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Exhaust sampling system and method for water vapor management

  • US 9,297,726 B2
  • Filed: 05/23/2012
  • Issued: 03/29/2016
  • Est. Priority Date: 05/23/2012
  • Status: Active Grant
First Claim
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1. An exhaust sampling system comprising:

  • a plurality of exhaust sampling system zones, the exhaust sampling system zones including a sampling conduit, a fill circuit, a read circuit, and at least one sampling bag; and

    a controller programmed to;

    predict minimum dilution ratios to avoid condensation in each of the exhaust sampling system zones; and

    run a test procedure in which a sample of exhaust is diluted with make-up gas at a selected minimum dilution ratio that is greater than or equal to a maximum of the predicted minimum dilution ratios.

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