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公开(公告)号：US20140065505A1
公开(公告)日：2014-03-06
申请号：US13261768
申请日：2011-05-04
Applicant: Kazuo Saito , Sitaram Ramaswamy , Masaki M. Yokose , Richard R. Phillips , Michael L. Perry , Catherine M. Goodrich
Inventor： Kazuo Saito , Sitaram Ramaswamy , Masaki M. Yokose , Richard R. Phillips , Michael L. Perry , Catherine M. Goodrich
IPC: H01M8/04
CPC classification number: H01M8/04059 , F28D15/0266 , F28F1/32 , F28F3/025 , F28F17/005 , F28F2245/02 , H01M8/04164
Abstract: Cathode exhaust of an evaporatively cooled fuel cell stack (50) is condensed in a heat exchanger (12a, 23, 23a) having extended fins (14, 25a) or tubes (24, 24a) to prevent pooling of condensate, and/or having the entire exit surface of the condenser rendered hydrophilic with wicking (32) to conduct water away. The cathode exhaust flow paths may be vertical or horizontal, they may be partly or totally rendered hydrophilic, and if so, in liquid communication with hydrophilic end surfaces of the condenser, and the condensers (49) may be tilted away from a normal orientation with respect to earth's gravity.
Abstract translation: 蒸发冷却的燃料电池堆（50）的阴极排气在具有延伸翅片（14,25a）或管（24,24）的热交换器（12a，23,23a）中冷凝，以防止冷凝物的汇集和/或具有 冷凝器的整个出口表面具有吸湿（32）的亲水性，以将水导出。 阴极排气流路可以是垂直的或水平的，它们可以部分地或完全地变成亲水的，如果是，则与冷凝器的亲水端面液体连通，并且冷凝器（49）可以从正常方向倾斜离开， 尊重地球的重力。
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公开(公告)号：US08652695B2
公开(公告)日：2014-02-18
申请号：US13258755
申请日：2009-04-13
Applicant: Kazuo Saito , John W. Kowalski , Bryan F. Dufner , Sitaram Ramaswamy
Inventor： Kazuo Saito , John W. Kowalski , Bryan F. Dufner , Sitaram Ramaswamy
CPC classification number: F28F1/32 , F28B1/02 , F28B9/08 , F28D2021/0043 , F28F19/02 , H01M8/04029 , H01M8/086
Abstract: A fuel cell system is disclosed that includes a heat exchanger having first and second heat exchanger portions arranged in a fluid flow passage. The second heat exchanger portion is arranged downstream from the first heat exchanger portion. The first and second heat exchanger portions include a coolant flow passage and are configured to transfer heat between the fluid flow and coolant flow passages. The first heat exchanger portion includes a first corrosion-resistant material and the second heat exchanger portion includes a second corrosion-resistant material that is less corrosion-resistant than the first corrosion-resistant material. A collector, which includes a tray and/or a mist trap, is configured to collect acid in the first heat exchanger portion from a gas stream in the fluid flow passage. Collected acid can be sprayed into a gas stream upstream from a flow field of the fuel cell.
Abstract translation: 公开了一种燃料电池系统，其包括具有布置在流体流动通道中的第一和第二热交换器部分的热交换器。 第二热交换器部分布置在第一热交换器部分的下游。 第一和第二热交换器部分包括冷却剂流动通道，并且构造成在流体流动与冷却剂流动通道之间传递热量。 第一热交换器部分包括第一耐腐蚀材料，第二热交换器部分包括耐腐蚀性低于第一耐腐蚀材料的第二耐腐蚀材料。 包括托盘和/或雾气收集器的收集器构造成从流体流动通道中的气流收集第一热交换器部分中的酸。 收集的酸可以喷射到燃料电池的流场上游的气流中。
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公开(公告)号：US20100261077A1
公开(公告)日：2010-10-14
申请号：US12746797
申请日：2007-12-21
Applicant: Sitaram Ramaswamy , Kazuo Saito
Inventor： Sitaram Ramaswamy , Kazuo Saito
IPC: H01M8/04
CPC classification number: H01M8/04268 , H01M8/04037 , H01M8/04253 , H01M8/04373 , H01M8/04738 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: An example fuel cell component includes an energizeable coating on at least a portion of a surface of the fuel cell component. A controller is configured to energize the energizeable coating to break a bond between any ice and the surface of the fuel cell component.
Abstract translation: 示例性燃料电池部件包括在燃料电池部件的表面的至少一部分上的可通电涂层。 控制器被配置为激励可激励涂层以破坏任何冰和燃料电池组件的表面之间的结合。
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公开(公告)号：US20120021310A1
公开(公告)日：2012-01-26
申请号：US13258755
申请日：2009-04-13
Applicant: Kazuo Saito , John W. Kowalski , Bryan F. Dufner , Sitaram Ramaswamy
Inventor： Kazuo Saito , John W. Kowalski , Bryan F. Dufner , Sitaram Ramaswamy
CPC classification number: F28F1/32 , F28B1/02 , F28B9/08 , F28D2021/0043 , F28F19/02 , H01M8/04029 , H01M8/086
Abstract: A fuel cell system is disclosed that includes a heat exchanger having first and second heat exchanger portions arranged in a fluid flow passage. The second heat exchanger portion is arranged downstream from the first heat exchanger portion. The first and second heat exchanger portions include a coolant flow passage and are configured to transfer heat between the fluid flow and coolant flow passages. The first heat exchanger portion includes a first corrosion-resistant material and the second heat exchanger portion includes a second corrosion-resistant material that is less corrosion-resistant than the first corrosion-resistant material. A collector, which includes a tray and/or a mist trap, is configured to collect acid in the first heat exchanger portion from a gas stream in the fluid flow passage. Collected acid can be sprayed into a gas stream upstream from a flow field of the fuel cell.
Abstract translation: 公开了一种燃料电池系统，其包括具有布置在流体流动通道中的第一和第二热交换器部分的热交换器。 第二热交换器部分布置在第一热交换器部分的下游。 第一和第二热交换器部分包括冷却剂流动通道，并且构造成在流体流动与冷却剂流动通道之间传递热量。 第一热交换器部分包括第一耐腐蚀材料，第二热交换器部分包括耐腐蚀性低于第一耐腐蚀材料的第二耐腐蚀材料。 包括托盘和/或雾气收集器的收集器构造成从流体流动通道中的气流收集第一热交换器部分中的酸。 收集的酸可以喷射到燃料电池的流场上游的气流中。
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公开(公告)号：US09634337B2
公开(公告)日：2017-04-25
申请号：US13261768
申请日：2011-05-04
Applicant: Kazuo Saito , Sitaram Ramaswamy , Masaki M. Yokose , Richard R. Phillips , Michael L. Perry , Catherine M. Goodrich
Inventor： Kazuo Saito , Sitaram Ramaswamy , Masaki M. Yokose , Richard R. Phillips , Michael L. Perry , Catherine M. Goodrich
IPC: H01M8/04 , H01M8/04007 , H01M8/04119 , F28F3/02 , F28D15/02 , F28F1/32 , F28F17/00
CPC classification number: H01M8/04059 , F28D15/0266 , F28F1/32 , F28F3/025 , F28F17/005 , F28F2245/02 , H01M8/04164
Abstract: Cathode exhaust of an evaporatively cooled fuel cell stack (50) is condensed in a heat exchanger (12a, 23, 23a) having extended fins (14, 25a) or tubes (24, 24a) to prevent pooling of condensate, and/or having the entire exit surface of the condenser rendered hydrophilic with wicking (32) to conduct water away. The cathode exhaust flow paths may be vertical or horizontal, they may be partly or totally rendered hydrophilic, and if so, in liquid communication with hydrophilic end surfaces of the condenser, and the condensers (49) may be tilted away from a normal orientation with respect to earth's gravity.
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Patent Agency Ranking
公开(公告)号：US08486573B2
公开(公告)日：2013-07-16
申请号：US12746797
申请日：2007-12-21
Applicant: Sitaram Ramaswamy , Kazuo Saito
Inventor： Sitaram Ramaswamy , Kazuo Saito
IPC: H01M8/00
CPC classification number: H01M8/04268 , H01M8/04037 , H01M8/04253 , H01M8/04373 , H01M8/04738 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: An example fuel cell component includes an energizeable coating on at least a portion of a surface of the fuel cell component. A controller is configured to energize the energizeable coating to break a bond between any ice and the surface of the fuel cell component.
Abstract translation: 示例性燃料电池部件包括在燃料电池部件的表面的至少一部分上的可通电涂层。 控制器被配置为激励可激励涂层以破坏任何冰和燃料电池组件的表面之间的结合。
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公开(公告)号：US20120021306A1
公开(公告)日：2012-01-26
申请号：US13259235
申请日：2009-04-08
Applicant: Joshua D. Isom , Kazuo Saito , John W. Kowalski , Bryan F. Dufner , Sitaram Ramaswamy , Ricardo O. Brown
Inventor： Joshua D. Isom , Kazuo Saito , John W. Kowalski , Bryan F. Dufner , Sitaram Ramaswamy , Ricardo O. Brown
CPC classification number: F28D7/1615 , F28D7/0091 , F28F2215/04 , H01M8/04007 , H01M8/04074 , H01M8/04164 , H01M8/086
Abstract: A heat exchanger for a fuel cell includes first and second heat exchanger portions that provide a fluid flow passage. The second heat exchanger portion is arranged downstream from the first heat exchanger portion. The first and second heat exchanger portions include a coolant flow passage, which is provided by tubes in one example. The first and second heat exchanger portions are configured to transfer heat between the fluid flow and coolant flow passages. The first heat exchanger portion is configured to provide a first heat transfer rate capacity. The second heat exchanger portion includes a second heat transfer rate capacity that is greater than the first heat transfer rate capacity. In one example, the first heat exchanger portion includes tubes and does not include any fins, and the second heat exchanger includes spaced apart fins supporting the tubes.
Abstract translation: 一种用于燃料电池的热交换器包括提供流体流动通道的第一和第二热交换器部分。 第二热交换器部分布置在第一热交换器部分的下游。 第一和第二热交换器部分包括在一个示例中由管提供的冷却剂流动通道。 第一和第二热交换器部分构造成在流体流动和冷却剂流动通道之间传递热量。 第一热交换器部分被配置成提供第一传热速率容量。 第二热交换器部分包括大于第一传热速率容量的第二传热速率容量。 在一个示例中，第一热交换器部分包括管并且不包括任何翅片，并且第二热交换器包括支撑管的间隔开的翅片。
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公开(公告)号：US09509002B2
公开(公告)日：2016-11-29
申请号：US13261523
申请日：2010-05-20
Applicant: Venkateshwarlu Yadha , Matthew P. Wilson , Matthew I. Riley , Sitaram Ramaswamy
Inventor： Venkateshwarlu Yadha , Matthew P. Wilson , Matthew I. Riley , Sitaram Ramaswamy
CPC classification number: H01M8/04298 , B60L11/1885 , H01M8/04201 , H01M8/04223 , H01M8/04225 , H01M8/04228 , H01M2250/20 , Y02E60/50 , Y02T90/32 , Y02T90/34
Abstract: A fuel cell power plant keeps track, such as with a fuel-off timer (41), of the extent to which shutdown of the fuel cell power plant has occurred, in case the fuel cell power plant is quickly commanded to resume full operation. In one embodiment, if the fuel-off timer has not timed out at the time that the fuel cell power plant is ordered to resume full operation, a fuel-on timer is set (51) equal to the value of the fuel-off timer when the fuel cell power plant is ordered to resume full operation. Then, the fuel cell power plant is refueled (22), in a duration of time related to the setting of the fuel-off timer, rather than doing a full fuel purge.
Abstract translation: 在燃料电池发电厂被快速命令恢复完全运行的情况下，燃料电池发电厂跟踪燃料电池发电厂关闭的程度，例如燃料灭火定时器（41）。 在一个实施例中，如果在燃料电池发电厂被命令恢复全部运行时燃料关闭定时器没有超时，则将燃料启动定时器设置为等于燃料消耗定时器的值 当燃料电池发电厂被命令恢复全面运行时。 然后，燃料电池发电厂在与燃油定时器的设定有关的时间内加油（22），而不是进行全燃料净化。
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公开(公告)号：US20130197729A1
公开(公告)日：2013-08-01
申请号：US13261615
申请日：2010-09-15
Applicant: Sitaram Ramaswamy , Venkateshwarlu Yadha , Matthew P. Wilson
Inventor： Sitaram Ramaswamy , Venkateshwarlu Yadha , Matthew P. Wilson
IPC: B60L11/18
CPC classification number: B60L11/1883 , B60L3/0053 , B60L11/1881 , B60L11/1887 , B60L11/1888 , B60L2240/12 , B60L2240/80 , B60L2260/22 , H01M8/04223 , H01M8/04225 , H01M8/04228 , H01M8/04303 , H01M8/04619 , H01M8/04753 , H01M8/0488 , H01M8/04955 , H01M10/44 , H01M10/46 , H01M16/006 , H01M2220/20 , H01M2250/20 , Y02E60/50 , Y02T10/92 , Y02T90/32 , Y02T90/34
Abstract: The performance of a fuel cell power plant that decays, in an electric vehicle which makes frequent starts, is recovered by partially shutting down (65-67) the power plant. Recovery is enabled by a recovery enable flag (25) upon conditions such as vehicle using (22) low or no power (16), vehicle speed at or near zero (22), electric storage SOC above a threshold (23), and no recovery (19) during the last half-hour (or other duration). The recovery restart resets a timer (79) to ensure (19) that recovery is not attempted too often. The power plant then remains in a recovery stand-by mode (72) until a recovery restart flag (35) is set to 1 (74). The restart causes start-up of the fuel cell power plant (50, 52, 55), reaching an operational mode (57).
Abstract translation: 通过部分关闭（65-67）发电厂，恢复在频繁启动的电动车辆中衰减的燃料电池发电厂的性能。 在诸如车辆使用（22）低或无功率（16），车速等于或接近零（22），高于阈值（23）的电存储器SOC的条件下，恢复使能标志（25） 在最后半小时（或其他持续时间）内恢复（19）。 恢复重启将重置定时器（79）以确保（19）不会太频繁地尝试恢复。 然后发电厂保持恢复待机模式（72），直到恢复重启标志（35）设置为1（74）。 重新启动使得燃料电池发电厂（50,52,55）的启动达到操作模式（57）。
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公开(公告)号：US20110185733A1
公开(公告)日：2011-08-04
申请号：US12696363
申请日：2010-01-29
Applicant: Sitaram Ramaswamy , Sean P. Breen
Inventor： Sitaram Ramaswamy , Sean P. Breen
Abstract: Embodiments of an ORC system can be configured to reduce ingress of contaminants from the ambient environment. In one embodiment, the ORC system can comprise a pressure equilibrating unit that comprises a variable volume device for holding a working fluid. The variable volume device can be fluidly coupled to a condenser so that working fluid can move amongst the condenser and the variable volume device. This movement can occur in response to changes in the pressure of the working fluid in the ORC system, and in one example the working fluid is allowed to move when the pressure deviates from atmospheric pressure.
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