连结织物的制造方法,其具有以相互重叠的方式彼此接合的多个螺旋线,多条接缝线缝合在相邻螺旋线的重叠区域中,并将螺旋彼此连接以形成平坦结构,并且 引入到螺旋的自由横截面中的多个填充元件,其中平坦结构在引入包装元件之前或之后穿过热固定操作。 螺旋连接在一起以形成平坦结构,使得在热固定操作之前,结果是在扁平结构的平面中看到的清晰的宽度,对于彼此连接的螺旋的自由横截面形成 平坦的结构,其清晰宽度大于每个螺旋的自由横截面的清晰高度。
    • 58. 发明授权
    • Sensorless relative humidity control in a fuel cell application
    • 燃料电池应用中的无传感器相对湿度控制
    • US08470479B2
    • 2013-06-25
    • US11304198
    • 2005-12-15
    • Marc BeckerOliver MaierPeter Willimowski
    • Marc BeckerOliver MaierPeter Willimowski
    • H01M8/06
    • H01M8/04835H01M8/04141H01M8/04291H01M8/04335H01M8/0435H01M8/04395H01M8/04507H01M8/04753H01M2008/1095
    • A technique for determining the relative humidity of the cathode input airflow to a fuel cell stack that eliminates the need for a dew-point sensor. The cathode input airflow is humidified by a water vapor transfer unit that uses water in the cathode exhaust gas. The technique employs an algorithm that determines the flow of water into the cathode inlet of the stack. In one embodiment, the algorithm determines the volume flow of water through the water vapor transfer unit using the Arrhenius equation, and then converts the water volume flow to a water mole flow. The algorithm then uses the water mole flow through the water vapor transfer unit and the water mole flow of ambient air to determine the water mole flow into the cathode inlet. The algorithm then uses the water mole flow into the cathode inlet to determine the relative humidity of the cathode airflow.
    • 用于确定阴极输入气流到燃料电池堆的相对湿度的技术,其消除了对露点传感器的需要。 阴极输入气流由在阴极废气中使用水的水蒸汽转移单元加湿。 该技术采用一种算法来确定进入堆叠阴极入口的水流。 在一个实施例中,算法通过使用Arrhenius方程确定通过水蒸汽转移单元的水的体积流量,然后将水体积流转换成水摩尔流。 然后,该算法使用通过水蒸气转移单元的水摩尔流和环境空气的水摩尔流量来确定进入阴极入口的水摩尔流。 然后,该算法使用进入阴极入口的水摩尔流来确定阴极气流的相对湿度。