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    • 2. 发明申请
    • DIRECT OXIDATION TYPE FUEL CELL SYSTEM
    • 直接氧化型燃料电池系统
    • US20140057190A1
    • 2014-02-27
    • US14007297
    • 2012-11-19
    • Masaki MitsuiTakashi AkiyamaJunya Kusumoto
    • Masaki MitsuiTakashi AkiyamaJunya Kusumoto
    • H01M8/04
    • H01M8/04253H01M8/0432H01M8/04753H01M8/0494H01M8/04955H01M8/1009H01M8/1011H01M2008/1095Y02E60/523
    • Disclosed is a fuel cell system comprising: a fuel cell including an anode and a cathode to which a water-soluble fuel and an oxidant are supplied, respectively, and a water-permeable electrolyte membrane interposed therebetween; a fuel tank; a first fuel supply unit which supplies an aqueous fuel solution to the anode; a second fuel supply unit which supplies the fuel to the first fuel supply unit; an oxidant supply unit which supplies an oxidant to the cathode; a temperature sensor which detects a temperature FT of the fuel cell; and a control unit which controls the first, second, and oxidant supply units, and the fuel cell whether to start or stop power generation. The control unit allows at least the first fuel supply unit to operate while the fuel cell is stopped from generating power, provided that the temperature FT of the fuel cell as such meets specific requirements.
    • 公开了一种燃料电池系统,包括:燃料电池,包括分别供应水溶性燃料和氧化剂的阳极和阴极,以及插入其间的透水电解质膜; 燃油箱 第一燃料供给单元,其向阳极供给水性燃料溶液; 第二燃料供给单元,其向第一燃料供给单元供给燃料; 氧化剂供应单元,其向阴极供应氧化剂; 检测燃料电池的温度FT的温度传感器; 以及控制单元,其控制第一,第二和氧化剂供应单元以及燃料电池是否启动或停止发电。 控制单元允许至少第一燃料供应单元在燃料电池停止发电时运行,只要燃料电池的温度FT满足特定要求即可。
    • 3. 发明申请
    • LED LIGHTING CIRCUIT, LED ILLUMINATION DEVICE, AND LED ILLUMINATION UNIT SOCKET
    • LED照明电路,LED照明装置和LED照明单元插座
    • US20130221864A1
    • 2013-08-29
    • US13881724
    • 2011-10-27
    • Hisashi FukasawaTakashi Akiyama
    • Hisashi FukasawaTakashi Akiyama
    • H05B37/02
    • H05B37/02F21K9/23F21Y2115/10H02M1/32H02M7/06H02M7/5383H05B33/08H05B33/0809H05B33/0815Y02B20/383
    • The purpose of the present invention is to provide an LED lighting circuit, which can normally light an LED even if an alternating current power supply is an electronic transformer, an LED illuminating device, and a socket for an LED illuminating unit. Disclosed is an LED lighting circuit includes a rectifier circuit for rectifying an AC output from an AC power supply, an LED drive unit, which drives the LED by having rectifying output inputted thereto from the rectifying circuit, a reverse current preventing unit, which is provided between the rectifying circuit and the LED drive unit, and a terminal voltage control unit, which reduces the output terminal voltage of the rectifying circuit in the case where the alternating current output from the alternating current power supply is unstable or stopped. Also provided are an LED illuminating device, and a socket for an LED illuminating unit.
    • 本发明的目的是提供一种即使交流电源是电子变压器,LED照明装置和用于LED照明单元的插座也可以使LED常亮的LED点亮电路。 公开了一种LED照明电路,其包括:整流电路,用于整流来自交流电源的交流输出,LED驱动单元,其通过从整流电路输入的整流输出来驱动LED;反向电流防止单元,其设置 在整流电路和LED驱动单元之间,以及终端电压控制单元,其在从交流电源输出的交流电流不稳定或停止的情况下降低整流电路的输出端子电压。 还提供了LED照明装置和用于LED照明单元的插座。
    • 4. 发明申请
    • DIRECT OXIDATION FUEL CELL SYSTEM
    • 直接氧化燃料电池系统
    • US20130130141A1
    • 2013-05-23
    • US13813822
    • 2012-04-12
    • Hiroaki MatsudaTakashi AkiyamaIsamu Kawata
    • Hiroaki MatsudaTakashi AkiyamaIsamu Kawata
    • H01M8/04
    • H01M8/04201H01M8/0271H01M8/04186H01M8/04197H01M8/04223H01M8/04225H01M8/1009H01M8/2483
    • Disclosed is a direct oxidation fuel cell system including: a direct oxidation fuel cell including an anode and a cathode, an air pump for supplying air to the cathode, a liquid feed pump for supplying an aqueous fuel solution to the anode, and a collection tank for collecting an anode fluid discharged from the anode. The collection tank has an anode fluid collection port at which the anode fluid is merged with a liquid in the collection tank. Either during normal operation or during suspension of operation of the fuel cell system, or both, the volume of the liquid in the collection tank is controlled to be equal to or greater than a predetermined first lower-limit value. The first lower-limit value is set such that the anode fluid collection port is positioned below the level of the liquid in the collection tank.
    • 公开了一种直接氧化型燃料电池系统,包括:包括阳极和阴极的直接氧化燃料电池,用于向阴极供应空气的空气泵,用于向阳极供应水性燃料溶液的液体供给泵和收集罐 用于收集从阳极排出的阳极流体。 收集罐具有阳极流体收集端口,阳极流体与收集罐中的液体合并。 无论是在正常操作期间还是在燃料电池系统的停止操作期间或两者之间,将收集箱中的液体的体积控制在等于或大于预定的第一下限值。 第一下限值被设定为使得阳极流体收集端口位于收集罐内液体的水平面以下。
    • 7. 发明申请
    • FUEL CELL SYSTEM AND METHOD FOR CONTROLLING THE SAME
    • 燃料电池系统及其控制方法
    • US20120308851A1
    • 2012-12-06
    • US13575761
    • 2011-10-13
    • Takashi Akiyama
    • Takashi Akiyama
    • H01M8/04H01M16/00
    • H01M16/006H01M2010/4271
    • A method is provided for controlling a fuel cell system including a fuel cell and a secondary battery for storing output power thereof. The method includes the steps of: detecting a remaining capacity of the secondary battery; determining a rate of change of the remaining capacity, where the rate of change is defined as positive when it increases and negative when it decreases; and changing an operation state of the fuel cell based on the remaining capacity and the rate of change. The step of changing the operation state is, for example, a step of switching the operation state between a plurality of power generation modes based on the remaining capacity and the rate of change.
    • 提供一种用于控制包括燃料电池和用于存储其输出功率的二次电池的燃料电池系统的方法。 该方法包括以下步骤:检测二次电池的剩余容量; 确定剩余能力的变化率,其中变化率在增长时被定义为正值,当减小时为负值; 以及基于剩余容量和变化率来改变燃料电池的运行状态。 改变操作状态的步骤是例如基于剩余容量和变化率在多个发电模式之间切换操作状态的步骤。
    • 8. 发明授权
    • Fuel cell with fuel-stoichiometric ratio control portion
    • 具有燃料 - 化学计量比控制部分的燃料电池
    • US08268497B2
    • 2012-09-18
    • US12137951
    • 2008-06-12
    • Masahiro TakadaTakashi Akiyama
    • Masahiro TakadaTakashi Akiyama
    • H01M8/04
    • H01M8/04552H01M8/04089H01M8/04589H01M8/04626H01M8/04753H01M8/0488H01M8/0491H01M8/1011H01M8/241H02J7/34Y02E60/523
    • A fuel cell system includes: a fuel cell stack including a plurality of fuel cells connected in series; a fuel supply portion supplying a fuel to each fuel cell; a current regulation portion regulating an electric current flowing from the fuel cell stack in such a way that an output voltage of the fuel cell stack is a predetermined set voltage; a voltage detection portion detecting an output voltage of each fuel cell; a fuel-supply control portion regulating a fuel supply to each fuel cell by the fuel supply portion in such a way that the difference decreases between an output voltage of each fuel cell detected by the voltage detection portion; a fuel-stoichiometric ratio detection portion detecting a fuel stoichiometric ratio of the fuel cell stack; and a fuel-stoichiometric ratio control portion regulating the set voltage in such a way that a fuel stoichiometric ratio detected by the fuel-stoichiometric ratio detection portion is a target fuel stoichiometric ratio set in advance.
    • 燃料电池系统包括:燃料电池堆,其包括串联连接的多个燃料电池; 向各燃料电池供给燃料的燃料供给部; 调节从燃料电池堆流出的电流的电流调节部,使得燃料电池堆的输出电压为规定的设定电压; 检测各燃料电池的输出电压的电压检测部; 燃料供给控制部,其通过燃料供给部调节向各燃料电池的燃料供给,使得由所述电压检测部检测出的各燃料电池的输出电压之差降低; 检测燃料电池堆的燃料化学计量比的燃料 - 化学计量比检测部分; 以及燃料 - 化学计量比控制部分,其调节设定电压,使得由燃料 - 化学计量比检测部分检测的燃料化学计量比是预先设定的目标燃料化学计量比。
    • 10. 发明授权
    • Machining head, nozzle changer and laser beam machining apparatus
    • 加工头,喷嘴更换器和激光束加工设备
    • US08212176B2
    • 2012-07-03
    • US11905613
    • 2007-10-02
    • Takashi AkiyamaMasahiko HasegawaKazunobu KataseShigeru Yokoi
    • Takashi AkiyamaMasahiko HasegawaKazunobu KataseShigeru Yokoi
    • B23K26/14B23K26/16
    • B23K26/1482Y10T483/17
    • A machining head includes a machining head element having an inner-head channel for passing laser light and assist gas, the nozzle having an inner-nozzle channel connecting to the inner-head channel and a nozzle orifice, pins protruding radially inward from a curved inner surface of the nozzle, a pin-locking part formed on the outside of the machining head element, the pin-locking part having pin-fitting openings, a head alignment part formed on a nozzle-side end surface of the machining head element, a nozzle alignment part formed on the nozzle at a location where the nozzle is aligned with the machining head element, and an O-ring fitted between the head alignment part and the nozzle to create a clearance between the head alignment part and the nozzle alignment part for mutual alignment.
    • 加工头包括具有用于通过激光和辅助气体的内部头部通道的加工头元件,所述喷嘴具有连接到内部头部通道的内部喷嘴通道和喷嘴孔,从弯曲的内部径向向内突出的销 喷嘴的表面,形成在加工头元件的外侧的销锁定部,销锁定部具有销嵌合开口,形成在加工头元件的喷嘴侧端面上的头部对准部, 喷嘴对准部,其形成在喷嘴与喷嘴与加工头元件对准的位置处的喷嘴对准部以及安装在头部对准部和喷嘴之间的O形环,以在头部对准部和喷嘴对准部之间形成间隙, 相互对齐。