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    • 2. 发明授权
    • Synchronous belt
    • 同步皮带
    • US5478286A
    • 1995-12-26
    • US371129
    • 1995-01-11
    • Naoki HamanoTomoko HamanoTsutomu Shioyama
    • Naoki HamanoTomoko HamanoTsutomu Shioyama
    • F16G1/28
    • F16G1/28
    • There is provided a synchronous belt with excellent heat resistance and excellent abrasion resistance, in which a backing rubber is composed of a rubber composition obtained by vulcanizing hydrogenated nitrile rubber with an organic peroxide. At least the lowermost layer of a tooth rubber is composed of a hydrogenated nitrile rubber composition obtained through both sulfur vulcanization and peroxide vulcanization. The coating rubber on a facing fabric is composed of a rubber composition obtained through sulfur vulcanization. The above rubber composition of the tooth rubber is obtained by adding, to every 100 g of hydrogenated nitrile rubber, 0.3 to 10 g of sulfur-containing vulcanizing agent and 0.002 to 0.025 mol of organic peroxide.
    • 提供了具有优异的耐热性和优异的耐磨性的同步带,其中背衬橡胶由通过硫化氢化丁腈橡胶与有机过氧化物获得的橡胶组合物组成。 至少最下层的橡胶橡胶是由通过硫磺硫化和过氧化硫硫化获得的氢化丁腈橡胶组合物组成的。 面层织物上的涂层橡胶由通过硫磺硫化获得的橡胶组合物组成。 通过向每100g氢化丁腈橡胶中加入0.3〜10g含硫硫化剂和0.002〜0.025摩尔有机过氧化物,得到上述橡胶组合物。
    • 4. 发明授权
    • Active sound muffler and active sound muffling method
    • 主动消声器和主动声音消声法
    • US07352870B2
    • 2008-04-01
    • US10400564
    • 2003-03-28
    • Akihiko EnamitoOsamu NishimuraTsutomu Shioyama
    • Akihiko EnamitoOsamu NishimuraTsutomu Shioyama
    • H03B29/00H04B15/00F01N1/06
    • G10K11/178G10K2210/118G10K2210/124G10K2210/128G10K2210/3214G10K2210/3224
    • An active sound muffler for reducing a sound to be reduced as emitted from a sound source located at one of the opposite sides of a sound insulating wall and diffracted and transmitted to the other side, the muffler comprises a control loudspeaker arranged at the front end or the other side of the sound insulating wall and adapted to output a control sound with a predetermined amplitude and a predetermined phase, a control microphone arranged above the sound insulating wall and adapted to gauge the sound pressure or the acoustic intensity of the sound to be reduced and that of the control sound and a control circuit for controlling the output of the control loudspeaker so as to minimize the sound pressure or the acoustic intensity, whichever appropriate, based on the outcome of gauging of the control microphone, and the control loudspeaker showing a line sound source characteristic.
    • 一种主动声音消音器,用于减少从位于隔音壁的相对侧中的一个声音处发射并被衍射并传播到另一侧的声源被减小的声音消音器,消声器包括设置在前端的控制扬声器或 隔音墙的另一侧,适于输出具有预定振幅和预定相位的控制声音,控制麦克风布置在隔音墙上方,适用于测量声音的声压或声强度。 以及用于控制控制扬声器的输出的控制电路的控制电路,以便基于控制麦克风的测量结果,以最小化声压或声强度(以适当的方式),并且控制扬声器显示为 线声源特征。