Silencer and engineering truck

Silencer and engineering truck

  • CN 105,569,771 B
  • Filed: 09/23/2015
  • Issued: 07/10/2018
  • Est. Priority Date: 09/23/2015
  • Status: Active Grant
First Claim
Patent Images

1. a kind of silencer, including housing unit, air inlet pipe (3) and exhaust pipe (12);

  • The inner cavity of the housing unit is divided into Helmholz resonance chamber (2), the first cavity (4), circular cone body cavity (5), secondCavity (6) and third cavity (8);

    The air inlet pipe (3) connects with first cavity (4), the exhaust pipe (12) with it is describedThird cavity (8) connects;

    The exhaust that the Helmholz resonance chamber (2) matches for elimination with engineering vehicle engine frequencyNoise;

    It is characterized in that,Cone is provided between first cavity (4) and second cavity (6);

    The cone include appearance panel andMesh, the appearance panel and the bottom plate (51) are both provided on bottom plate (51), the appearance panel and the bottom plate (51)Between cavity be the circular cone body cavity (5);

    The bottom plate (51) of the cone is towards first cavity (4), the circular coneThe tip of body is towards second cavity (6);

    Into the gas of first cavity (4), a part of gas enters the Helmholz resonance chamber (2), another part gasBody enters the circular cone body cavity (5), and the gas into the circular cone body cavity (5) passes through second cavity (6), the third chamberAfter body (8) by the exhaust pipe (12) discharge machine outside.

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