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公开(公告)号：US07481412B2
公开(公告)日：2009-01-27
申请号：US11292047
申请日：2005-11-30
申请人： Kazuki Ishikawa , Yoshio Saito , Toshiaki Kamo , Katsumi Sahoda , Osamu Ichikawa , Kouji Miyano , Tatsuya Sugawara
发明人： Kazuki Ishikawa , Yoshio Saito , Toshiaki Kamo , Katsumi Sahoda , Osamu Ichikawa , Kouji Miyano , Tatsuya Sugawara
IPC分类号： F16K31/12
CPC分类号： F16K31/0658 , F16K31/404
摘要： A solenoid-operated cutoff valve for use with fuel cells has a movable member disposed in a guide housing for displacement upon energization of a solenoid. When the movable member is displaced, a pilot valve is unseated from a pilot valve seat. A fluid in a communication chamber flows through a pilot passage into an output port. The communication chamber is divided into a first communication chamber and a second communication chamber by a diaphragm. Under a pressure difference developed between the first communication chamber and the second communication chamber, a main valve of a valve head is unseated from a valve seat of a valve housing, opening the solenoid-operated cutoff valve.
摘要翻译： 与燃料电池一起使用的电磁操作截止阀具有设置在引导壳体中的可动构件，用于在螺线管通电时移位。 当可动件移位时，先导阀从先导阀座脱离。 连通室中的流体通过导管通道进入输出端口。 通信室通过隔膜被分成第一连通室和第二连通室。 在第一连通室和第二连通室之间形成的压力差下，阀头的主阀从阀壳体的阀座脱离，打开电磁操作的截止阀。
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公开(公告)号：US20060163513A1
公开(公告)日：2006-07-27
申请号：US11292047
申请日：2005-11-30
申请人： Kazuki Ishikawa , Yoshio Saito , Toshiaki Kamo , Katsumi Sahoda , Osamu Ichikawa , Kouji Miyano , Tatsuya Sugawara
发明人： Kazuki Ishikawa , Yoshio Saito , Toshiaki Kamo , Katsumi Sahoda , Osamu Ichikawa , Kouji Miyano , Tatsuya Sugawara
IPC分类号： F16K31/02
CPC分类号： F16K31/0658 , F16K31/404
摘要： A solenoid-operated cutoff valve for use with fuel cells has a movable member disposed in a guide housing for displacement upon energization of a solenoid. When the movable member is displaced, a pilot valve is unseated from a pilot valve seat. A fluid in a communication chamber flows through a pilot passage into an output port. The communication chamber is divided into a first communication chamber and a second communication chamber by a diaphragm. Under a pressure difference developed between the first communication chamber and the second communication chamber, a main valve of a valve head is unseated from a valve seat of a valve housing, opening the solenoid-operated cutoff valve.
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公开(公告)号：US07279242B2
公开(公告)日：2007-10-09
申请号：US10691785
申请日：2003-10-23
申请人： Tatsuya Sugawara , Kouji Miyano , Kuri Kasuya
发明人： Tatsuya Sugawara , Kouji Miyano , Kuri Kasuya
IPC分类号： H01M8/04
CPC分类号： H01M8/04225 , H01M8/04097 , H01M8/04223 , H01M8/241 , H01M8/2457 , H01M2008/1095
摘要： The present invention is carried out to improve the starting capability of a fuel cell at low temperatures. The fuel cell system comprises a fuel cell 1 which generate electric power by supplying hydrogen gas and a oxidant gas, a hydrogen gas passage 10 for supplying hydrogen to the fuel cell 1, a hydrogen off gas circulation passage 20 for returning the hydrogen off gas to the hydrogen supply flow path 10, a hydrogen pump 7 provided at the hydrogen gas off gas circulation passage 20 for boosting the hydrogen off gas, a hydrogen off gas bypass passage 22 for returning the hydrogen off gas to the hydrogen supply flow path 10, an ejector 6 for sending hydrogen off gas in the hydrogen off gas bypass passage 20 provided in the hydrogen gas supply flow path 10 to the hydrogen supply flow path 10.
摘要翻译： 本发明是为了提高燃料电池在低温下的起动能力。 燃料电池系统包括通过供给氢气和氧化剂气体而产生电力的燃料电池1，向燃料电池1供给氢的氢气通道10，将氢气返回气体返回到氢气废气循环通道20 氢供给流路10，设置在氢气废气循环通路20上用于升压脱氢气体的氢泵7，将脱氢气体返回到氢供给流路10的氢废气旁路通路22， 喷射器6，用于将设置在氢气供给流路10中的氢气旁路通路20中的氢气排出到氢供给流路10。
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公开(公告)号：US07037609B2
公开(公告)日：2006-05-02
申请号：US10290562
申请日：2002-11-08
申请人： Tatsuya Sugawara , Kouji Miyano
发明人： Tatsuya Sugawara , Kouji Miyano
IPC分类号： H01M8/04
CPC分类号： H01M8/04097 , H01M8/04201 , H01M8/1007
摘要： To provide a fuel circuit of the fuel cell system, wherein a fuel pump can be scaled down, power consumption can be reduced, and required amount of fuel circulation is kept in the time of the output change in a fuel cell, including a fuel cell which generates electricity by being supplied with fuel and an oxidant; a fuel supply stream passage for sending the fuel to the fuel cell 1; a fuel circuit stream passage for making the unconsumed fuel discharged from the fuel cell merge with the fuel supply stream passage to be recirculated; the fuel pump (hydrogen pump) which takes in and sends out the unreacted fuel; and an ejector which inhales the unreacted fuel using the negative pressure generated when the fuel flows, the unreacted fuel being made to be merged with the fuel supplied to the fuel cell thereafter.
摘要翻译： 为了提供燃料电池系统的燃料回路，其中可以按比例缩小燃料泵，可以降低功率消耗，并且在包括燃料电池的燃料电池的输出变化时保持所需的燃料循环量 通过供应燃料和氧化剂发电; 用于将燃料送到燃料电池1的燃料供给流路; 用于使从燃料电池排出的未消耗燃料的燃料回路流通道与燃料供给流路合流以再循环; 燃料泵（氢泵），其接收和发出未反应的燃料; 以及喷射器，其使用当燃料流动时产生的负压吸入未反应的燃料，未反应的燃料随后与供应到燃料电池的燃料合并。
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5.发明授权Fuel cell system programmed to control reactant gas flow in a gas circulation path 有权燃料电池系统被编程为控制气体循环路径中的反应气体流动公开(公告)号：US07531257B2
公开(公告)日：2009-05-12
申请号：US10714065
申请日：2003-11-14
IPC分类号： H01M8/04
CPC分类号： H01M8/04228 , H01M8/04097 , H01M8/04223 , H01M8/241 , H01M8/2457 , H01M8/2483
摘要： A fuel cell system includes a fuel cell for generating power by being supplied with a fuel gas and an oxidizing gas, a fuel gas supply path for supplying a fuel gas to the fuel cell, a fuel off-gas circulation path for returning a fuel off-gas discharged from the fuel cell to the fuel gas supply path, an ejector, provided in the fuel gas supply path and driven by fluid flow energy, for supplying the fuel off-gas in the fuel off-gas circulation path flow to the fuel gas supply path, a fuel pump, provided in the fuel off-gas circulation path or on the fuel gas supply path and downstream with respect to the ejector, and driven by a rotating machine, for pressurizing the fuel off-gas, a discharge valve for discharging the fuel off-gas from the fuel off-gas circulation path; and a control device operatively connected to the fuel pump and to the discharge valve.
摘要翻译： 燃料电池系统包括通过供给燃料气体和氧化气体而产生动力的燃料电池，用于向燃料电池供应燃料气体的燃料气体供给路径，用于使燃料返回的燃料废气循环路径 - 从燃料电池排出到燃料气体供给路径的喷射器，设置在燃料气体供给路径中并被流体流动能驱动的喷射器，用于将燃料废气循环路径中的燃料废气供给到燃料 气体供给路径，燃料泵，设置在燃料废气循环路径或燃料气体供给路径上，相对于喷射器在下游，由旋转机械驱动，用于对燃料废气进行加压，排出阀 用于从燃料废气循环路径排出燃料废气; 以及可操作地连接到燃料泵和排放阀的控制装置。
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公开(公告)号：US10315870B2
公开(公告)日：2019-06-11
申请号：US15896417
申请日：2018-02-14
申请人： Toshihiro Okutsu , Takashi Fukumoto , Masaki Ishizaki , Tatsuya Sugawara , Sachika Tamaki , Hideaki Takahashi , Hidetoshi Kojima , Yohsuke Takamiya
发明人： Toshihiro Okutsu , Takashi Fukumoto , Masaki Ishizaki , Tatsuya Sugawara , Sachika Tamaki , Hideaki Takahashi , Hidetoshi Kojima , Yohsuke Takamiya
摘要： A sheet feeding device, which is included in an image forming apparatus and an image forming system, includes a sheet loader, an air drawing body, an attracting and conveying device, an air duct and a blocking device. The sheet loader is a device on which a bundle of sheets is loaded. The air drawing body is configured to generate suction air. The attracting and conveying device is configured to attract a sheet on top of the bundle of sheets by the suction air and convey the sheet. The air duct is configured to intake the suction air drawn by the air drawing body, to the attracting and conveying device. The blocking device is configured to block the suction air in the air duct.
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公开(公告)号：US06858340B2
公开(公告)日：2005-02-22
申请号：US10058791
申请日：2002-01-30
申请人： Tatsuya Sugawara , Shigekazu Kizaki , Yoshio Nuiya
发明人： Tatsuya Sugawara , Shigekazu Kizaki , Yoshio Nuiya
CPC分类号： F04F5/48 , F04F5/461 , H01M8/02 , H01M8/04097 , H01M8/04104 , H01M8/04126 , H01M8/04156 , H01M2008/1095
摘要： A variable flow-rate ejector for precisely controlling the flow rate based on pressure is disclosed. The ejector has a simple mechanical structure which comprises a nozzle for ejecting a first fluid; a diffuser into which a second fluid is drawn due to a negative pressure produced around the first fluid, where the first and second fluids are merged; a third-fluid chamber formed by first and second diaphragms attached to the needle, and the body of the ejector; and a fourth-fluid chamber formed by the second diaphragm and the body. The area of an opening around the needle in the opening at the head of the nozzle is changed by displacement of the needle along the central axis according to movement of first and second diaphragms which move in accordance with the pressure produced by the first fluid, the third fluid, and the fourth fluid.
摘要翻译： 公开了一种用于基于压力精确控制流量的可变流量喷射器。 喷射器具有简单的机械结构，其包括用于喷射第一流体的喷嘴; 扩散器，由于第一流体和第二流体合并而产生的第一流体周围的负压产生第二流体; 由连接到针上的第一和第二隔膜形成的第三流体室和喷射器的主体; 以及由所述第二隔膜和所述主体形成的第四流体室。 根据第一和第二隔膜的移动，根据由第一流体产生的压力移动，针头在喷嘴头部处的开口的面积根据针沿着中心轴线的位移而改变， 第三流体和第四流体。
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公开(公告)号：US09926157B2
公开(公告)日：2018-03-27
申请号：US15364805
申请日：2016-11-30
CPC分类号： B65H7/14 , B65H1/14 , B65H1/18 , B65H3/128 , B65H3/14 , B65H3/48 , B65H7/20 , B65H2301/4461 , B65H2511/152 , B65H2511/20 , B65H2511/51 , B65H2511/515 , G03G15/6511 , G03G15/6529 , G03G21/206 , B65H2220/02 , B65H2220/01
摘要： A sheet feeder, which is included in an image forming apparatus and an image forming system, includes a sheet loader on which a sheet bundle is loaded, an air blower to blow air to the sheet bundle loaded on the sheet loader and float upper sheets of the sheet bundle, a loader elevation device to lift and lower the sheet loader, a reflective optical detector including a first reflective optical detector to detect the upper sheets floated by the air blower and a second reflective optical detector to detect multiple floating sheets located below the floating sheets detected by the first reflective optical detector, and a controller configured to control the loader elevation device to perform a lifting operation of the sheet loader based on a combination of an output value of the first reflective optical detector and an output value of the second reflective optical detector.
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公开(公告)号：US09415957B2
公开(公告)日：2016-08-16
申请号：US14277903
申请日：2014-05-15
申请人： Munehisa Fuda , Takaya Ochiai , Kazuki Seto , Shinji Katsumata , Tatsuya Sugawara , Taewon Kim
发明人： Munehisa Fuda , Takaya Ochiai , Kazuki Seto , Shinji Katsumata , Tatsuya Sugawara , Taewon Kim
CPC分类号： B65H1/14 , B65H2403/42 , B65H2403/544 , B65H2403/61 , B65H2403/72 , B65H2405/15
摘要： A sheet feed device that includes a sheet feed tray configured to be enabled to be drawn from a main body of an image forming apparatus; a bottom plate arranged in the sheet feed tray and configured to stack thereon a plurality of sheets; a driving unit configured to move the bottom plate upward; a drive transmitting unit configured to transmit a driving force from a drive source arranged on the main body to the driving unit; and a one-way rotation transmitting unit configured to unidirectionally transmit input from the drive transmitting unit to the driving unit and configured to be arranged on one side of the drive transmitting unit opposite to a side connected to the driving unit.
摘要翻译： 一种供纸装置，包括被配置为能够从图像形成装置的主体抽出的供纸盘; 底板，布置在所述供纸托盘中并且构造成在其上堆叠多个片材; 构造成向下移动底板的驱动单元; 驱动传递单元，被配置为将驱动力从布置在所述主体上的驱动源传递到所述驱动单元; 以及单向旋转传递单元，被配置为将来自驱动发送单元的输入单向地传送到驱动单元，并且被配置为布置在与驱动单元连接的一侧相对的驱动发送单元的一侧。
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10.发明授权公开(公告)号：US10787329B2
公开(公告)日：2020-09-29
申请号：US16233359
申请日：2018-12-27
摘要： A sheet feeding device includes a sheet stacker configured to stack a sheet bundle; a blower configured to float a sheet on an upper portion of the sheet bundle; a conveyor configured to convey the sheet floated by the blower; a lift configured to lift up and down the sheet stacker; a first reflective optical sensor configured to detect the sheet floated by the blower; a second reflective optical sensor configured to detect the sheet bundle and a side face of the sheet stacker, the side face including a detection region to be detected by the second reflective optical sensor and a non-detection region not to be detected by the second reflective optical sensor; and circuitry configured to control the lift based on a detection result of the first reflective optical sensor and a detection result of the second reflective optical sensor. The circuitry is configured to cause the lift to lift up the sheet stacker in response to a change from a detection state to a non-detection state of the second reflective optical sensor.
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