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    • 5. 发明申请
    • Decoupling hose for a motor vehicle exhaust system
    • 机动车辆排气系统的去耦软管
    • US20050000206A1
    • 2005-01-06
    • US10704812
    • 2003-11-12
    • Jean-Michel SimonClaire Girot
    • Jean-Michel SimonClaire Girot
    • B60K13/04F01N13/14F01N13/18F16L27/10F16L27/11F16L27/12F16L55/04F01N1/00
    • F01N13/1816F01N13/14F01N2530/22F16L27/1004F16L27/11F16L59/21
    • A method of avoiding damage to a decoupling hose mounted between two tubes of a motor vehicle exhaust system, said hose comprising a deformable inner portion, an outer sealing leakproofing portion in the form of a continuous and leaktight sleeve having a flexible central zone and two rigid endpieces, and an intermediate portion in the form of a wad of thermal lagging extending substantially over the entire length of the outer sleeve, each rigid endpiece extending at least over a length such that its peripheral end edge connected to the flexible central zone overlies the inner portion of the hose which is subjected to deformation, wherein, in order to avoid any damage to the wad of thermal lagging by said peripheral end edge of each endpiece, the method consists in defining the effective length of the endpieces in such a manner that for the wad of thermal lagging having an initial thickness H0 and a compressed thickness Hc when compressed by said peripheral edge of each endpiece during maximum transverse deflection in operation of the inner portion of the hose, the ratio [H0-Hc]/H0 is less than 0.3.
    • 一种避免损坏安装在机动车辆排气系统的两个管之间的去耦软管的方法,所述软管包括可变形的内部部分,具有柔性中心区域和两个刚性的连续和密封套筒形式的外部密封防漏部分 端部件和基本上在外套筒的整个长度上延伸的热滞后形式的中间部分,每个刚性端部件至少延伸一段长度,使得其连接到柔性中心区域的外周端部边缘覆盖在内部 软管的经受变形的部分,其中为了避免对每个端部件的所述周边端部边缘的热滞后的任何损坏,该方法包括以这样的方式限定端盖的有效长度: 具有初始厚度H0的热滞后系统和当每个端部件的周边边缘被压缩时的压缩厚度Hc 软管内部运行时的最大横向挠度,[H0-Hc] / H0的比值小于0.3。
    • 8. 发明申请
    • Muffling device and method for internal combustion engine
    • 内燃机消声装置及方法
    • US20040099475A1
    • 2004-05-27
    • US10301244
    • 2002-11-21
    • Francis Schulte
    • F01N007/08
    • F01N13/082F01N1/00F01N2530/22
    • A device and method for muffling the sound from an internal combustion engine is described, wherein the device is a tube made of a suitable material such as rubber and is attached to the exhaust outlet of the vehicle. Further described is a method of muffling the sound of an internal combustion engine that is comprised of taking a length of tubing, having two ends and attaching one end of said tubing to the outlet of the exhaust of an internal combustion engine, and directing the other end of said tubing toward the ground surface, by forming an approximate ninety degree bend, such that this second end of the tubing is in close proximity with the ground surface, with the result that the sound level of the exhaust from the engine is substantially reduced.
    • 描述了用于消除来自内燃机的声音的装置和方法,其中该装置是由合适的材料(例如橡胶)制成的管并附接到车辆的排气口。 进一步描述了一种消除内燃机的声音的方法,该方法包括取一定数量的管道,其具有两端并将所述管道的一端附接到内燃机的排气出口,并引导另一端 所述管道的端部通过形成大致九十度的弯曲,使得管的第二端与地面紧密接近,结果是来自发动机的排气的声级大大降低 。
    • 10. 发明申请
    • Personal watercraft
    • 个人船只
    • US20030134548A1
    • 2003-07-17
    • US10341755
    • 2003-01-13
    • Yoshimoto Matsuda
    • B63H021/32
    • F01N13/082B63H21/32F01N1/165F01N13/085F01N2260/14F01N2290/10F01N2530/04F01N2530/06F01N2530/22
    • Disclosed is a personal watercraft capable of preventing an exhaust gas from contaminating a transom board in the vicinity of an exhaust outlet and of reducing an exhaust noise of the exhaust gas within a wide speed range. The personal watercraft having an engine disposed in a body thereof for driving a water jet pump comprises, an exhaust outlet 2D formed at a rear end of an exhaust passage Ep extending from an exhaust port of the engine E to a transom board Tm of the watercraft so as to open rearwardly; a flexible sheet member 3 disposed at the exhaust outlet and having a closing portion 3A capable of opening/closing the exhaust outlet by an exhaust pressure of the exhaust gas; and a short pipe 5P mounted to the outside of the transom board and extending rearwardly from the transom board Tm so as to surround the closing portion 3A of the sheet member 3, for introducing the exhaust gas rearwardly.
    • 本发明公开了一种能够防止废气污染排气口附近的艉板的个人船舶,并且能够在宽的速度范围内减少废气的排气噪声。 具有设置在其主体中的用于驱动水喷射泵的发动机的个人船舶包括形成在从发动机E的排气口延伸到船只的横越板Tm的排气通道Ep的后端处的排气出口2D 以向后打开; 设置在排气出口处的柔性片构件3,具有能够通过排气的排气压力打开/关闭排气口的封闭部分3A; 以及安装在艉板的外侧并从艉板Tm向后延伸的短管5P,以围绕片构件3的关闭部3A,以便向后引入废气。