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    • 4. 发明申请
    • OPTICAL FUEL VAPOR DETECTOR UTILIZING THIN POLYMER FILM AND FUEL LEAK MONITOR SYSTEM
    • 使用薄聚合物薄膜和燃料泄漏监测系统的光学燃料蒸气探测器
    • WO1997021098A1
    • 1997-06-12
    • PCT/JP1996003551
    • 1996-12-04
    • HOECHST INDUSTRY LIMITEDTAKANO, YusukeMOTOSUGI, KenjiYAMAMOTO, TetsuSUGIYAMA, Tsunetoshi
    • HOECHST INDUSTRY LIMITED
    • G01N33/22
    • G01N21/77G01M3/047G01N33/0047
    • A fuel vapor detector system having a simple and low-cost structure, which is essentially safe, and a fuel leak monitor system using the detector. The fuel vapor detector includes a light source (2) having a light-emitting body; a detector (10) including a sensor (8) having a substrate (6) with a polymer coating (4) that changes its thickness and/or refractive index when coming into contact with a fuel vapor, the detector being disposed in such a manner that light from the light source is incident perpendicularly on it; a light-transmitting output portion (12) for allowing light from the light source (2) to pass therethrough and to allow it to be incident on the detector (10), and receiving reflected light from the sensor (8), the output portion being placed between the light source and the detector; and a photodetector for receiving reflected light from the sensor (8) and generating a signal corresponding to reflected light.
    • 一种燃料蒸汽检测器系统,其具有基本安全的简单且低成本的结构,以及使用该检测器的燃料泄漏监测系统。 燃料蒸气检测器包括具有发光体的光源(2) 检测器(10),包括具有基底(6)的传感器(8),聚合物涂层(4)在与燃料蒸气接触时改变其厚度和/或折射率,检测器以这种方式设置 来自光源的光垂直入射; 用于允许来自光源(2)的光通过并允许其入射到检测器(10)上并且接收来自传感器(8)的反射光的透光输出部分(12),输出部分 放置在光源和检测器之间; 以及用于接收来自传感器(8)的反射光并产生对应于反射光的信号的光电检测器。