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    • 91. 发明专利
    • Lubricant deterioration sensor and machine with the same
    • 润滑剂检测传感器和机器
    • JP2013170822A
    • 2013-09-02
    • JP2012032739
    • 2012-02-17
    • Nabtesco Corpナブテスコ株式会社
    • NAKAMURA KOJISHIMADA HIDEFUMI
    • G01N21/27B25J19/02F16N29/00G01N21/15
    • G01N33/2888G01N21/15G01N21/251G01N21/8507G01N21/94G01N2021/152G01N2021/8521
    • PROBLEM TO BE SOLVED: To provide a lubricant deterioration sensor capable of immediately identifying the kind and the quantity of a contaminant in a lubricant of a machine.SOLUTION: A lubricant deterioration sensor 139b installed in a machine body for detecting deterioration of a lubricant 131a in the machine body comprises a gap forming member 60 with which an oil gap 60a is formed as a gap through which the lubricant 131a is infiltrated, a supporting member 30 which supports a white LED 72, an RGB sensor 73 and the gap forming member 60, and a casing 20 to be fixed to the machine body. Light emitted by the white LED 72 is transmissive through the gap forming member 60, and the oil gap 60a is disposed on an optical path from the white LED 72 to the RGB sensor 73. The casing 20 includes a screw part 21 in contact with the machine body on the outside, and the supporting member 30 is disposed inside of the screw part 21 while being separated from the screw part 21 so as to dispose at least a part of the optical path inside of the screw part 21.
    • 要解决的问题:提供能够立即识别机器的润滑剂中的污染物的种类和数量的润滑剂劣化传感器。解决方案:安装在机体中用于检测润滑剂131a的劣化的润滑剂劣化传感器139b 机体包括间隙形成构件60,油间隙60a形成为间隙,润滑剂131a穿过该间隙,支撑白色LED72的支撑构件30,RGB传感器73和间隙形成构件60, 以及固定在机体上的壳体20。 由白色LED72发出的光通过间隙形成构件60透射,并且油隙60a配置在从白色LED72到RGB传感器73的光路上。壳体20包括与 机体在外侧,并且支撑构件30设置在螺钉部21的内部,同时与螺钉部21分离,以便在螺钉部21内设置光路的至少一部分。
    • 92. 发明专利
    • Detection method of moisture content in oil and detection device thereof
    • 油中水分含量的检测方法及其检测装置
    • JP2013156170A
    • 2013-08-15
    • JP2012017371
    • 2012-01-30
    • Nabtesco Corpナブテスコ株式会社
    • SHIRATA TAKUYATAKAHASHI TSUTOMU
    • G01N21/27
    • G01N21/8507G01N21/534G01N2021/8521G01N2021/8535
    • PROBLEM TO BE SOLVED: To provide a detection method of a moisture content in oil, which can detect the moisture content in a lubricating oil more easily than ever before.SOLUTION: A detection method of a moisture content in oil, which detects the moisture content in a lubricating oil 109 of a machine, comprises the following processes: white light emitted by a white light emitting element 101 is made penetrate through the lubricating oil 109; the light penetrating through the lubricating oil 109 is made received by a color photodetector 102; a color of the light received by the color photodetector 102 is made detected by the color photodetector 102; and the moisture content is determined on the basis of the brightness of the color detected by the color photodetector 102.
    • 要解决的问题:提供油中水分含量的检测方法,其可以比以往更容易地检测润滑油中的水分含量。解决方案:油中含水量的检测方法,其检测含水量 在机器的润滑油109中,包括以下处理:由白色发光元件101发出的白光穿过润滑油109; 透过润滑油109的光被彩色光电检测器102接收; 由彩色光电检测器102检测由彩色光电检测器102接收的光的颜色; 并且基于由彩色光电检测器102检测到的颜色的亮度来确定水分含量。