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    • 2. 发明申请
    • LIQUID LEVEL DETECTION IN AN EMANATING DEVICE
    • 发动机液位检测
    • US20090151447A1
    • 2009-06-18
    • US12302596
    • 2007-05-14
    • Wu JinPaul NewtonSimon Pugh
    • Wu JinPaul NewtonSimon Pugh
    • G01F23/292
    • G01F23/2928
    • An emanation device comprises an emanation material container (10), an emanation section (20) and emanation material level indication means (14,16); wherein, the emanation material level indication means (14, 16) comprises a light source (14), a light detector (16) and control means (not shown), wherein the light detector (16) is adapted to receive light from the light source (14) when a level of emanation material in the emanation material container (10) is at a first level and wherein the light detector (16) is adapted to receive substantially no light from the light source (14) when a level of emanation material in the emanation material container (10) is at a second level.
    • 发射装置包括散发材料容器(10),发散部分(20)和散发材料级指示装置(14,16); 其中,所述发射材料水平指示装置(14,16)包括光源(14),光检测器(16)和控制装置(未示出),其中所述光检测器(16)适于接收来自所述光的光 当发射材料容器(10)中的发散材料的水平处于第一水平时,并且其中所述光检测器(16)适于在发出水平时基本上不接收来自所述光源(14)的光的源(14) 散发材料容器(10)中的材料处于第二级。