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Method and apparatus for detecting particles in a gas flow

  • US 20030089159A1
  • Filed: 10/11/2002
  • Published: 05/15/2003
  • Est. Priority Date: 04/12/2000
  • Status: Active Grant
First Claim
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1. A detection means for detecting particles entrained in a gas stream, said detection means comprising:

  • a body adapted to be located in said gas stream and having an upstream face and a downstream face;

    a detector associated with said downstream detection face adapted to detect particles impinging on or passing over said downstream face; and

    said body being shaped and configured to deflect said gas stream around said body in a manner to cause generally turbulent gas flow of said gas stream adjacent said downstream face;

    said detector being adapted to generate a detection signal as a consequence of particles entrained in said turbulent gas flow impinging on or passing over said downstream face.

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