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INTERNAL COMBUSTION ENGINE

  • US 20100222989A1
  • Filed: 08/03/2006
  • Published: 09/02/2010
  • Est. Priority Date: 08/08/2005
  • Status: Active Grant
First Claim
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1. An internal combustion engine having a plurality of banks each having a cylinder provided to said banks, comprising:

  • an intake valve provided between said cylinder and an intake manifold;

    a camshaft opening and closing said intake valve by means of mechanical power of said internal combustion engine; and

    a changing unit changing, according to an operating state of said internal combustion engine, a phase angle of said camshaft, said phase angle corresponding to a closing timing of said intake valve,said banks differing from each other in most retarded phase angle changed by said changing unit, andwhen said internal combustion engine is started, an in-cylinder pressure of a first bank of said plurality of banks that is determined based on a phase angle of said first bank is different from an in-cylinder pressure of a second bank different from said first bank that is determined based on a phase angle of said second bank.

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