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High sensitivity gas leak detection system

  • US 4,164,138 A
  • Filed: 10/27/1977
  • Issued: 08/14/1979
  • Est. Priority Date: 10/27/1977
  • Status: Expired due to Term
First Claim
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1. A portable, high sensitivity gas leak detection system comprising:

  • means including at least twelve pendant flexible tubes having their open ends substantially aligned for continuously sampling air close to the surface of the earth;

    a pump for drawing air from said tubes for analysis;

    manifold means for connecting said tubes to said suction pump;

    the total internal capacity of said system to the analysis point, including said pump, manifold means and tubes being less than 100 cubic centimeters; and

    each said flexible tube having an inside diameter less than 1/4 inch, and having the opening at its end of substantial vertical extent to avoid gas blockage by water droplets.

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