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    • 31. 发明申请
    • Cogeneration system
    • 热电联产系统
    • US20080196413A1
    • 2008-08-21
    • US12069924
    • 2008-02-12
    • Tsutomu WakitaniYoshinori NakagawaHiroyuki Eguchi
    • Tsutomu WakitaniYoshinori NakagawaHiroyuki Eguchi
    • H02J9/00H02J9/06
    • H02J9/062H02J3/005Y10T307/25Y10T307/305Y10T307/50Y10T307/696
    • In a cogeneration system having a first power plant connected to an AC power feed line between a power network and an electrical load and a first internal combustion engine for driving the first power plant such that exhaust heat of the first engine is supplied to a thermal load, power supply from the first power plant to the power network is interrupted by turning off a switch installed in the feed line, when outage of the power network is detected and a second power plant is operated, such that outputs of the first and second power plants are supplied to the electrical load. With this, it becomes possible to respond to a commercial power network outage for preventing reverse flow of the power output by the cogeneration system into the power network and supplying as much electric power as possible to the electrical load.
    • 在具有连接到电力网络和电力负载之间的AC供电线路的第一发电厂和用于驱动第一发电厂的第一内燃机的热电联产系统中,使得第一发动机的排热被供应到热负荷 当检测到电力网络中断并且第二发电厂运行时,通过关闭安装在馈电线路中的开关来中断从第一发电厂到电力网络的电力供应,使得第一和第二电力的输出 工厂供应给电气负载。 由此,可以应对商业电力网络中断,以防止热电联产系统输出到电力网络的功率输出的反向流动,并向电力负载提供尽可能多的电力。
    • 37. 发明授权
    • Generator
    • 发电机
    • US07068524B2
    • 2006-06-27
    • US11135451
    • 2005-05-24
    • Yoshinori NakagawaToshio InoueKazufumi Muronoi
    • Yoshinori NakagawaToshio InoueKazufumi Muronoi
    • H02M7/00H02M5/42
    • H02P9/006H02M7/08
    • An abnormality of a generator provided with a plurality of power supply units is easily detected. Each of the power supply units includes each of output windings L1 to L4, which are wound independently of each other around the single iron core, and each of rectifier circuits 2 to 5. The power supply units produce an integrated output power. Control means 33 to 35 control the rectifier circuits such that an output voltage agrees with a target voltage Vref. In a case where an added up power W becomes a power target value Wref, when the added up current I further increases, a power comparing section 39 reduces the target voltage Vref to prevent the rectifier circuits from outputting power. Further, when the added up current I exceeds a current upper limit ILMT, a gate pulse is stopped.
    • 容易地检测到设置有多个电源单元的发电机的异常。 每个电源单元包括围绕单个铁芯彼此独立缠绕的每个输出绕组L 1至L 4以及每个整流器电路2至5。 电源单元产生集成输出功率。 控制装置33至35控制整流器电路,使得输出电压与目标电压Vref一致。 在相加功率W成为功率目标值Wref的情况下,当相加电流I进一步增大时,功率比较部39降低目标电压Vref,以防止整流电路输出功率。 此外,当相加电流I超过电流上限ILMT时,停止栅极脉冲。
    • 40. 发明授权
    • Ink-jet printing method and apparatus
    • 喷墨打印方法和装置
    • US06942310B2
    • 2005-09-13
    • US10752488
    • 2004-01-08
    • Hidehiko KandaYoshinori Nakagawa
    • Hidehiko KandaYoshinori Nakagawa
    • B41J2/01B41J2/205B41J2/21
    • B41J2/2132
    • Printing is performed on a printing medium by using an ink-jet printhead for discharging ink, multilevel printing is performed by multipass printing operation of executing main scanning operation of moving the printhead relative to the printing medium with respect to each print area while changing the number of ink droplets discharged to each pixel, and the number of scans to be performed to discharge ink droplets used to print a pixel with a low gray level value is made larger than the number of scans to be performed to discharge ink droplets used only to print a pixel with a high gray level value, thereby preventing the occurrence of density irregularity and streaks in a low gray level portion and printing a high-quality image.
    • 通过使用用于排出墨水的喷墨打印头在打印介质上进行打印,通过多次打印操作通过执行主扫描操作来执行多页打印操作,该打印操作相对于每个打印区域相对于打印介质相对于打印介质移动打印头,同时改变数量 的墨滴排放到每个像素,并且使用于打印具有低灰度级的像素的墨滴来执行的扫描次数大于要用于仅喷墨打印墨滴的扫描次数 具有高灰度级的像素,从而防止在低灰度部分中发生浓度不规则和条纹,并打印高质量图像。