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    • 81. 发明申请
    • Led light source and image reading apparatus
    • LED光源和图像读取装置
    • US20100214803A1
    • 2010-08-26
    • US12656208
    • 2010-01-21
    • Fumihide SakamotoYuichi KagamiSatoshi Tanaka
    • Fumihide SakamotoYuichi KagamiSatoshi Tanaka
    • F21V7/04
    • H04N1/02815G02B6/0038G02B6/0061H04N1/02835H04N1/02885
    • The present invention provides an LED light source optimal as a light source of image reading apparatuses, and the light source is used in an image reading apparatus comprised of a platen for mounting a read original, a light source for lighting the read original mounted on the platen, a lens means for condensing reflected light from a main scanning line of the read original lighted by the LED light source, and a light-receiving means for receiving the reflected light from the main scanning line of the read original condensed by the lens means, and has an LED that is a light-emitting source, and a light guide for reflecting the light of the LED by an inner surface thereof to diffuse in the shape of the main scanning line, where the LED is disposed in an end portion in the main scanning line direction of the light guide, the light guide has an inner surface opposed to a light-emitting surface of the LED forming a curved reflecting surface for reflecting in the main scanning line direction, the LED is disposed out of a critical angle region at the end in the main scanning line direction of the curved reflecting surface, the light guide has a plurality of reflecting surface bodies spaced at predetermined pitches in the main scanning line direction with the bodies surface-opposed to the LED side inside an inner surface reflection optical path of the light guide to reflect the light of the LED toward the outside of the light guide along the main scanning line, and a length in the perpendicular direction to the main scanning line direction of each of the reflecting surface bodies is adjusted corresponding to a light amount to reflect.
    • 本发明提供一种作为图像读取装置的光源的最佳的LED光源,并且该光源用于图像读取装置,该图像读取装置包括用于安装读取的原稿的压板,用于照亮安装在读取装置上的读取原件的光源 压板,用于聚集由LED光源照射的读取原稿的主扫描线的反射光的透镜装置和用于接收来自由透镜装置会聚的读取原稿的主扫描线的反射光的光接收装置 ,并且具有作为发光源的LED,以及用于将LED的内部表面反射的LED的导光体以主扫描线的形状扩散,其中LED布置在LED的端部 导光体的主扫描线方向,光导具有与LED的发光面相对的内表面,形成弯曲反射面,用于在主扫描线中反射 在弯曲反射面的主扫描线方向的端部配置有LED被配置在临界角区域之外,导光体具有多个反射面体,主反射面主体以主扫描线方向隔开间隔开, 与导光体的内表面反射光路内的LED侧表面相对,以沿着主扫描线将LED的光朝向导光体的外侧反射,并且与主扫描线垂直的方向上的长度 对应于要反射的光量来调整每个反射表面体的方向。
    • 86. 发明授权
    • Gas turbine protection device
    • 燃气轮机保护装置
    • US07757474B2
    • 2010-07-20
    • US10581194
    • 2004-11-26
    • Satoshi TanakaToshimitsu MorimotoShouichi NagataKozo Toyama
    • Satoshi TanakaToshimitsu MorimotoShouichi NagataKozo Toyama
    • F02G3/00
    • F01D21/12F01D21/00F02C9/00F02C9/28F05D2270/303
    • A gas turbine has a plurality of combustors in a toroidal arrangement to provide combustion gases to turbine blades, thereby rotating the turbine body. Thermocouples, the number of which is the same as or greater than the number of the combustors, are arranged toroidally at the outlets of the turbine blades and measure the temperatures of the combustion gases at the respective outlets. During the operation of the gas turbine, if an abnormality, such as misfire or fuel injection nozzle obstruction, occurs in one or more of the combustors, the resulting change in gas temperature triggers a signal to stop, and thereby protect the gas turbine. Based on the measured values of the blade pass temperatures of the thermocouples and set threshold temperatures, a fuel supply system may be caused to gradually decrease the fuel supplied to the combustors to bring the gas turbine body to an automatic stop, or it may be cut off instantaneously, thus immediately stopping the gas turbine.
    • 燃气轮机具有环形布置的多个燃烧器,以向涡轮机叶片提供燃烧气体,从而使涡轮机体旋转。 其数量等于或大于燃烧器的数量的热电偶在涡轮机叶片的出口处环形地布置,并且测量各个出口处的燃烧气体的温度。 在燃气轮机的运转中,如果在一个或多个燃烧器中发生诸如失火或燃料喷射喷嘴堵塞的异常,则由此导致气体温度的变化触发信号停止,从而保护燃气轮机。 基于热电偶的叶片通过温度的测量值和设定的阈值温度,可以引起燃料供应系统逐渐减少供应到燃烧器的燃料以使燃气轮机主体自动停止,或者可以切断 从而立即停止燃气轮机。