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    METHOD FOR DETECTING ORIFICE FLOW PHASE TRANSITION IN A PRESSURE-CONTROLLED ANODE
    11.
    发明申请
    METHOD FOR DETECTING ORIFICE FLOW PHASE TRANSITION IN A PRESSURE-CONTROLLED ANODE 有权
    用于检测压力控制阳极中的流动相流过渡的方法

    公开(公告)号：US20110207012A1

    公开(公告)日：2011-08-25

    申请号：US12711144

    申请日：2010-02-23

    申请人： Patrick Frost ,  Daniel C. DiFiore ,  Ralf Senner

    发明人： Patrick Frost ,  Daniel C. DiFiore ,  Ralf Senner

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04164 ,  H01M8/04097 ,  H01M8/04843 ,  H01M2008/1095

    摘要： A fuel cell system that determines the phase transition from water to gas through a bleed/drain valve in a water separation device. The fuel cell system includes a fuel cell stack having an anode side and a cathode side. An injector injects hydrogen gas into the anode side of the fuel cell stack. The water separation device receives an anode exhaust gas from the anode side of the fuel cell stack, where the water separation device includes a water holding reservoir. A controller controls the injector and the bleed/drain valve and determines when the bleed/drain valve transitions from draining water to bleeding the anode exhaust gas by comparing the flow rate through the water separation device and the flow rate through the injector.

    摘要翻译： 一种燃料电池系统，其确定在水分离装置中通过泄放/排放阀从水到气体的相变。 燃料电池系统包括具有阳极侧和阴极侧的燃料电池堆。 喷射器将氢气注入到燃料电池堆的阳极侧。 水分离装置从燃料电池堆的阳极侧接收阳极废气，其中水分离装置包括储水槽。 控制器控制喷射器和泄放/排出阀，并且确定放气/排出阀何时何时从排水转变为通过比较通过水分离装置的流速和通过喷射器的流量来排出阳极废气。

    On-line system identification and control of fuel cell humidification via HFR measurements
    14.
    发明授权
    On-line system identification and control of fuel cell humidification via HFR measurements 有权
    通过HFR测量在线系统识别和控制燃料电池加湿

    公开(公告)号：US07687164B2

    公开(公告)日：2010-03-30

    申请号：US11858964

    申请日：2007-09-21

    申请人： Patrick Frost ,  Manish Sinha ,  Jason R. Kolodziej

    发明人： Patrick Frost ,  Manish Sinha ,  Jason R. Kolodziej

    IPC分类号： H01M8/04 ,  H01M8/00

    CPC分类号： H01M8/04126 ,  H01M8/04358 ,  H01M8/0438 ,  H01M8/04529 ,  H01M8/04649 ,  H01M8/04731 ,  H01M8/04835 ,  H01M8/0485 ,  H01M2008/1095

    摘要： A fuel cell system is provided, including an HFR measurement device in electrical communication with a fuel cell stack. The HFR measurement is used online to measure an HFR of the fuel cell stack suitable for calculation of a d(HFR)/d(RH) ratio. A humidity regulator is provided in fluid communication with the fuel cell stack. A controller periodically changes stack operating conditions to perturb an RH of the fuel cell stack, process the HFR response, and compute the d(HFR)/d(RH) ratio. A method for online identification and control of the fuel cell stack humidification is also provided. The d(HFR)/d(RH) ratio is an auxiliary measurement of membrane hydration which is used as a feedback for hydration control.

    摘要翻译： 提供了一种燃料电池系统，包括与燃料电池堆电连通的HFR测量装置。 在线使用HFR测量来测量适合于计算d（HFR）/ d（RH）比的燃料电池堆的HFR。 提供与燃料电池堆流体连通的湿度调节器。 控制器周期性地改变堆操作条件以扰乱燃料电池堆的RH，处理HFR响应，并计算d（HFR）/ d（RH）比。 还提供了用于在线识别和控制燃料电池堆加湿的方法。 d（HFR）/ d（RH）比是膜水合的辅助测量，用作水合控制的反馈。

    DETECTION OF CELL-TO-CELL VARIABILITY IN WATER HOLDUP USING PATTERN RECOGNITION TECHNIQUES
    15.
    发明申请
    DETECTION OF CELL-TO-CELL VARIABILITY IN WATER HOLDUP USING PATTERN RECOGNITION TECHNIQUES 有权
    使用模式识别技术检测水池中的细胞间变异性

    公开(公告)号：US20080050620A1

    公开(公告)日：2008-02-28

    申请号：US11467585

    申请日：2006-08-28

    申请人： Patrick Frost ,  Manish Sinha ,  Jason R. Kolodziej

    发明人： Patrick Frost ,  Manish Sinha ,  Jason R. Kolodziej

    IPC分类号： H01M8/04 ,  G01N27/00

    CPC分类号： H01M8/04179

    摘要： A system and method for preventing low performing cells in a fuel cell stack. The method includes periodically providing a pulse of the cathode input airflow at low stack current densities, and comparing the current density output of each cell in response to the pulse. Those cells that do not have significant water accumulation will provide one voltage signature and those cells that do have a significant water accumulation will provide another voltage signature. If one or more of the cells exhibit the voltage signature for water accumulation, then the cathode inlet airflow pulses can be provided more often to prevent the cells from failing.

    摘要翻译： 一种用于防止燃料电池堆中的低效电池的系统和方法。 该方法包括以低堆叠电流密度周期性地提供阴极输入气流的脉冲，并且响应于脉冲比较每个电池的电流密度输出。 那些没有显着水分积累的细胞将提供一个电压特征，那些确实具有显着水分积累的细胞将提供另一种电压特征。 如果一个或多个电池表现出用于积聚的电压特征，则可以更频繁地提供阴极入口气流脉冲以防止电池发生故障。

    System and method for observing anode fluid composition during fuel cell start-up
    18.
    发明授权
    System and method for observing anode fluid composition during fuel cell start-up 有权
    在燃料电池启动期间观察阳极流体组成的系统和方法

    公开(公告)号：US08906570B2

    公开(公告)日：2014-12-09

    申请号：US12361042

    申请日：2009-01-28

    申请人： Patrick Frost ,  Daniel I Harris ,  Manish Sinha ,  Gary M. Robb

    发明人： Patrick Frost ,  Daniel I Harris ,  Manish Sinha ,  Gary M. Robb

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04231 ,  H01M8/04388 ,  H01M8/04402 ,  H01M8/0447 ,  H01M8/04805 ,  Y02E60/50

    摘要： A fuel cell system including a fuel cell stack having a plurality of fuel cells, the fuel cell stack including an anode supply manifold and an anode exhaust manifold, a first valve in fluid communication with at least one of the anode supply manifold and the anode exhaust manifold, wherein the first valve includes an inlet for receiving a fluid flow and an outlet for exhausting a fluid, a sensor for measuring at least a fluid pressure at the inlet and the outlet of the first valve, wherein the sensor generates a sensor signal representing the pressure measurement, and a processor for receiving the sensor signal, analyzing the sensor signal, and determining a composition of a fluid in the fuel cell system based upon the analysis of the sensor signal.

    摘要翻译： 一种燃料电池系统，包括具有多个燃料电池的燃料电池堆，所述燃料电池堆包括阳极供应歧管和阳极排气歧管，与阳极供应歧管和阳极排气中的至少一个流体连通的第一阀 歧管，其中所述第一阀包括用于接收流体流的入口和用于排出流体的出口，用于至少测量所述第一阀的入口和出口处的流体压力的传感器，其中所述传感器产生代表 压力测量，以及用于接收传感器信号的处理器，分析传感器信号，以及基于传感器信号的分析来确定燃料电池系统中的流体的组成。

    FEED FORWARD FUEL CONTROL ALGORITHM TO DECREASE FUEL CELL VEHICLE START UP TIME
    19.
    发明申请
    FEED FORWARD FUEL CONTROL ALGORITHM TO DECREASE FUEL CELL VEHICLE START UP TIME 审中-公开
    进给前向燃料控制算法以减少燃料电池车辆启动时间

    公开(公告)号：US20110200900A1

    公开(公告)日：2011-08-18

    申请号：US12707387

    申请日：2010-02-17

    申请人： Daniel I. Harris ,  Patrick Frost ,  Gary M. Robb

    发明人： Daniel I. Harris ,  Patrick Frost ,  Gary M. Robb

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04302 ,  H01M8/04223 ,  H01M8/04388 ,  H01M2008/1095

    摘要： A method for monitoring the pressure in an anode sub-system of a fuel cell system during a pressurization stage at system start-up prior to an anode purge. The method includes providing hydrogen gas to the anode sub-system during the pressurization stage, typically from one or more injectors. The method determines how many moles of the hydrogen gas has been provided to the anode sub-system, and uses the number of moles to determine the pressure in the anode sub-system. The method uses the determined pressure to stop the pressurization stage when the determined pressure is about equal to the desired pressure.

    摘要翻译： 一种用于在阳极吹扫之前的系统启动的加压阶段期间监测燃料电池系统的阳极子系统中的压力的​​方法。 该方法包括在加压阶段期间通常从一个或多个喷射器向阳极子系统提供氢气。 该方法确定已经向阳极子系统提供了多少摩尔氢气，并且使用摩尔数来确定阳极子系统中的压力。 当所确定的压力大约等于所需压力时，该方法使用确定的压力来停止加压阶段。

    ON-LINE SYSTEM IDENTIFICATION AND CONTROL OF FUEL CELL HUMIDIFICATION VIA HFR MEASUREMENTS
    20.
    发明申请
    ON-LINE SYSTEM IDENTIFICATION AND CONTROL OF FUEL CELL HUMIDIFICATION VIA HFR MEASUREMENTS 有权
    通过HFR测量在线系统识别和控制燃料电池湿度

    公开(公告)号：US20090081489A1

    公开(公告)日：2009-03-26

    申请号：US11858964

    申请日：2007-09-21

    申请人： Patrick Frost ,  Manish Sinha ,  Jason R. Kolodziej

    发明人： Patrick Frost ,  Manish Sinha ,  Jason R. Kolodziej

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04126 ,  H01M8/04358 ,  H01M8/0438 ,  H01M8/04529 ,  H01M8/04649 ,  H01M8/04731 ,  H01M8/04835 ,  H01M8/0485 ,  H01M2008/1095

    摘要： A fuel cell system is provided, including an HFR measurement device in electrical communication with a fuel cell stack. The HFR measurement is used online to measure an HFR of the fuel cell stack suitable for calculation of a d(HFR)/d(RH) ratio. A humidity regulator is provided in fluid communication with the fuel cell stack. A controller periodically changes stack operating conditions to perturb an RH of the fuel cell stack, process the HFR response, and compute the d(HFR)/d(RH) ratio. A method for online identification and control of the fuel cell stack humidification is also provided. The d(HFR)/d(RH) ratio is an auxiliary measurement of membrane hydration which is used as a feedback for hydration control.

    摘要翻译： 提供了一种燃料电池系统，包括与燃料电池堆电连通的HFR测量装置。 在线使用HFR测量来测量适合于计算d（HFR）/ d（RH）比的燃料电池堆的HFR。 提供与燃料电池堆流体连通的湿度调节器。 控制器周期性地改变堆操作条件以扰乱燃料电池堆的RH，处理HFR响应，并计算d（HFR）/ d（RH）比。 还提供了用于在线识别和控制燃料电池堆加湿的方法。 d（HFR）/ d（RH）比是膜水合的辅助测量，用作水合控制的反馈。