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    • 6. 发明申请
    • METHOD AND SYSTEM FOR NON-DESTRUCTIVE TESTING
    • 用于非破坏性测试的方法和系统
    • US20120186349A1
    • 2012-07-26
    • US13387872
    • 2010-07-30
    • Takumi Inoue
    • Takumi Inoue
    • G01N29/11
    • G01N29/46G01N29/343G01N29/4454G01N2291/044G01N2291/102
    • Provided herein is a non-destructive testing method capable of diagnosing a condition of an object to be tested using a single-pulse ultrasonic wave signal. An attenuation waveform of the single-pulse ultrasonic wave signal received by a receiving section 3 is wavelet transformed by a wavelet transform section 6 to obtain an envelope line A(t) and a phase φ(t) of the attenuation waveform. A temporal change computing section 7 approximates the attenuation waveform by an approximation equation available for computation, using the envelope line A(t) and the phase φ(t) of the attenuation waveform inputted from the wavelet transform section 6, and obtains the temporal change of instantaneous frequency of the attenuation waveform. A diagnosing section 8 diagnoses a condition of the object to be tested, based on the temporal change of the instantaneous frequency computed by the temporal change computing section 7.
    • 本文提供了能够使用单脉冲超声波信号来诊断待测物体的状况的无损检测方法。 由接收部分3接收的单脉冲超声波信号的衰减波形由小波变换部分6进行小波变换,以获得衰减波形的包络线A(t)和相位(t)。 时间变化计算部分7使用包络线A(t)和从小波变换部分6输入的衰减波形的相位(t),通过可用于计算的近似方程近似衰减波形,并获得时间 衰减波形瞬时频率的变化。 诊断部分8基于由时间变化计算部分7计算的瞬时频率的时间变化来诊断被测试对象的状况。
    • 10. 发明授权
    • Pneumatic tire having thin tread reinforcing layer embedded in the outermost layer of a tread portion
    • 具有胎面部分最外层的胎面增强层薄的充气轮胎
    • US06736174B2
    • 2004-05-18
    • US09949719
    • 2001-09-12
    • Takumi InoueTomohiro Kusano
    • Takumi InoueTomohiro Kusano
    • B60C100
    • B60C11/00B60C9/00B60C11/005B60C11/24B60C2011/0025Y10T152/10027Y10T152/10513
    • In a pneumatic tire of the present invention, a tread reinforcing rubber layer composed of a rubber having larger tensile modulus of elasticity than that of a rubber composing the tread rubber layer and is less stretchable is provided in a thickness direction central area of a tread rubber layer. Because the tread reinforcing rubber layer diminishes the amount of lateral expansion and the amount of vertical compressive deformation when the tread rubber layer contacts the ground, generation of heat in the tread rubber layer can be suppressed. Therefore, in the present invention, the unique tread structure reliably suppresses heat-generation and the rubber of the tread rubber layer exhibits excellent tire wear resistance. As a result, suppression of heat-generation and high tire resistance can readily be achieved simultaneously.
    • 在本发明的充气轮胎中,在胎面橡胶的厚度方向中心区域设有胎面增强橡胶层,该胎面增强橡胶层由具有比构成胎面橡胶层的橡胶的弹性拉伸弹性大的橡胶构成的伸缩性较小的橡胶, 层。 由于当胎面橡胶层接触地面时,胎面增强橡胶层减小横向膨胀量和垂直压缩变形量,因此可以抑制胎面胶层中的热量产生。 因此,在本发明中,独特的胎面结构可靠地抑制发热,并且胎面橡胶层的橡胶表现出优异的耐轮胎耐磨性。 结果,可以容易地同时实现发热的抑制和高耐轮胎性。