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Multi-chamber noise control system

  • US 20080144852A1
  • Filed: 12/14/2006
  • Published: 06/19/2008
  • Est. Priority Date: 12/14/2006
  • Status: Active Grant
First Claim
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1. An automotive vehicle, comprising:

  • a chassis defining an engine compartment and a longitudinally spaced passenger compartment;

    an engine mounted in said engine compartment and being operable to generate noise energy;

    a transverse box-like structure interposed between said engine compartment and said passenger compartment within the transfer path of the noise energy being transmitted from said engine to said passenger compartment, said box-like structure being divided into a plurality of discrete chambers by internal longitudinally extending walls; and

    a noise control system placed within each said chamber of said box-like structure to control the transfer of said noise energy into said passenger compartment, said noise control system including a counteracting noise generating apparatus disposed within each said chamber and being operable to produce counteracting noise energy for the generated noise energy.

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