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INTERNAL COMBUSTION ENGINE

  • US 20090043479A1
  • Filed: 07/09/2008
  • Published: 02/12/2009
  • Est. Priority Date: 08/06/2007
  • Status: Active Grant
First Claim
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1. An internal combustion engine comprises:

  • a fuel injection valve which supplies a first fuel having a higher self-ignitability than gasoline and a second fuel having a higher combustion speed than gasoline such that an air-fuel mixture containing the first fuel and the second fuel is formed in a combustion chamber;

    a spark plug which ignites the air-fuel mixture; and

    a programmable controller programmed to control supply proportions of the first fuel and the second fuel such that the ignited air-fuel mixture undergoes flame propagation combustion and then undergoes self-ignition combustion.

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