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1. 发明授权

US09660278B2 Method for detecting orifice flow phase transition in a pressure-controlled anode 有权
公开(公告)号：US09660278B2
公开(公告)日：2017-05-23
申请号：US12711144
申请日：2010-02-23
申请人： Patrick Frost , Daniel C. Di Fiore , Ralf Senner
发明人： Patrick Frost , Daniel C. Di Fiore , Ralf Senner
IPC分类号： H01M8/04 , H01M8/04119 , H01M8/04828 , H01M8/04089 , H01M8/1018
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.

2. 发明授权

US09105887B2 Anode injector control algorithm for a low frequency discrete output 有权
标题翻译：用于低频离散输出的阳极喷射器控制算法
公开(公告)号：US09105887B2
公开(公告)日：2015-08-11
申请号：US13315186
申请日：2011-12-08
申请人： Daniel C. Di Fiore , Matthew A. Lang
发明人： Daniel C. Di Fiore , Matthew A. Lang
IPC分类号： H01M8/04 , G05B13/02 , H01M8/00
CPC分类号： H01M8/04089 , G05B13/0215 , H01M8/00 , H01M8/04 , H01M8/04753 , H01M8/04992 , Y02E60/50
摘要： A system and method for controlling an injector in a fuel cell system. The method provides a variety of injector pulse widths for at least one predetermined duty cycle and determines an injector close time for each of the variety of injector pulse widths. The method also determines an error for the at least one predetermined duty cycle based on each of the provided injector pulse widths and uses the injector pulse width with the lowest error for the at least one predetermined duty cycle.
摘要翻译：一种用于控制燃料电池系统中的喷射器的系统和方法。该方法为至少一个预定的工作周期提供各种喷射器脉冲宽度，并为各种喷射器脉冲宽度确定喷射器关闭时间。该方法还基于所提供的喷射器脉冲宽度中的每一个确定至少一个预定占空比的误差，并且在至少一个预定占空比中使用具有最低误差的喷射器脉冲宽度。

3. 发明授权

US09018961B2 Diagnosing injector failure via stack voltage response analysis 有权
标题翻译：通过堆叠电压响应分析诊断注射器故障
公开(公告)号：US09018961B2
公开(公告)日：2015-04-28
申请号：US13564333
申请日：2012-08-01
申请人： Manish Sinha , Daniel C. Di Fiore , John C. Fagley , Steven R. Falta
发明人： Manish Sinha , Daniel C. Di Fiore , John C. Fagley , Steven R. Falta
IPC分类号： G01R31/08 , G01M3/04 , G01R31/36 , H01M8/04
CPC分类号： H01M8/04686 , G01R31/362 , H01M8/04402 , H01M8/04559 , H01M8/04753 , Y02E60/50
摘要： A system and method for determining whether an anode injector that injects hydrogen gas into an anode side of a fuel cell stack has failed. The method includes monitoring a voltage of the fuel cell stack and performing spectral analysis of the stack voltage to identify amplitude peaks in the stack voltage. The method further includes determining whether the spectral analysis of the stack voltage has identified an amplitude peak at a location where an amplitude peak should occur if the injector is operating properly. If no amplitude peak is identified at that location, then the method determines that the injector is not operating properly. If an amplitude peak is identified at that location, then the method compares the amplitude peak to the desired amplitude peak to identify if it is within a threshold to determine if the injector is operating properly.
摘要翻译：用于确定将氢气注入燃料电池堆的阳极侧的阳极喷射器是否失效的系统和方法。该方法包括监测燃料电池堆的电压并执行堆叠电压的光谱分析以识别堆叠电压中的幅度峰值。该方法还包括确定堆叠电压的光谱分析是否已经在如果喷射器正常工作的情况下在振幅峰值应该发生的位置处确定了振幅峰值。如果在该位置没有识别到振幅峰值，则该方法确定喷射器不能正常工作。如果在该位置识别振幅峰值，则该方法将振幅峰值与期望振幅峰值进行比较，以识别其是否在阈值内以确定喷射器是否正常工作。

4. 发明授权

US08828615B2 Acoustic speed of sound measurement using bandpass filtering of automotive pressure sensors 有权
标题翻译：使用汽车压力传感器带通滤波的声速测量声速
公开(公告)号：US08828615B2
公开(公告)日：2014-09-09
申请号：US13104671
申请日：2011-05-10
申请人： Thomas W. Tighe , Daniel C. Di Fiore
发明人： Thomas W. Tighe , Daniel C. Di Fiore
IPC分类号： H01M8/04 , H01M8/06
CPC分类号： H01M8/04388 , H01M8/04089
摘要： A fuel cell system that determines the concentration of hydrogen gas in an anode loop. The fuel cell system includes at least one fuel cell, an anode inlet, an anode outlet, an anode loop, a source of hydrogen gas and an injector for injecting the hydrogen gas. First and second pressure sensors are provided in the anode loop and are spaced a known distance from each other. A controller responsive to the output signals from the first and second pressure sensors filters the sensor signals from the first and second pressure sensors and determines the concentration of hydrogen gas in the anode loop based on the time difference between the filtered sensor signal from the first pressure sensor and the filtered sensor signal from the second pressure sensor.
摘要翻译：确定阳极回路中氢气浓度的燃料电池系统。燃料电池系统包括至少一个燃料电池，阳极入口，阳极出口，阳极环，氢气源和用于注入氢气的注射器。第一和第二压力传感器设置在阳极环中并且彼此隔开已知的距离。响应于来自第一和第二压力传感器的输出信号的控制器对来自第一和第二压力传感器的传感器信号进行过滤，并且基于来自第一压力的经滤波的传感器信号之间的时间差确定阳极回路中的氢气的浓度传感器和来自第二压力传感器的已滤波的传感器信号。

5. 发明授权

US08603688B2 Anode gas composition utilizing H2 injection pressure wave propagation rates 有权
标题翻译：利用H2注射压力波传播速率的阳极气体组成
公开(公告)号：US08603688B2
公开(公告)日：2013-12-10
申请号：US12913324
申请日：2010-10-27
申请人： Daniel I. Harris , Matthew A. Lang , Daniel C. Di Fiore
发明人： Daniel I. Harris , Matthew A. Lang , Daniel C. Di Fiore
IPC分类号： H01M8/04
CPC分类号： H01M8/04462 , H01M8/04305 , H01M8/04514 , H01M8/04992
摘要： A system for determining the concentration of hydrogen in an anode sub-system of a fuel cell system. The fuel cell system includes at least one fuel cell, an anode inlet, an anode outlet, an anode recirculation line, a source of hydrogen gas and an injector for injecting the hydrogen gas. First and second acoustic sensors are provided in the anode recirculation line and are spaced a known distance from each other. A controller that is responsive to the output signals from the first and second acoustic sensors determines the concentration of hydrogen gas in the anode recirculation line based on the time between when the controller receives the sensor signal from the first sensor and receives the sensor signal from the second sensor.
摘要翻译：一种用于确定燃料电池系统的阳极子系统中的氢浓度的系统。燃料电池系统包括至少一个燃料电池，阳极入口，阳极出口，阳极再循环管线，氢气源和用于注入氢气的注射器。第一和第二声学传感器设置在阳极再循环管线中并且彼此隔开已知的距离。响应于来自第一和第二声学传感器的输出信号的控制器基于控制器从第一传感器接收到传感器信号并从第一传感器接收传感器信号之间的时间来确定阳极再循环管线中的氢气浓度第二传感器。

6. 发明申请

US20120052408A1 MEMBRANE PERMEATION ADJUSTMENT IN PEM FUEL CELL 有权
标题翻译： PEM燃料电池膜渗透调整
公开(公告)号：US20120052408A1
公开(公告)日：2012-03-01
申请号：US12868487
申请日：2010-08-25
申请人： Matthew A. Lang , Daniel C. Di Fiore , William H. Pettit , Steven R. Falta , John C. Fagley
发明人： Matthew A. Lang , Daniel C. Di Fiore , William H. Pettit , Steven R. Falta , John C. Fagley
IPC分类号： H01M8/04 , G06G7/58
CPC分类号： H01M8/04992 , H01M8/04097 , H01M8/04111 , H01M8/04231 , H01M8/04402 , H01M8/04462 , H01M8/04746 , H01M8/04791
摘要： A system and method for correcting an estimation of nitrogen in an anode side of a fuel cell stack. The system includes a fuel cell stack and a pressure sensor for measuring pressure in an anode sub-system. The system also includes a controller configured to control the estimation of nitrogen permeation from the cathode side to the anode side of the stack, where the controller determines if the pressure in the anode sub-system equilibrates with atmospheric pressure in a shorter period of time after shutdown compared to the time necessary for the anode sub-system to reach approximately atmospheric pressure after a previous shutdown or calibrated time value, and corrects the estimation of nitrogen in the anode side of the stack if the pressure equilibrates in a shorter period of time.
摘要翻译：一种用于校正燃料电池堆的阳极侧的氮的估计的系统和方法。该系统包括用于测量阳极子系统中的压力的燃料电池堆和压力传感器。该系统还包括控制器，其被配置为控制从堆的阴极侧到阳极侧的氮气渗透的估计，其中控制器确定阳极子系统中的压力是否在大气压力之后在更短的时间段内平衡与阳极子系统在先前停机或校准时间值之后达到大致压力所需的时间相比，如果压力在更短的时间内平衡，则校正堆叠阳极侧的氮气的估计。

7. 发明申请

US20110143234A1 INJECTOR CONTROL FOR FUEL CELL SYSTEM 有权
标题翻译：喷油器系统喷油器控制
公开(公告)号：US20110143234A1
公开(公告)日：2011-06-16
申请号：US12635429
申请日：2009-12-10
申请人： Ralf Senner , Daniel C. Di Fiore
发明人： Ralf Senner , Daniel C. Di Fiore
IPC分类号： H01M8/00 , H01M8/04
CPC分类号： H01M8/04097 , H01M8/04388 , H01M8/04589 , H01M8/04753
摘要： A fuel cell system that employs an injector/ejector for providing fresh hydrogen and anode recirculation gas to the anode side of a fuel cell stack. The injector/ejector is operated with a variable frequency so that the injector open time at low stack current densities is long enough to allow a pressure drop to be provided in the anode flow channels to push out water that may have accumulated therein. In one embodiment, the injector/ejector control provides a minimum pulse width per cycle and a maximum frequency so that as the stack current density decreases below a certain value the frequency decreases from the maximum frequency to maintain the pulse width constant at the minimum pulse width.
摘要翻译：一种燃料电池系统，其采用喷射器/喷射器来向燃料电池堆的阳极侧提供新的氢气和阳极再循环气体。喷射器/喷射器以可变频率操作，使得在低堆电流密度下的喷射器打开时间足够长以允许在阳极流动通道中提供压降以推出可能积聚在其中的水。在一个实施例中，喷射器/喷射器控制提供每个周期的最小脉冲宽度和最大频率，使得当堆叠电流密度降低到特定值以下时，频率从最大频率减小，以将脉冲宽度保持在最小脉冲宽度。

8. 发明授权

US09105888B2 Anode purge and drain valve strategy for fuel cell system 有权
标题翻译：燃料电池系统的阳极吹扫和排水阀策略
公开(公告)号：US09105888B2
公开(公告)日：2015-08-11
申请号：US13268043
申请日：2011-10-07
申请人： Steven R. Falta , Matthew A. Lang , Daniel C. Di Fiore
发明人： Steven R. Falta , Matthew A. Lang , Daniel C. Di Fiore
IPC分类号： H01M8/06 , H01M8/04 , H01M8/10
CPC分类号： H01M8/04097 , H01M8/04164 , H01M8/04179 , H01M8/04231 , H01M8/04402 , H01M8/04492 , H01M8/04514 , H01M8/04761 , H01M8/04776 , H01M8/04843 , H01M8/04992 , H01M2008/1095 , Y02E60/50
摘要： A combined water drain and diluent gas purge valve routes fluid from the anode side of a fuel cell to the cathode inlet. When a purge of diluent gas is requested, the valve opens, draining any liquid present in the sump of a water separation device, for example. After the liquid has drained, the diluent gas is purged. An anode bleed model using fuel injector feedback can determine the amount of gas exiting the valve, and can request the valve to close once the required amount of diluent is purged. During operation, an amount of hydrogen may exit the valve. Hydrogen passing through the valve can be catalytically consumed once it reaches the cathode electrode, causing the cathode exhaust, and the fuel cell exhaust to have a reduced hydrogen content.
摘要翻译：组合的排水和稀释气体吹扫阀将流体从燃料电池的阳极侧引导到阴极入口。当要求吹扫稀释气体时，例如，阀打开，排出存在于水分离装置的贮槽中的任何液体。液体排出后，稀释气体被清除。使用燃料喷射器反馈的阳极排放模型可以确定离开阀的气体的量，并且一旦清除了所需量的稀释剂就可以要求阀关闭。在运行期间，一定量的氢气可能会离开阀门。一旦达到阴极电极，通过阀门的氢气就可以被催化消耗，导致阴极排气，并且燃料电池排气管的氢含量降低。

9. 发明申请

US20130089797A1 ANODE PURGE AND DRAIN VALVE STRATEGY FOR FUEL CELL SYSTEM 有权
标题翻译：燃料电池系统的阳极泵和排水阀策略
公开(公告)号：US20130089797A1
公开(公告)日：2013-04-11
申请号：US13268043
申请日：2011-10-07
申请人： Steven R. Falta , Matthew A. Lang , Daniel C. Di Fiore
发明人： Steven R. Falta , Matthew A. Lang , Daniel C. Di Fiore
IPC分类号： H01M8/06
CPC分类号： H01M8/04097 , H01M8/04164 , H01M8/04179 , H01M8/04231 , H01M8/04402 , H01M8/04492 , H01M8/04514 , H01M8/04761 , H01M8/04776 , H01M8/04843 , H01M8/04992 , H01M2008/1095 , Y02E60/50
摘要： A combined water drain and diluent gas purge valve routes fluid from the anode side of a fuel cell to the cathode inlet. When a purge of diluent gas is requested, the valve opens, draining any liquid present in the sump of a water separation device, for example. After the liquid has drained, the diluent gas is purged. An anode bleed model using fuel injector feedback can determine the amount of gas exiting the valve, and can request the valve to close once the required amount of diluent is purged. During operation, an amount of hydrogen may exit the valve. Hydrogen passing through the valve can be catalytically consumed once it reaches the cathode electrode, causing the cathode exhaust, and the fuel cell exhaust to have a reduced hydrogen content.
摘要翻译：组合的排水和稀释气体吹扫阀将流体从燃料电池的阳极侧引导到阴极入口。当要求吹扫稀释气体时，例如，阀打开，排出存在于水分离装置的贮槽中的任何液体。液体排出后，稀释气体被清除。使用燃料喷射器反馈的阳极排放模型可以确定离开阀的气体的量，并且一旦清除了所需量的稀释剂就可以要求阀关闭。在运行期间，一定量的氢气可能会离开阀门。一旦达到阴极电极，通过阀门的氢气就可以被催化消耗，导致阴极排气，并且燃料电池排气管的氢含量降低。

10. 发明申请

US20120028152A1 DIAGNOSIS AND REMEDIATION OF LOW ANODE HYDROGEN PARTIAL PRESSURE IN A PEM FUEL CELL SYSTEM 有权
标题翻译： PEM燃料电池系统中低阳极部分压力的诊断和补救
公开(公告)号：US20120028152A1
公开(公告)日：2012-02-02
申请号：US12844423
申请日：2010-07-27
申请人： Daniel I. Harris , Matthew A. Lang , Daniel C. Di Fiore
发明人： Daniel I. Harris , Matthew A. Lang , Daniel C. Di Fiore
IPC分类号： H01M8/04
CPC分类号： H01M8/04559 , H01M8/04447 , H01M8/04589 , H01M8/04798 , H01M8/0488 , H01M2008/1095
摘要： A system and method for preventing anode reactant starvation. The system includes a hydrogen source, an anode bleed valve, and a cell voltage monitor. The system also includes an anode sub-system pressure sensor and a controller configured to control the anode sub-system. The controller determines the average cell voltage and estimates the hydrogen molar fraction and/or nitrogen molar fraction in the anode sub-system. The controller also receives measurement data from the cell voltage monitor and the pressure sensor, and determines whether there is a decrease in the minimum cell voltage in response to changes in the anode pressure. If the controller detects a decrease in the minimum cell voltage in response to changes in the anode pressure, the controller corrects for the decrease by increasing anode pressure and/or by decreasing the molar fraction of nitrogen in the anode sub-system.
摘要翻译：一种用于防止阳极反应物饥饿的系统和方法。该系统包括氢源，阳极放电阀和电池电压监视器。该系统还包括阳极子系统压力传感器和被配置为控制阳极子系统的控制器。控制器确定平均电池电压并估计阳极子系统中的氢摩尔分数和/或氮摩尔分数。控制器还从电池电压监视器和压力传感器接收测量数据，并且确定响应于阳极压力的变化是否存在最小电池电压的降低。如果控制器响应于阳极压力的变化而检测到最小电池电压的降低，则控制器通过增加阳极压力和/或通过降低阳极子系统中的氮的摩尔分数来校正该降低。

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