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1.发明公开公开(公告)号：US20230187663A1
公开(公告)日：2023-06-15
申请号：US18063498
申请日：2022-12-08
IPC分类号： H01M8/04111 , H01M8/04014 , H01M8/0432 , H01M8/04746
CPC分类号： H01M8/04111 , H01M8/04014 , H01M8/04358 , H01M8/04768 , H01M2250/20
摘要： The present disclosure generally relates to systems and methods in a vehicle or powertrain system including an air stream flowing through an air compressor and an air cooler into a fuel cell stack, an air stream flowing out of the fuel cell stack to an ambient through a backpressure valve, one or more sensors for measuring pressure or temperature in the first air stream or second air stream, and a controller controlling the flow of the first air stream, the flow of the scond air stream and the opening of the backpressure valve.
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公开(公告)号：US20230170502A1
公开(公告)日：2023-06-01
申请号：US18056366
申请日：2022-11-17
IPC分类号： H01M8/04119 , H01M8/04223 , H01M8/04828 , H01M8/04746 , H01M8/04492 , H01M8/04537 , G05D7/06 , G05D9/12
CPC分类号： H01M8/04179 , H01M8/04231 , H01M8/04843 , H01M8/04761 , H01M8/04514 , H01M8/04559 , G05D7/0623 , G05D9/12
摘要： The present disclosure generally relates to systems and methods for purging water or gas from a fuel cell system. The fuel cell system may include a multi-phase valve system and/or a separate valve system. The opening and closing of the valve systems for removing gas and water is controlled by a controller,
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公开(公告)号：US20230327154A1
公开(公告)日：2023-10-12
申请号：US18189450
申请日：2023-03-24
发明人： Richard J. ANCIMER , Paolo FORTE , Justin Roberto RIZZI , Prabhsimran MALHI , Sumit TRIPATHI , Eero TEENE , Ashok KUMAR
IPC分类号： H01M8/04664 , H01M8/04537
CPC分类号： H01M8/04679 , H01M8/04559
摘要： The present disclosure generally relates to systems and methods for assessing the health of a fuel cell stack including collecting fuel cell stack operating data by a controller including stack voltage data and cell voltage monitoring data and determining the trust in the collected data, processing stack voltage data and cell voltage monitoring data by the controller to identify bad channels and weak cells amongst fuel cells included in the fuel cell stack, tracking the state of health of the fuel cell stack by the controller, and assessing the health of the fuel cell stack by the controller.
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4.发明公开公开(公告)号：US20230182585A1
公开(公告)日：2023-06-15
申请号：US17549490
申请日：2021-12-13
发明人： Archit N. KOTI , Patrick KAUFMAN , Elizabeth WEITZEL , Vivek Anand SUJAN , Martin T. BOOKS , Chinmay RAO , Yongfei YU , Sharon LIU , Sumit TRIPATHI , David P. Genter , Agneya TURLAPATI , Rohit SAHA , Jifei YAN
CPC分类号： B60L50/75 , H01M16/006 , H01M8/0494 , H01M10/425 , B60L58/16 , B60L58/30 , H01M2010/4271
摘要： The present disclosure generally relates to systems and methods for implementing power a power split between a first and a second power source in a fuel cell powertrain system. The method includes receiving an input into a processor of the fuel cell powertrain system, determining an output by the processor, communicating the output by the processor to a system controller and determining a power split by the system controller. The first power source includes a fuel cell system and the second power source is selected from a battery system or an engine, and the input includes a life or health of at least one of the first power source or the second power source.
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公开(公告)号：US20240194904A1
公开(公告)日：2024-06-13
申请号：US18526962
申请日：2023-12-01
IPC分类号： H01M8/04014 , H01M8/04223 , H01M8/0432 , H01M8/04746
CPC分类号： H01M8/04014 , H01M8/04253 , H01M8/04358 , H01M8/04776
摘要： The present disclosure generally relates to systems and methods for operating a fuel cell system, including a coolant stream flowing through a fuel cell stack, a compressor configured to flow in a first air stream comprising a first air temperature and flow out a second air stream comprising a second air temperature, a charge cooler comprising the coolant stream configured to flow in the second air stream comprising the second air temperature, further configured to decrease the second air temperature, and flow out a third air stream comprising a third air temperature, along with a controller configured to regulate operation of the fuel cell system, including the fuel cell stack, the compressor, and the charge cooler.
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公开(公告)号：US20230290979A1
公开(公告)日：2023-09-14
申请号：US17957368
申请日：2022-09-30
发明人： Salvatore RANIERI , Eero TEENE , Paolo FORTE , Justin RIZZI , Prabhsimran MALHI , Richard Ancimer , Sumit TRIPATHI , Sonia Sorbera
IPC分类号： H01M8/04955 , H01M8/04228 , H01M8/04111 , H01M8/04089 , H01M8/04746 , H01M8/0438
CPC分类号： H01M8/04955 , H01M8/04228 , H01M8/04111 , H01M8/04097 , H01M8/04753 , H01M8/04761 , H01M8/04388 , H01M8/04395 , H01M2250/10 , H01M2250/20
摘要： The present disclosure generally relates to systems and methods for operating a shutdown process in a fuel cell system including connecting a passive electrical load to a fuel cell stack in the fuel cell system before initiating the shutdown process, disconnecting a DC-DC converter by a system controller, initiating nitrogen blanketing after a current passing through the DC-DC converter is reduced to about zero, ensuring water content in the fuel cell stack is about zero, and sending a signal to the system controller to initiate the shutdown process.
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公开(公告)号：US20230085312A1
公开(公告)日：2023-03-16
申请号：US17898188
申请日：2022-08-29
IPC分类号： H01M8/04746 , H01M8/0438 , H01M8/0432 , H01M8/247
摘要： The present disclosure generally relates to systems and methods for determining, managing, and/or controlling excess hydrogen flow in a system comprising a fuel cell or fuel cell stack.
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公开(公告)号：US20240128482A1
公开(公告)日：2024-04-18
申请号：US18390113
申请日：2023-12-20
IPC分类号： H01M8/04089 , B01F23/10 , B01F25/312 , H01M8/04119 , H01M8/04746
CPC分类号： H01M8/04097 , B01F23/10 , B01F25/31251 , B01F25/31252 , B01F25/312533 , H01M8/04179 , H01M8/04753 , B01F2101/59
摘要： The present disclosure is generally directed to a design geometry of a venturi or an ejector that is optimized in systems and methods for increasing the operating range of the venturi or the ejector in a fuel cell system. The present disclosure is also generally directed to fuel cell systems and methods for sizing and/or integrating a recirculation blower with a venturi or an ejector in a fuel cell or fuel cell stack. The present disclosure is further generally directed to systems and methods of operating a fuel cell system comprising more than one venturi or ejectors during transient operations.
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9.发明公开公开(公告)号：US20230302922A1
公开(公告)日：2023-09-28
申请号：US18189851
申请日：2023-03-24
发明人： Agneya TURLAPATI , Akshat Abhay RAUT , Arka Saha RAY , Anant PURI , David P. GENTER , Aaron William BEINBORN , Joseph P. CHANDRARAJ , Sumit TRIPATHI , Heonjoong LEE
IPC分类号： B60L50/75 , G01R31/382 , G01R31/392 , H01M8/04858 , H01M8/04537
CPC分类号： B60L50/75 , G01R31/382 , G01R31/392 , H01M8/0491 , H01M8/04656 , H01M2250/20
摘要： A system for a fuel cell vehicle including a plurality of fuel cell modules, a plurality of battery packs, and a controller. At least one of the plurality of fuel cell modules having a state of health (SOH) different from a corresponding SOH of other fuel cell modules. Each battery pack including a plurality of battery cells. At least one of the plurality of battery packs having a SOH different from a corresponding SOH of other battery packs. The controller is communicatively coupled to monitor and control operation of the plurality of fuel cell modules and the plurality of battery packs. The controller is configured to receive a power demand and determine a power split between the plurality of fuel cell modules and the plurality of battery packs based on an operating phase of the vehicle.
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10.发明申请公开(公告)号：US20230077327A1
公开(公告)日：2023-03-16
申请号：US17898070
申请日：2022-08-29
发明人： Richard J. ANCIMER , Paolo FORTE , Sumit TRIPATHI
IPC分类号： H01M8/04746 , H01M8/0438 , H01M8/0432 , H01M8/04089
摘要： The present disclosure generally relates to systems and methods for determining, managing, and/or controlling excess hydrogen flow in a system comprising a fuel cell or fuel cell stack and ejector based on the internal state of the ejector.
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