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    • 3. 发明公开
    • Exhaust-gas muffler
    • Abgasdämpfer
    • EP2489842A1
    • 2012-08-22
    • EP12152705.5
    • 2012-01-26
    • Honda Motor Co., Ltd.
    • Usa, MasanoriMochizuki, TsuyoshiNishioka, Makoto
    • F01N1/16F01N1/08
    • F01N1/16F01N1/089F01N1/163F01N1/166F01N2230/04F01N2290/10F01N2490/06F01N2490/08F01N2590/04
    • An exhaust-gas muffler (28) includes a relief valve (66) provided between an upstream exhaust-gas chamber (36) and a downstream exhaust-gas chamber (38) formed in a casing (30) such that exhaust gas is allowed to sequentially flow therethrough. The relief valve (66) is configured to open when the pressure of the upstream exhaust-gas chamber (36) is a predetermined value or higher.
      In order to enable the relief valve (66) to be more accurately opened or closed, and in particular to prevent the relief valve (66) from opening as a result of an instantaneous increase in pressure, a seal member (72) of the relief valve is made of a metal mesh material, and is formed into a disc shape to cover an exit of a gas passage (67) joining the upstream exhaust-gas chamber (36) and the downstream exhaust-gas chamber (38).
    • 排气消声器(28)包括设置在形成在壳体(30)中的上游排气室(36)和下游排气室(38)之间的排气阀(66),使得废气被允许 依次流过。 安全阀(66)构成为,在上游排气室(36)的压力为规定值以上时,开放。 为了使安全阀(66)更加精确地打开或关闭,并且特别是为了防止溢流阀(66)由于压力的瞬间增加而打开,则浮雕的密封构件(72) 阀由金属网材料制成,并且形成为盘形,以覆盖连接上游排气室(36)和下游排气室(38)的气体通道(67)的出口。