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    • 1. 发明专利
    • Acoustic device of vehicle
    • 汽车声响装置
    • JP2011069290A
    • 2011-04-07
    • JP2009220751
    • 2009-09-25
    • Toyota Motor CorpYamaha CorpYamaha Motor Co Ltdトヨタ自動車株式会社ヤマハ株式会社ヤマハ発動機株式会社
    • OGAWA KUNJITAKEOKA KAZUKIHONCHI YOSHIKAZUKOBAYASHI SATORUMARUYAMA HEIJIYOSHIOKA SHINJISUZUKI YASUYUKI
    • F02M35/12F02M35/16
    • PROBLEM TO BE SOLVED: To provide an acoustic device of a vehicle which can obtain sufficient acoustic pressure of suction noise propagated in a cabin, with respect to a constitution in which the suction noise of an internal combustion engine is propagated into the cabin. SOLUTION: The acoustic device 1 connecting a surge tank and a dash panel includes a duct member 5, a film unit 6 on the dash panel side, and a film unit 7 on a cowl side. In the duct member 5, openings 5B and 53a opening to the dash panel side and the cowl side, respectively, are formed. The film unit 6 on the dash panel side and the film unit 7 on the cowl side are mounted on the opening 5B of the dash panel side and the opening 53a of the cowl side, respectively. In the respective film units 6 and 7, punching panels made of metal are superposed on inner surfaces of the duct member 5 relative to films 61 and 71, which are made of resin thin films. Thus, the films 61 and 71 can be made thinner, allowing propagation efficiency of the suction noise to be enhanced. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够获得足够的在室内传播的吸入噪声声压的车辆的声学装置,其特征在于,内燃机的吸入噪声传播到车厢内 。 解决方案:连接缓冲箱和仪表板的声学装置1包括管道构件5,仪表板侧的胶片单元6和罩侧的胶片单元7。 在管道构件5中,形成分别向仪表板侧和前围侧开口的开口5B,53a。 前围板侧的胶卷单元6和前襟一侧的胶卷单元7分别安装在仪表板侧的开口5B和前襟一侧的开口53a上。 在各个胶片单元6和7中,相对于由树脂薄膜制成的胶片61和71,在金属制的冲孔板上叠置在管道构件5的内表面上。 因此,可以使薄膜61和71变薄,从而提高吸声的传播效率。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Acoustic device for vehicle
    • 汽车用声音装置
    • JP2014131880A
    • 2014-07-17
    • JP2011090498
    • 2011-04-14
    • Yamaha Motor Co Ltdヤマハ発動機株式会社
    • OSAWA HIDEKIMARUYAMA HEIJISUZUKI YASUYUKIKUNO YOSUKE
    • B60R11/02
    • G10K11/22B60R11/0217F02M35/0207F02M35/1038F02M35/10386F02M35/1294G01H3/00
    • PROBLEM TO BE SOLVED: To provide an acoustic device for a vehicle which generates pleasant sounds close to actual intake noise of an engine in the vehicle.SOLUTION: An acoustic device for a vehicle includes: a pressure sensor 21 which detects a sound pressure of intake noise of an engine 12 and outputs the sound pressure as a sound pressure signal; a signal processing part which performs processing for changing the sound pressure signal according to the operation state of a vehicle; and a speaker which outputs the sound pressure signal as the intake noise of the engine 12. The pressure sensor 21 is provided near an air flow meter 18 which is located closer to the air cleaner 16 side relative to a center part in an intake duct 15 for connecting the air cleaner 16 with a throttle body 17.
    • 要解决的问题:提供一种用于车辆的声学装置,其产生接近车辆中的发动机的实际进气噪声的令人愉快的声音。解决方案:用于车辆的声学装置包括:压力传感器21,其检测进气的声压 发动机12的噪声,并输出声压作为声压信号; 信号处理部,其执行根据车辆的运行状态改变声压信号的处理; 输出声压信号作为发动机12的进气噪声的扬声器。压力传感器21设置在靠近空气滤清器16侧的空气流量计18附近,该空气流量计相对于进气管道15中的中心部分 用于将空气滤清器16与节气门体17连接。