Exhaust apparatus for internal combustion engine

Exhaust apparatus for internal combustion engine

  • CN 102,686,840 A
  • Filed: 12/28/2009
  • Published: 09/19/2012
  • Est. Priority Date: 12/28/2009
  • Status: Active Application
First Claim
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1. the venting gas appliance of an internal-combustion engine, it possesses:

  • baffler, said baffler has the resonant chamber that the exhaust sound of specific frequency is carried out noise reduction;

    Outlet pipe;

    Said outlet pipe has the upstream open end that is connected with said baffler at the upstream portion of the discharge directions of blast air;

    And downstream part has and is used for downstream open end that the blast air of discharging from said baffler is discharged to atmosphere, and the venting gas appliance of said internal-combustion engine is characterised in thatSet inside hollow part at said outlet pipe;

    Said hollow part is constituted as;

    Downstream constitutes opening end;

    And upstream extremity is through outstanding laterally being communicated with said resonant chamber from the inside of said outlet pipe, thus the wall portion of the said baffler through marking off said resonant chamber and by obturation.

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