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Operating noise control device and operating noise control method for vehicle

  • US 8,594,870 B2
  • Filed: 08/28/2008
  • Issued: 11/26/2013
  • Est. Priority Date: 08/28/2008
  • Status: Active Grant
First Claim
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1. An operating noise control device for a vehicle, the vehicle comprising a motive power source that generates an operating noise in proportion to a rotation speed thereof, the device comprising:

  • a heat noise generation system that creates beat noise by generating a second operating noise with a component an order of which is close to a value representing an order of the operating noise generated by the motive power source while the vehicle accelerates.

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