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Intake device of internal combustion engine

  • US 20070227495A1
  • Filed: 04/03/2007
  • Published: 10/04/2007
  • Est. Priority Date: 04/04/2006
  • Status: Active Grant
First Claim
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1. An intake device of an internal combustion engine, comprising:

  • an air intake passage leading to a combustion chamber of the engine through an intake valve;

    a fuel injection valve provided in the air intake passage to inject a fuel into the air intake passage; and

    an intake control valve arranged in the air intake passage at a position upstream of the fuel injection valve,wherein the intake control valve comprises;

    a given portion defined by the air intake passage;

    a pivot shaft passing through the given portion;

    a valve plate secured to the pivot shaft to pivot therewith within the given portion, the valve plate being pivotal between a close position to close the air intake passage and an open position to open the air intake passage; and

    an arrangement that provides, when the valve plate assumes the close position, the interior of the air intake passage downstream the valve plate with mutually isolated first and second air flows that are separated and oriented to enhance a flow of air/fuel mixture in the combustion chamber.

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