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1. 发明授权

US12040514B2 Flushing system and method for monitoring same 有权
公开(公告)号：US12040514B2
公开(公告)日：2024-07-16
申请号：US17416632
申请日：2019-12-18
申请人： HPS Home Power Solutions AG
发明人： Andreas Hierl , Jonas Schulte , Hendrik Leverenz , Renaldo Schönfeldt
IPC分类号： H01M8/04223 , C25B1/04 , C25B15/02 , H01M8/04119 , H01M8/0438
CPC分类号： H01M8/04231 , C25B1/04 , C25B15/02 , H01M8/04179 , H01M8/04425 , H01M2250/10
摘要： The present invention relates, amongst other things, to a flushing system (40) for flushing an energy source device (15) and/or an energy sink device (16) of an energy system (10), the flushing system comprising: a flushing device (41) having a storage chamber (45), which on the input side is fluidically connected to a first line portion (46), which is formed as a flushing line starting from the energy source device (15), and/or to a second line portion (47), which is formed as a flushing line starting from the energy sink device (16); a first monitoring device (50) for monitoring the state of the storage chamber (45), the first monitoring device (50) comprising at least one sensor device (50a) associated with the storage chamber (45) for monitoring the fill level of the storage chamber (45); and also optionally a compensation container device (54) fluidically connected to the storage chamber (45). In order to further advantageously modify the flushing system (40) by simple structural and economical measures so that the flushing system can be monitored in a safety-related manner, the flushing system (40) comprises a safety control device (53); the sensor device (50a) for monitoring the fill level of the storage chamber (45) is connected to the safety control device (53) via an interface (80, 81) associated with the storage chamber; and the flushing system (40) optionally has at least one further monitoring device (66, 70) for monitoring the state of the compensation container device (54) and/or for monitoring valve devices (48, 49, 57, 59) which is/are connected to the safety control device (53) via interfaces associated with the compensation container device and/or valve devices.

2. 发明授权

US12021278B2 Fuel cell with protection from pressure imbalance 有权
公开(公告)号：US12021278B2
公开(公告)日：2024-06-25
申请号：US18333996
申请日：2023-06-13
申请人： FuelCell Energy, Inc.
发明人： Joseph M. Daly , Jeffrey Brown , Matthew Crowley , Robert S. Fournier , William J. Snyder , Fred C. Jahnke
IPC分类号： H01M8/04089 , H01M8/04007 , H01M8/04119 , H01M8/0432 , H01M8/0438 , H01M8/04746 , H01M8/0662 , H01M8/0668
CPC分类号： H01M8/04104 , H01M8/04067 , H01M8/04156 , H01M8/04343 , H01M8/04388 , H01M8/04402 , H01M8/04432 , H01M8/04761 , H01M8/04783 , H01M8/0668 , H01M8/04097 , H01M8/04164 , H01M8/04179 , H01M8/04753 , H01M8/0662
摘要： A fuel cell system includes a fuel cell. The fuel cell includes an anode having an anode inlet configured to receive anode feed gas, and an anode outlet configured to output anode exhaust. The fuel cell further includes a cathode having a cathode inlet and a cathode outlet. The fuel cell system further includes an anode blower configured to receive the anode exhaust and output a higher-pressure anode exhaust. The fuel cell system further includes an anode blower recycle line configured to receive a portion of the higher-pressure anode exhaust downstream from the anode blower and to output the portion of the higher-pressure anode exhaust upstream from the anode blower. The fuel cell system further includes a first valve disposed in the blower recycle line, the first valve configured to open when the anode of the fuel cell is under-pressurized.

3. 发明公开

US20240088411A1 CONDENSATE WATER DRAIN CONTROL SYSTEM AND METHOD FOR FUEL CELLS 审中-公开
公开(公告)号：US20240088411A1
公开(公告)日：2024-03-14
申请号：US18450724
申请日：2023-08-16
申请人： Hyundai Motor Company , Kia Corporation
发明人： Joon Yong Lee , Dong Hun Lee , Soon Woo Kwon , Sung Gone Yoon
IPC分类号： H01M8/04119 , H01M8/04082 , H01M8/04746 , H01M8/04858
CPC分类号： H01M8/04164 , H01M8/04179 , H01M8/04201 , H01M8/04753 , H01M8/0494 , H01M8/04947 , H01M2250/20
摘要： A condensate water drain control system for fuel cells includes a fuel cell stack configured to generate electric power through chemical reaction, a fuel supply line configured to recirculate fuel discharged from the fuel cell stack together with fuel introduced from a fuel supply valve, a water trap located in the fuel supply line, the water trap being configured to collect condensate water discharged from the fuel cell stack, a drain valve configured to discharge the condensate water stored in the water trap to the outside when opened, and a drain controller configured to determine whether the fuel supply valve is controlled such that pressure in the fuel supply line is maintained before the drain valve is opened and to sense discharge of fuel from the fuel supply line through the drain valve upon determining that the pressure is maintained.

4. 发明公开

US20240047786A1 MOISTURE AND CARBON DIOXIDE MANAGEMENT SYSTEM IN ELECTROCHEMICAL CELLS 审中-公开
公开(公告)号：US20240047786A1
公开(公告)日：2024-02-08
申请号：US18298009
申请日：2023-04-10
申请人： FORM ENERGY, INC.
发明人： Ramkumar KRISHNAN , Joel HAYES , Shawn FINK , Scott KLUG , Patrick SAMUELSON
IPC分类号： H01M12/02 , H01M12/08 , H01M12/06 , H01M8/04119 , H01M8/04014 , H01M8/04007 , H01M4/38 , H01M8/04089 , H01M8/0668
CPC分类号： H01M12/02 , H01M12/08 , H01M12/06 , H01M8/04149 , H01M8/04014 , H01M8/04037 , H01M8/04141 , H01M4/38 , H01M8/04179 , H01M8/04097 , H01M8/04104 , H01M8/0668 , Y02E60/10
摘要： An electrochemical cell utilizes an air flow device that draws air through the cell from a scrubber that may be removed while the system is operating. The negative pressure generated by the air flow device allows ambient air to enter the cell housing when the scrubber is removed, thereby enabling continued operation without the scrubber. A moisture management system passes outflow air from the cell through a humidity exchange module that transfers moisture to the air inflow, thereby increasing the humidity of the air inflow. A recirculation feature comprising a valve allow a controller to recirculate at least a portion of the outflow air back into the inflow air. The system may comprise an inflow bypass conduit and valve that allows the humidified inflow air to pass into the cell inlet without passing through the scrubber. The scrubber may contain reversible or irreversible scrubber media.

5. 发明授权

US11888187B2 Operation of molten carbonate fuel cells with enhanced CO 有权
公开(公告)号：US11888187B2
公开(公告)日：2024-01-30
申请号：US16695281
申请日：2019-11-26
申请人： ExxonMobil Technology and Engineering Company , FUELCELL ENERGY, INC.
发明人： Abdelkader Hilmi , Timothy A. Barckholtz , Jonathan Rosen , Heather A. Elsen , Gabor Kiss , Carl A. Willman , Chao-Yi Yuh , Hossein Ghezel-Ayagh , Timothy C. Geary
IPC分类号： H01M8/04119 , H01M8/04746 , H01M8/14 , H01M8/0444 , H01M8/0438 , H01M8/04791
CPC分类号： H01M8/04179 , H01M8/04753 , H01M8/145 , H01M8/0441 , H01M8/04388 , H01M8/04395 , H01M8/04402 , H01M8/04447 , H01M8/04455 , H01M8/04462 , H01M8/04477 , H01M8/04761 , H01M8/04798 , H01M8/04805 , H01M2008/147 , H01M2300/0051
摘要： Molten carbonate fuel cells (MCFCs) are operated to provide enhanced CO2 utilization. This can increase the effective amount of carbonate ion transport that is achieved. The enhanced CO2 utilization is enabled in part by operating an MCFC under conditions that cause transport of alternative ions across the electrolyte. The amount of alternative ion transport that occurs during enhanced CO2 utilization can be mitigated by using a more acidic electrolyte.

6. 发明公开

US20230411654A1 FUEL CELL PURGE SYSTEM BASED ON TILT LOCATION 审中-公开
公开(公告)号：US20230411654A1
公开(公告)日：2023-12-21
申请号：US18330023
申请日：2023-06-06
申请人： HYDROGENICS CORPORATION
发明人： Prabhsimran MALHI , Sonia SORBERA
IPC分类号： H01M8/04313 , H01M8/04119 , H01M8/04992
CPC分类号： H01M8/04313 , H01M8/04179 , H01M8/04992 , H01M2008/1095
摘要： The present disclosure generally relates to systems and methods for purging water from a fuel cell stack system depending on its tilt angle and tilt location. The fuel cell stack system includes a fuel cell stack with a first corner, a second corner, a third corner and a fourth corner, a tilt sensor located on the fuel cell stack, wherein the tilt sensor is operable to detect tilt location of the fuel cell stack, and wherein the tilt location is the first, second, third or fourth corner of the fuel cell stack, a first purge valve system and a second purge valve system for removing water from an anode exhaust, and a controller.

7. 发明授权

US11799102B2 Fuel cell system and control method of the same 有权
公开(公告)号：US11799102B2
公开(公告)日：2023-10-24
申请号：US17182297
申请日：2021-02-23
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Masashi Toida , Yusuke Nishida , Hiroyuki Tsunekawa , Masahiro Ito
IPC分类号： H01M8/04223 , H01M8/04119 , H01M8/0432 , H01M8/04029 , H01M8/043 , H01M8/04694 , H01M8/04228 , H01M8/04955
CPC分类号： H01M8/04231 , H01M8/043 , H01M8/04029 , H01M8/0432 , H01M8/04179 , H01M8/04358 , H01M8/04694 , H01M8/04156 , H01M8/04228 , H01M8/04955 , H01M2250/20
摘要： A fuel cell system includes: a fuel cell; a temperature acquisition unit that acquires a temperature at a specific position in a vehicle equipped with the fuel cell system; a purge unit that purges the fuel cell when an operation of the fuel cell is stopped; and a control unit that acquires the temperature at the specific position from the temperature acquisition unit at least once from when the fuel cell system is stopped until the fuel cell system is started again, and uses the temperature at the specific position to determine whether purging at a stop by the purge unit is necessary when the fuel cell system is stopped next.

8. 发明申请

US20190245253A1 MOISTURE AND CARBON DIOXIDE MANAGEMENT SYSTEM IN ELECTROCHEMICAL CELLS 审中-公开
公开(公告)号：US20190245253A1
公开(公告)日：2019-08-08
申请号：US16318513
申请日：2017-07-24
申请人： NANTENERGY, INC.
发明人： Ramkumar KRISHNAN , Joel HAYES , Shawn FINK , Scott KLUG , Patrick SAMUELSON
IPC分类号： H01M12/02 , H01M12/08
CPC分类号： H01M12/02 , H01M4/38 , H01M8/04014 , H01M8/04037 , H01M8/04097 , H01M8/04104 , H01M8/04141 , H01M8/04149 , H01M8/04179 , H01M8/0668 , H01M12/06 , H01M12/08 , Y02E60/128
摘要： An electrochemical cell utilizes an air flow device that draws air through the cell from a scrubber that may be removed while the system is operating. The negative pressure generated by the air flow device allows ambient air to enter the cell housing when the scrubber is removed, thereby enabling continued operation without the scrubber. A moisture management system passes outflow air from the cell through a humidity exchange module that transfers moisture to the air inflow, thereby increasing the humidity of the air inflow. A recirculation feature comprising a valve allow a controller to recirculate at least a portion of the outflow air back into the inflow air. The system may comprise an inflow bypass conduit and valve that allows the humidified inflow air to pass into the cell inlet without passing through the scrubber. The scrubber may contain reversible or irreversible scrubber media.

9. 发明申请

US20180366746A1 FUEL CELL VEHICLE 审中-公开
公开(公告)号：US20180366746A1
公开(公告)日：2018-12-20
申请号：US16003482
申请日：2018-06-08
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Shigeaki MURATA , Takanori OTSURA
IPC分类号： H01M8/04119 , H01M8/04082 , B60L11/18
CPC分类号： H01M8/04156 , B60L50/71 , B60L50/72 , H01M8/04179 , H01M8/04201 , H01M2250/20
摘要： There is provided a fuel cell vehicle equipped with a fuel cell. The fuel cell vehicle comprises a fuel gas supply piping located in floor of the fuel cell vehicle and configured to supply a fuel gas to the fuel cell; an exhaust drainage piping located under the floor and configured to discharge an exhaust gas and water from the fuel cell; a muffler located below the fuel gas supply piping in a direction of gravity and connected with the exhaust drainage piping; and an undercover located below the muffler and provided to cover the floor, the undercover having a gap along a front-rear direction of the fuel cell vehicle formed between a front wheel of the fuel cell vehicle. The muffler is placed on any straight line that passes through the fuel gas supply pipe and that connects any point of a contact area in which the front wheel is in contact with ground surface with the gap in a view of a left-right direction of the fuel cell vehicle.

10. 发明申请

US20180277862A1 EXHAUST PROCESSING UNIT 审中-公开
公开(公告)号：US20180277862A1
公开(公告)日：2018-09-27
申请号：US15543203
申请日：2016-01-08
申请人： INTELLIGENT ENERGY LIMITED
发明人： Scott Baird
IPC分类号： H01M8/04089 , H01M8/04746 , H01M8/2457 , H01M8/04537 , H01M8/04223 , H01M8/04858
CPC分类号： H01M8/04097 , H01M8/04179 , H01M8/04231 , H01M8/04537 , H01M8/04619 , H01M8/04753 , H01M8/04761 , H01M8/04805 , H01M8/04902 , H01M8/0491 , H01M8/0662 , H01M8/2457 , H01M8/249
摘要： A fuel cell exhaust processing unit for consuming fuel in the exhaust flow of a main fuel cell module comprising a fuel cell assembly configured to receive the exhaust flow from an anode flow path of the main fuel cell module, the fuel cell assembly electrically connected and configured to consume fuel remaining in the exhaust flow from the main fuel cell module to a predetermined level before the exhaust flow exits the unit.

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