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    • 1. 发明授权
    • Photovoltaic equipment
    • 光伏设备
    • US09343605B2
    • 2016-05-17
    • US13882046
    • 2011-10-21
    • Makoto ToyoharaYouji Ono
    • Makoto ToyoharaYouji Ono
    • H01L31/042H01L31/052H01L31/054H02S30/10
    • H01L21/30604H01L31/0543H02S30/10Y02E10/52
    • A photovoltaic unit can minimally reduce a displacement of focus positions from solar cells and prevent a decrease in power generation efficiency even if elastic behaviors of a Fresnel lens sheet and a base plate on which solar cells are arranged due to changes in temperature and humidity are different. The photovoltaic unit includes an integrated multiple Fresnel lens sheet and a base plate on which solar cells are arranged adjacent to the focus positions of individual Fresnel lenses. The multiple Fresnel lens sheet is fixed to the base plate by a lens sheet fixing element at a lens sheet fixing portion adjacent to the center of gravity of the sheet.
    • 即使由于温度和湿度的变化而布置太阳能电池的菲涅尔透镜片和基板的弹性行为也不同,光伏单元可以最小程度地减少聚焦位置从太阳能电池的位移并且防止发电效率的降低 。 光伏单元包括集成的多个菲涅尔透镜片和基板,太阳能电池在其上邻近各个菲涅尔透镜的焦点位置布置在其上。 多个菲涅尔透镜片通过透镜片固定元件固定在基板上,在与片材重心相邻的透镜片固定部分处。
    • 2. 发明授权
    • Fresnel lens sheet for solar concentration and design method therefor
    • 用于太阳能集中的菲涅耳透镜片及其设计方法
    • US09158042B2
    • 2015-10-13
    • US13375055
    • 2010-05-28
    • Makoto ToyoharaYouji OnoIchiro Matsuzaki
    • Makoto ToyoharaYouji OnoIchiro Matsuzaki
    • F21V9/04F21V9/06G02B5/22G02B5/26G02B3/08F24J2/08G02B19/00H01L31/054H01L31/042H01L31/00
    • G02B3/08F24S23/31F24S2201/00G02B19/0042H01L31/0543Y02E10/43Y02E10/52Y02P80/24
    • A design method for an optical sheet for solar concentration and an optical sheet for solar concentration obtained by means of the design method are disclosed. The design method is characterized in that, for a resin optical sheet for solar concentration containing an ultraviolet absorber in a base material thereof, an amount of the ultraviolet absorber to be contained in the base material is determined such that: in an accelerated degradation test by means of a metal-halide-lamp weathering test (device specification: JTM G 01:2000, Japan Testing Machinery Association), decrease in average transmittance in a wavelength range of 400 nm to 1850 nm after testing for an irradiation time T1 satisfies the following equation (1) τuv(0)+τuv(T1)>τ0(0)+τ0(T1)  (1) and that decrease in transmittance at each of wavelengths in the wavelength range from a corresponding initial value after testing for the irradiation time T1 is not greater than 10%. T1 is the accelerated test time required corresponding to the actual location of use. The optical sheet of the present invention is capable of efficiently concentrating light without decrease in transmittance while being used for a long time in an environment with a large amount of ultraviolet radiation.
    • 公开了一种通过设计方法获得的用于太阳能集中的光学片的设计方法和用于太阳能集中的光学片。 该设计方法的特征在于,对于其基材中含有紫外线吸收剂的太阳能浓缩用树脂光学片,确定基材中含有的紫外线吸收剂的量,使得:在加速劣化试验中, 金属卤化物灯风化试验(装置规格:JTM G 01:2000,日本试验机械协会)的手段,在照射时间T1测试后在400nm至1850nm的波长范围内的平均透射率的降低满足以下 方程(1)τuv(0)+τuv(T1)>τ0(0)+τ0(T1)(1),并且在测试照射时间后的相应初始值的波长范围内的每个波长的透射率降低 T1不大于10%。 T1是与实际使用位置相对应的加速测试时间。 本发明的光学片能够在大量紫外线照射的环境中长时间使用而不会降低透光率而有效地集中光。
    • 4. 发明授权
    • Small, jet-propelled boat
    • 小型喷气式船
    • US5199913A
    • 1993-04-06
    • US884763
    • 1992-05-18
    • Makoto ToyoharaHiroshi Tasaki
    • Makoto ToyoharaHiroshi Tasaki
    • B63H11/103
    • B63H11/103
    • A jet-propelled craft includes a hull, an engine installed within the hull, a duct positioned in the stern area of said hull, and an impeller which is turned by the rotational force of the engine to create a jet stream within the duct. The craft also includes left and right secondary water-intake openings on the bottom of the hull which are positioned a specific distance apart on the left and right in the hull, the duct including branches connected to the left and right secondary water-intake openings. By equipping the secondary water-intake openings with a valve which closes when a sharp turn is made in the above mentioned boat and the valve is on the outside with respect to the direction of the turn, air is prevented from entering the outside secondary duct and a loss of propulsive force is prevented.
    • 喷气式飞机包括船体,安装在船体内的发动机,位于所述船体的船尾区域中的管道,以及通过发动机的旋转力转动以在管道内产生喷射流的叶轮。 该船舶还包括船体底部的左右二次进水开口,其在船体左侧和右侧隔开特定距离,该管道包括连接到左侧和右侧二次进水口的分支。 通过在第二进水开口装有在上述船上形成急转弯时闭合的阀,并且阀相对于转向方向在外侧,防止空气进入外侧辅管, 防止推进力的损失。
    • 10. 发明申请
    • Fresnel lens sheet and rear projection screen using it
    • 菲涅尔透镜片和背投屏幕使用它
    • US20070159692A1
    • 2007-07-12
    • US10583136
    • 2004-12-16
    • Kazunori HiroseMakoto Toyohara
    • Kazunori HiroseMakoto Toyohara
    • G03B21/56G02B3/08
    • G03B21/62G02B3/08
    • A Fresnel lens sheet which is bright due to a small light quantity loss, is restricted in speckles and ghosts, does not produce moires, and can be used in an inexpensive transmitting screen, wherein the sheet satisfies the diffusion characteristics of the following expressions (1) and (2), or the following expressions (3), (4) and (5). γ/α≦2.8 (1) ζ/α≦6 (2), where α is viewing half value angle, γ viewing 1/10 value angle, and ζ viewing 1/100 value angle. 2.0°≦α≦5.5° (3), where α is viewing half value angle, γ≦12° (4), where γ is viewing 1/10 value angle, ζ≦18° (5), where ζ is viewing 1/100 value angle.
    • 由于光量损失小而明亮的菲涅尔透镜片在斑点和重影中受到限制,不产生莫尔条纹,并且可以用在廉价的透射屏幕中,其中片材满足以下表达式的扩散特性(1 )和(2),或下列表达式(3),(4)和(5)。 γ/α<= 2.8(1)zeta /α<= 6(2),其中α是观看半值角,伽玛视角1/10值角,以及zeta观看1/100值角。 2.0°<=α<= 5.5°(3),其中α是观察半值角,γ<= 12°(4),其中γ是观察1/10角度角,zeta <= 18°(5),其中 zeta正在观看1/100值角。