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TUNING TUBE

  • US 3,557,905 A
  • Filed: 06/19/1969
  • Issued: 01/26/1971
  • Est. Priority Date: 06/19/1969
  • Status: Expired due to Term
First Claim
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1. An exhaust gas muffler for internal combustion engines comprising:

  • an elongated shell having an inlet at one end and an outlet at the other end and gas passage means connecting the inlet and outlet;

    a transverse partition means inside the shell subdividing it into first and second longitudinally adjacent chambers;

    said partition means including a wall member and a passage defining member secured to the wall member;

    said partition means further including a lengthy tubular passage formed in part by said wall member and in part by said passage defining member and opening only into one of the chambers whereby the passage serves as a quarter wave length tuner;

    the centerline of said passage being substantially parallel to the plane of the wall member.

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