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公开(公告)号：US07348084B2
公开(公告)日：2008-03-25
申请号：US11185660
申请日：2005-07-20
IPC分类号： H01M8/00
CPC分类号： H01M8/0618 , H01M8/04022 , H01M8/04089 , H01M8/1007
摘要： An airflow control system and method for a fuel cell includes a compressor that supplies air to a storage chamber for storing the air. Fuel cell subsystems are connected to the air storage chamber. Each of the fuel cell subsystems includes a flow controller and flow sensor. A sensor measures air pressure in the storage chamber. A controller polls the flow controllers of the fuel cell subsystems for a minimum required air pressure for the fuel cell subsystems. The controller selects a highest minimum required air pressure. The controller controls the compressor to provide the highest minimum required pressure in the air storage chamber. The air storage chamber includes tubing, a manifold or both.
摘要翻译： 用于燃料电池的气流控制系统和方法包括将空气供给到用于存储空气的储存室的压缩机。 燃料电池子系统连接到空气存储室。 每个燃料电池子系统包括流量控制器和流量传感器。 传感器测量储存室中的空气压力。 控制器轮询燃料电池子系统的流量控制器以获得燃料电池子系统的最小所需空气压力。 控制器选择最高要求的最低气压。 控制器控制压缩机以在空气存储室中提供最高的最低所需压力。 空气存储室包括管道，歧管或两者。
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公开(公告)号：US06942937B2
公开(公告)日：2005-09-13
申请号：US10021727
申请日：2001-12-12
CPC分类号： H01M8/0618 , H01M8/04022 , H01M8/04089 , H01M8/1007
摘要： An airflow control system and method for a fuel cell includes a compressor that supplies air to a storage chamber for storing the air. Fuel cell subsystems are connected to the air storage chamber. Each of the fuel cell subsystems includes a flow controller and flow sensor. A sensor measures air pressure in the storage chamber. A controller polls the flow controllers of the fuel cell subsystems for a minimum required air pressure for the fuel cell subsystems. The controller selects a highest minimum required air pressure. The controller controls the compressor to provide the highest minimum required pressure in the air storage chamber. The air storage chamber includes tubing, a manifold or both.
摘要翻译： 用于燃料电池的气流控制系统和方法包括将空气供给到用于存储空气的储存室的压缩机。 燃料电池子系统连接到空气存储室。 每个燃料电池子系统包括流量控制器和流量传感器。 传感器测量储存室中的空气压力。 控制器轮询燃料电池子系统的流量控制器以获得燃料电池子系统的最小所需空气压力。 控制器选择最高要求的最低气压。 控制器控制压缩机以在空气存储室中提供最高的最低所需压力。 空气存储室包括管道，歧管或两者。
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公开(公告)号：US06743539B2
公开(公告)日：2004-06-01
申请号：US10134991
申请日：2002-04-29
IPC分类号： H01M804
CPC分类号： H01M8/04358 , B60L1/003 , B60L1/02 , B60L3/0023 , B60L3/0046 , B60L11/1892 , B60L15/20 , B60L2210/10 , B60L2240/34 , B60L2240/36 , B60L2240/421 , B60L2240/425 , B60L2240/525 , B60L2240/662 , B60L2260/22 , B60L2260/26 , H01M8/04007 , H01M8/04298 , H01M8/04947 , Y02T10/645 , Y02T10/7216 , Y02T10/7275 , Y02T10/7291 , Y02T90/16 , Y02T90/34
摘要： A control system and method for operating a cooling fan in a coolant system of fuel cell power plant having a high temperature coolant loop and a low temperature coolant loop. The fan controller generates a fan control signal based on a first control signal from the high temperature coolant loop and a second control signal from the low temperature coolant loop. The first control signal is a function of the waste heat energy in the high temperature coolant loop, and the second control signal is a function of the temperature in the low temperature coolant loop. The fan control signal may also be generated based on a third control signal which is a function of a localized ambient temperature such as the under hood temperature of a vehicle.
摘要翻译： 一种用于操作具有高温冷却剂回路和低温冷却剂回路的燃料电池发电厂的冷却剂系统中的冷却风扇的控制系统和方法。 风扇控制器基于来自高温冷却剂回路的第一控制信号和来自低温冷却剂回路的第二控制信号产生风扇控制信号。 第一控制信号是高温冷却剂回路中的废热能的函数，第二控制信号是低温冷却剂回路中的温度的函数。 也可以基于第三控制信号来产生风扇控制信号，该第三控制信号是诸如车辆的发动机罩外温度之间的局部环境温度的函数。
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公开(公告)号：US06376112B1
公开(公告)日：2002-04-23
申请号：US09502876
申请日：2000-02-11
IPC分类号： H01M804
CPC分类号： B60L11/1892 , B60L3/0023 , B60L11/1885 , B60L11/1894 , H01M8/04223 , H01M8/04228 , H01M8/04303 , H01M8/04373 , H01M8/04425 , Y02P70/56 , Y02T90/16 , Y02T90/34
摘要： A method is provided for the shutdown of a fuel cell system to relieve system overpressure while maintaining air compressor operation, and corresponding vent valving and control arrangement. The method and venting arrangement are employed in a fuel cell system, for instance a vehicle propulsion system, comprising, in fluid communication, an air compressor having an outlet for providing air to the system, a combustor operative to provide combustor exhaust to the fuel processor.
摘要翻译： 提供了一种用于关闭燃料电池系统以减少系统超压同时保持空气压缩机运行的方法，以及相应的通风阀和控制装置。 该方法和排气装置用于燃料电池系统，例如车辆推进系统，其包括流体连通的空气压缩机，该空气压缩机具有用于向系统提供空气的出口，用于向燃料处理器提供燃烧器排气的燃烧器 。
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5.发明授权Fuel cell system logic for differentiating between rapid and normal shutdown commands 有权用于区分快速和正常关机命令的燃料电池系统逻辑
公开(公告)号：US6159626A
公开(公告)日：2000-12-12
申请号：US345139
申请日：1999-07-06
CPC分类号： H01M8/04303 , H01M8/04223 , H01M8/241 , H01M8/2457
摘要： A method of controlling the operation of a fuel cell system wherein each shutdown command for the system is subjected to decision logic which determines whether the command should be a normal shutdown command or rapid shutdown command. If the logic determines that the shutdown command should be a normal shutdown command, then the system is shutdown in a normal step-by-step process in which the hydrogen stream is consumed within the system. If the logic determines that the shutdown command should be a rapid shutdown command, the hydrogen stream is removed from the system either by dumping to atmosphere or routing to storage.
摘要翻译： 一种控制燃料电池系统的操作的方法，其中用于系统的每个关机命令都经过决定逻辑，该判定逻辑确定该命令是正常关机命令还是快速关机命令。 如果逻辑确定shutdown命令应该是一个正常的shutdown命令，那么系统将在系统中消耗氢气流的正常分步过程中关闭。 如果逻辑确定shutdown命令应该是快速关闭命令，则通过倾倒到大气中或将路由到存储器将氢流从系统中移除。
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6.发明授权Diagnostic system for identifying fuel injector failure in a fuel cell system 有权用于识别燃料电池系统中的燃料喷射器故障的诊断系统公开(公告)号：US06755077B2
公开(公告)日：2004-06-29
申请号：US10164293
申请日：2002-06-06
IPC分类号： G01M1500
CPC分类号： H01M8/04186 , H01M8/04425 , H01M8/04686 , H01M8/04955
摘要： A diagnostic system and method identifies fuel injector failure in a fuel cell system including a fuel processor and a fuel source. A fuel injector supplies fuel from the fuel source to the fuel processor. A pressure sensor generates a pressure signal based on pressure between the fuel source and the fuel injector. A fuel injector diagnostic identifies fuel injector failure based on the pressure signal. The fuel injector diagnostic includes a moving window tracker that tracks the pressure signal over a moving window. The fuel injector diagnostic further includes a standard deviation or variance calculator that generates a standard deviation or variance based on the pressure signal in the moving window.
摘要翻译： 诊断系统和方法识别包括燃料处理器和燃料源的燃料电池系统中的燃料喷射器故障。 燃料喷射器将燃料从燃料源提供给燃料处理器。 压力传感器基于燃料源和燃料喷射器之间的压力生成压力信号。 燃料喷射器诊断基于压力信号识别燃料喷射器故障。 燃料喷射器诊断装置包括在移动窗口上跟踪压力信号的移动窗口跟踪器。 燃料喷射器诊断还包括基于移动窗口中的压力信号产生标准偏差或方差的标准偏差或方差计算器。
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公开(公告)号：US06395414B1
公开(公告)日：2002-05-28
申请号：US09502640
申请日：2000-02-11
IPC分类号： H01M804
CPC分类号： H01M8/04761 , H01M8/04022 , H01M8/04223 , H01M8/04231 , H01M8/04303 , H01M8/04425 , H01M8/04753 , H01M8/04776 , H01M8/04955 , H01M8/24 , H01M8/241 , H01M8/2457 , H01M2250/20 , Y02T90/32
摘要： A venting methodology and system for rapid shutdown of a fuel cell apparatus of the type used in a vehicle propulsion system. H2 and air flows to the fuel cell stack are slowly bypassed to the combustor upon receipt of a rapid shutdown command. The bypass occurs over a period of time (for example one to five seconds) using conveniently-sized bypass valves. Upon receipt of the rapid shutdown command, the anode inlet of the fuel cell stack is instantaneously vented to a remote vent to remove all H2 from the stack. Airflow to the cathode inlet of the fuel cell stack gradually diminishes over the bypass period, and when the airflow bypass is complete the cathode inlet is also instantaneously vented to a remote vent to eliminate pressure differentials across the stack.
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公开(公告)号：US06391484B1
公开(公告)日：2002-05-21
申请号：US09347407
申请日：1999-07-06
IPC分类号： H01M806
CPC分类号： H01M8/0612 , B01J8/0285 , B01J8/0496 , B01J2208/00044 , B01J2208/00053 , B01J2208/00141 , B01J2208/00256 , B01J2208/00274 , B01J2219/00204 , B01J2219/00216 , B01J2219/0022 , C01B3/323 , C01B3/583 , C01B2203/044 , C01B2203/047
摘要： In one embodiment, the method of the invention monitors one or more of the following conditions: a relatively low temperature value of the gas stream; a relatively high temperature value of the gas stream; and a rate-of-change of monitored temperature. In a preferred embodiment, the rate of temperature change is monitored to prevent the occurrence of an unacceptably high or low temperature condition. Here, at least two temperatures of the recirculating gas stream are monitored over a period of time. The rate-of-change of temperature versus time is determined. Then the monitored rate-of-change of temperature is compared to a preselected rate-of-change of value. The monitoring of rate-of-change of temperature provides proactive means for preventing occurrence of an unacceptably high temperature in the catalytic reactor.
摘要翻译： 在一个实施方案中，本发明的方法监测以下条件中的一个或多个：气流的相对低的温度值; 气流的相对较高的温度值; 和监测温度的变化率。 在优选实施例中，监测温度变化的速率以防止出现不可接受的高温或低温条件。 这里，在一段时间内监测再循环气流的至少两个温度。 确定温度对时间的变化率。 然后将监测的温度变化率与预选的变化率进行比较。 对温度变化率的监测为催化反应器中防止发生不可接受的高温提供了积极的手段。
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公开(公告)号：US06790548B2
公开(公告)日：2004-09-14
申请号：US10115643
申请日：2002-04-03
IPC分类号： H01M812
CPC分类号： H01M8/04761 , H01M8/04022 , H01M8/04223 , H01M8/04231 , H01M8/04303 , H01M8/04425 , H01M8/04753 , H01M8/04776 , H01M8/04955 , H01M8/24 , H01M8/241 , H01M8/2457 , H01M2250/20 , Y02T90/32
摘要： A venting methodology and system for rapid shutdown of a fuel cell apparatus of the type used in a vehicle propulsion system. H2 and air flows to the fuel cell stack are slowly bypassed to the combustor upon receipt of a rapid shutdown command. The bypass occurs over a period of time (for example one to five seconds) using conveniently-sized bypass valves. Upon receipt of the rapid shutdown command, the anode inlet of the fuel cell stack is instantaneously vented to a remote vent to remove all H2 from the stack. Airflow to the cathode inlet of the fuel cell stack gradually diminishes over the bypass period, and when the airflow bypass is complete the cathode inlet is also instantaneously vented to a remote vent to eliminate pressure differentials across the stack.
摘要翻译： 用于车辆推进系统中使用的类型的燃料电池装置的快速关闭的通风方法和系统。 当接收到快速关闭命令时，H 2和流向燃料电池堆的空气被缓慢地旁路到燃烧器。 旁路在一段时间内（例如一到五秒钟）使用方便大小的旁通阀。 在接收到快速关闭命令之后，燃料电池堆的阳极入口立即排放到远处的排气口以从堆叠中移除所有的H 2。 燃料电池堆的阴极入口的气流在旁路周期内逐渐减小，当气流旁路完成时，阴极入口也瞬间排放到远程排气口，以消除整个堆叠的压力差。
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公开(公告)号：US06692851B2
公开(公告)日：2004-02-17
申请号：US10011097
申请日：2001-12-06
IPC分类号： H01M800
CPC分类号： H01M8/04559 , B60L11/1881 , B60L11/1894 , H01M8/04223 , H01M8/04365 , H01M8/04567 , H01M8/04589 , H01M8/04597 , H01M8/04679 , H01M8/04955 , H01M8/04992 , H01M8/0612 , H01M16/006 , Y02T90/34
摘要： A control method for monitoring a fuel cell stack in a fuel cell system in which the actual voltage and actual current from the fuel cell stack are monitored. A preestablished relationship between voltage and current over the operating range of the fuel cell is established. A variance value between the actual measured voltage and the expected voltage magnitude for a given actual measured current is calculated and compared with a predetermined allowable variance. An output is generated if the calculated variance value exceeds the predetermined variance. The predetermined voltage-current for the fuel cell is symbolized as a polarization curve at given operating conditions of the fuel cell.
摘要翻译： 一种用于监测燃料电池系统中的燃料电池堆的控制方法，其中监测来自燃料电池堆的实际电压和实际电流。 建立了在燃料电池工作范围内的电压和电流之间的预先建立的关系。 计算给定实际测量电流的实际测量电压和预期电压幅度之间的方差值，并与预定的允许方差进行比较。 如果计算的方差值超过预定方差，则产生输出。 在燃料电池的给定操作条件下，燃料电池的预定电压电流被表示为极化曲线。
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