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    • 1. 发明专利
    • Double-sided light receiving type solar generator
    • 双面接收型太阳能发电机
    • JP2005150563A
    • 2005-06-09
    • JP2003388667
    • 2003-11-19
    • Hitachi Ltd株式会社日立製作所
    • IMAZU YASUHIROEGUCHI YOSHIOJOGE TOSHIO
    • H01L31/042
    • Y02E10/50
    • PROBLEM TO BE SOLVED: To provide a solar generator including a solar battery array having a small difference in power generation between in the morning and in the afternoon even a double-sided light receiving type solar battery module having different power generation efficiencies between on the surface and on the rear surface. SOLUTION: The double-sided light receiving type solar battery array has double-sided light receiving type solar battery modules with their light receiving surface perpendicular to the surface of the ground and with their light receiving surface placed to face eastward and westward. Half of the placed solar battery modules are placed with their surfaces faced east and the remaining half surfaces are placed with their surfaces faced west. The light receiving area of the module with its surface having a high power generation efficiency is approximately equal to that of the module with its surface having a low power generation efficiency. COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:为了提供一种太阳能发电机,其包括太阳能电池阵列,其在早晨和下午之间的发电差异小,即使是具有不同发电效率的双面光接收型太阳能电池模块, 在表面和后表面。 解决方案:双面光接收型太阳能电池阵列具有双面光接收型太阳能电池模块,其光接收表面垂直于地表并且其光接收面向东和向外放置。 一半放置的太阳能电池模块放置在其表面面向东部,其余的半表面被放置,其表面面向西。 其表面具有高发电效率的模块的光接收面积近似等于其表面具有低发电效率的模块的光接收面积。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • CONTROL METHOD AND DEVICE FOR PRESSURIZED FLUIDIZED BED BOILER-COMPOUND POWER GENERATION FACILITY
    • JPH06257415A
    • 1994-09-13
    • JP4485093
    • 1993-03-05
    • HITACHI LTD
    • JOGE TOSHIO
    • F01K23/10F22D5/26F23C10/16F23C11/02
    • PURPOSE:To realize the operation suitable for cooling a boiler at the time when the fuel supply to the pressurized fluidized bed boiler is stopped by determining the amount of feed water in response to the retained heat of a furnace- fluidized bed, and controlling the amount of other processes of the pressurized fluidized bed boiler in accordance with the amount of the feed water. CONSTITUTION:In a pressurized fluidized bed boiler, at least one part of a heat transfer pipe 3 in which feed water flows, is in contact with a flowing material to perform heat-exchange. A steam turbine 11 and generator 12 are driven by the steam obtained from the heat transfer pipe 3. A gas turbine 8 supplies high-pressure air to the pressurized fluidized bed boiler. When the cause of boiler-trip is judged and the steam turbine 11 is found to be tripped, the main steam pressure is controlled by a turbine-bypass valve 17. When a boiler mechanical stoker is out of order, the main steam pressure is controlled by a steam turbine governor 10, because the steam turbine 11 and the steam turbine-generator 12 are continuing the operation. Thus, at the time of boiler- trip, the boiler is shifted to a usual boiler stopped state to reduce thermal stress.
    • 7. 发明专利
    • Silicon solar battery cell and its manufacturing method
    • 硅太阳能电池及其制造方法
    • JP2005116906A
    • 2005-04-28
    • JP2003351473
    • 2003-10-10
    • Hitachi Ltd株式会社日立製作所
    • JOGE TOSHIOARAKI ICHIROHOSOYA TSUNENORI
    • H01L31/04H01L31/00H01L31/0224H01L31/0352H01L31/042H01L31/18
    • H01L31/068H01L31/03529Y02E10/547
    • PROBLEM TO BE SOLVED: To provide an n
      + pp
      + BSF type solar battery cell having a lifetime near a value of an initial substrate by using the silicon substrate of a solar battery grade.
      SOLUTION: The silicon solar battery cell is manufactured through a rear surface boron diffusing step of diffusing a boron in the surface of the rear side of the silicon substrate, a front surface phosphorus diffusing step of diffusing a phosphorus in a front side of the silicon substrate to perform after the rear surface boron diffusing step, a low temperature annealing step of annealing for 1 hour or longer at a temperature of 600°C or lower to perform after the front surface phosphorus diffusing step, and an electrode baking step of baking the electrode under the conditions of a peak temperature of 700°C or lower and one minute or shorter.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过使用硅衬底提供具有接近初始衬底的值的寿命的n + pp + BSF型太阳能电池单元 太阳能电池级。 解决方案:硅太阳能电池单元通过在硅衬底的后侧的表面中扩散硼的后表面硼扩散步骤制造,前表面磷扩散步骤,在磷的前侧扩散磷 在后表面硼扩散步骤之后执行的硅衬底,在600℃或更低的温度下退火1小时或更长时间的低温退火步骤,以在前表面磷扩散步骤之后执行,并且电极焙烧步骤 在峰值温度为700℃以下,1分钟以下的条件下焙烧电极。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • SOLAR BATTERY MODULE AND SOLAR BATTERY ARRAY
    • JP2000091614A
    • 2000-03-31
    • JP26130198
    • 1998-09-16
    • HITACHI LTD
    • JOGE TOSHIO
    • H01L31/042
    • PROBLEM TO BE SOLVED: To increase the power generation output per unit area of a solar battery module by casting direct light on the surfaces of solar battery cells while casting scattered light on the rear faces of them. SOLUTION: Direct solar light 7 incident on the surface of a solar battery module is directly cast on the surfaces of two-sided photo detective cells 2. At the same time, direct solar light 8 incident in a space between each two adjacent solar battery cells is reflected on a reflection sheet 5. A part of the reflected light is incident on the rear faces of the solar battery cells 2 and another part of the reflected light is reflected on the inside surface of a flat glass 1 on the surface and then is incident on the surfaces of the solar battery cells 2. Moreover, scattered light 9 from the rear face side of the solar battery module is incident on the rear faces of the solar battery cells 2 through openings 6 of the reflection sheet 5 which is so located as to face the rear faces of the solar battery cells 2. Thereby, the power generation output per unit area of the solar battery module can be increased.