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Audit vehicle and audit method for remote emissions sensing

  • US 20030040863A1
  • Filed: 08/23/2001
  • Published: 02/27/2003
  • Est. Priority Date: 08/23/2001
  • Status: Active Grant
First Claim
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1. An apparatus for dispensing gas from a vehicle, comprising:

  • a plurality of compressed gas cylinders;

    a plurality of shutoff valves, one valve associated with each of the gas bottle for controlling gas flow out of that gas bottles;

    a check valve on at least one of gas cylinder that prevents gases from flowing back into the gas cylinder;

    a manifold that receives gas from each of the primary valves and leads to a pressure regulator;

    an output gas line leading from the pressure regulator; and

    a sample gas outlet opening at the end of the output line.

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