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High Swirl Engine

  • US 20110041799A1
  • Filed: 08/20/2010
  • Published: 02/24/2011
  • Est. Priority Date: 08/20/2009
  • Status: Active Grant
First Claim
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1. An internal combustion engine, comprising:

  • a combustion volume within a cylinder of an internal combustion engine that is defined at least by a cylinder wall and a piston in the cylinder; and

    a swirl port that delivers a fluid into the combustion volume via a swirl port outlet such that the delivered fluid is directed around a periphery of the cylinder with a fluid velocity disposed at a predetermined angle away from tangential to a curve of the cylinder wall to generate a swirling motion in the combustion volume, the swirling motion occurring at a swirl rate quantified by a swirl number that indicates a number of revolutions around the cylinder made by the fluid during a cycle of the piston.

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