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    • 1. 发明专利
    • Current measurement method
    • 电流测量方法
    • JP2012117985A
    • 2012-06-21
    • JP2010269792
    • 2010-12-02
    • Mitsubishi Aircraft Corp三菱航空機株式会社
    • TSUMURA YOICHIROYAMAKOSHI HIDEOAOI TATSUFUMI
    • G01R15/24
    • PROBLEM TO BE SOLVED: To provide a method for measuring a current flowing through a fastener in a structure similar to an actual structure.SOLUTION: A current measurement method includes: a step (a) in which an optical fiber is wound around the periphery of the fastener; a step (b) in which a first linearly polarized light is made incident from the other end of the optical fiber; a step (c) in which the incident first linearly polarized light is reflected at one end and a second linearly polarized light emitted from the other end of the optical fiber is detected; and a step (d) in which a current I is specified based on a rotational angle of a polarization plane of the second linearly polarized light with respect to the first linearly polarized light.
    • 要解决的问题:提供一种用于测量流过紧固件的电流的方法,其结构类似于实际结构。 解决方案:电流测量方法包括:步骤(a),其中光纤缠绕在紧固件的周边; 从光纤的另一端入射第一直线偏振光的步骤(b); 其中检测入射的第一直线偏振光在一端反射并从光纤的另一端发射的第二线偏振光的步骤(c); 以及基于第二线偏振光的偏振面的旋转角相对于第一线偏振光来指定电流I的步骤(d)。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Lightning stroke evaluation system
    • 闪电探测系统
    • JP2013195321A
    • 2013-09-30
    • JP2012064890
    • 2012-03-22
    • Mitsubishi Aircraft Corp三菱航空機株式会社
    • AOI TATSUFUMIYAMAGUCHI KENGOIKEDA AKIOYAMAKOSHI HIDEOHASHIGAMI TORU
    • G01R19/00
    • PROBLEM TO BE SOLVED: To provide a lightning stroke evaluation system capable of detecting presence/absence of spark when a craft structure and a test piece are struck by lightning, and various quantities caused by the lightning, and highly efficiently and accurately evaluate lightning resistance.SOLUTION: A lightning stroke evaluation system 1 includes: an image sensor 4 for detecting spark generated on a test piece 100 by lightning stroke; a trigger device 6 that emits a trigger signal for acquiring detection data synchronized with the lightning stroke onto the test piece 100; and an evaluation device 7 for evaluating lightning resistance of the test piece 100 on the basis of the detection data. The image sensor 4 and the evaluation device 7 are connected via an optical fiber cable 10 for transmitting an optical signal obtained by photoelectrically converting the detection data. The trigger device 6 and the image sensor 4 are connected via an optical fiber cable 11 for transmitting an optical signal obtained by photoelectrically converting the trigger signal.
    • 要解决的问题:提供一种能够在飞行结构和试验片遭受雷击时检测火花的存在/不存在的雷击评价系统,以及由雷击引起的各种量,并且高效准确地评估耐雷性。 解决方案:雷击评估系统1包括:图像传感器4,用于通过雷击检测在测试片100上产生的火花; 触发装置6,其发射用于获取与雷击同步的检测数据的触发信号到测试片100上; 以及评价装置7,用于根据检测数据评价试验片100的耐雷电性。 图像传感器4和评价装置7通过光纤电缆10连接,用于发送通过光电转换检测数据而获得的光信号。 触发装置6和图像传感器4通过光纤电缆11连接,用于发送通过光电转换触发信号而获得的光信号。
    • 8. 发明专利
    • Lightning-resistant and explosion-proof fastener
    • 防雷和防爆型紧固件
    • JP2012206662A
    • 2012-10-25
    • JP2011075143
    • 2011-03-30
    • Mitsubishi Aircraft Corp三菱航空機株式会社
    • UMEMOTO SOICHIROYAMAKOSHI HIDEOIYOMASA ATSUHIROHASHIGAMI TORU
    • B64C1/00B64C3/34F16B37/00F16B43/00
    • B64D45/02
    • PROBLEM TO BE SOLVED: To provide a lightning-resistant and explosion-proof fastener that exhibits sufficient arc control effect, reliable fastening force of a fastener member and a fastening member and excellent work stability.SOLUTION: An insulation cover 50A is configured so that the dimensions in an axial direction of a fastener body 25 of outer and inner periphery side cylindrical parts 50c, 50b to be fitted into step parts 40, 41, respectively, are larger than a tip covering part 50a for covering a tip surface 26a of a fastening member 26. On the outer and inner periphery sides of the fastening member 26, a distance to a member 22 is sufficiently secured by the outer and inner periphery side cylindrical parts 50c, 50b. The tip covering part 50a is thinner than the outer and inner periphery side cylindrical parts 50c, 50b. When the fastener body 25 is fastened to the fastening member 26, the deformation of the tip covering part 50a in the thickness direction can be reduced.
    • 要解决的问题:提供具有足够的电弧控制效果的防雷和防爆紧固件,紧固构件和紧固构件的可靠的紧固力以及优异的工作稳定性。 解决方案:绝缘盖50A被构造成使得分别嵌合在台阶部分40,41中的外周侧圆筒部50c和内周侧圆筒部50b的紧固件主体25的轴向尺寸大于 用于覆盖紧固构件26的末端表面26a的末端覆盖部分50a。在紧固构件26的外周侧和内周侧,通过外周侧圆筒部50c和内周侧圆筒部50c充分确保与构件22的距离, 50B。 尖端覆盖部50a比外周侧圆筒部50c和内周侧圆筒部50b薄。 当紧固件主体25紧固到紧固件26时,可以减小顶部覆盖部分50a在厚度方向上的变形。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Lightening-resistant fastener and aircraft
    • 防辐射紧固件和飞机
    • JP2014080055A
    • 2014-05-08
    • JP2012227650
    • 2012-10-15
    • Mitsubishi Aircraft Corp三菱航空機株式会社
    • WATANABE YASUNORIHIMENO HIROMITSUYAMAKOSHI HIDEO
    • B64C1/00B64D45/02F16B25/00F16B37/14
    • B64D45/02F16B33/004F16B37/14
    • PROBLEM TO BE SOLVED: To secure smoothness of the airframe of an aircraft provided with an outer skin formed with a fiber-reinforced resin and a fastener provided with an insulation member used to fasten the outer skin to a supporting material.SOLUTION: An aircraft includes an outer skin 4 formed with a fiber-reinforced resin material, a supporting material and a lightening-resistant fastener 1. The lightening-resistant fastener 1 comprises a metal-made fastener body 2 having a shank part and a head part 20 and an insulation member 30 made of an insulating resin material and mounted on the head part 20. In the head part 20, a truncated cone like fastener seating surface 211 is formed. In the outer skin 4, a receiving surface 41 corresponding to the fastener seating surface 211 is formed. In the insulation member 30, there is formed an insulation seating surface 321 retracted from the fastener seating surface 211 and brought in contact with the receiving surface 41 by caving an area 41A of the receiving surface 41 opposite to the fastener seating surface 211.
    • 要解决的问题:为了确保设置有由纤维增强树脂形成的外皮的飞行器的机身的平滑度以及设置有用于将外皮固定到支撑材料的绝缘构件的紧固件。解决方案:飞机包括 形成有纤维增强树脂材料的外皮4,支撑材料和防闪除紧固件1.防雷紧固件1包括金属制紧固件主体2,其具有柄部分和头部20以及绝缘体 构件30由绝缘树脂材料制成并且安装在头部20上。在头部20中形成有截锥形的紧固件座表面211。 在外皮4中形成有与紧固件安装面211对应的接收面41。 在绝缘构件30中,形成有从紧固件座表面211缩回的绝缘座表面321,并且通过使接收表面41的与紧固件座面211相对的区域41A开口而与接收面41接触。