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Straddle-Type Vehicle and Combustion Controller for Straddle-Type Vehicle

  • US 20090222192A1
  • Filed: 10/20/2005
  • Published: 09/03/2009
  • Est. Priority Date: 10/20/2004
  • Status: Active Grant
First Claim
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1. A straddle-type vehicle, comprising:

  • a vehicle body frame;

    an engine mounted on the vehicle body frame;

    a combustion adjusting device for adjusting the combustion condition of the engine; and

    a combustion controller for controlling the combustion adjusting device, characterized in that;

    the combustion controller controls the combustion adjusting device such that the maximum point of a sound pressure level waveform of an audible sound wave generated from the engine or the vehicle body frame is shifted by a predetermined amount or larger within a predetermined period at least in some of the operation conditions of the engine.

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