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Fuel injector

  • US 20050034444A1
  • Filed: 08/10/2004
  • Published: 02/17/2005
  • Est. Priority Date: 08/16/2003
  • Status: Active Grant
First Claim
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1. A variable geometry pre-mixing fuel injector for injecting a fuel/air mix in a downstream direction, comprising:

  • an air inlet;

    a fuel inlet positioned downstream of the air inlet;

    a duct extending at least downstream of the fuel inlet to define a fuel and air pre-mixing zone, that narrows to form an opening; and

    means for varying the flow of fuel/air mix from the pre-mixing zone through the opening.

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