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Muffler for automobiles

  • US 4,124,092 A
  • Filed: 05/24/1977
  • Issued: 11/07/1978
  • Est. Priority Date: 02/21/1977
  • Status: Expired due to Term
First Claim
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1. A muffler for automobiles comprising a tubular body having equivalent diameter D, two end plates and at least two baffle plates each traversing the internal space of said tubular body so as to define an expansion chamber having axial length h and a low frequency resonator chamber therebetween, gas inlet and outlet pipes connected to said expansion chamber at transversely spaced positions so as to cause a transverse flow of gases through said expansion chamber, and an insert pipe which connects said expansion chamber and said low frequency resonator chamber, wherein ratio h/D is substantially between 0.25 and 0.4.

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