×

Vehicle emissions testing system

  • US 5,753,185 A
  • Filed: 04/23/1996
  • Issued: 05/19/1998
  • Est. Priority Date: 04/23/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. In an emission testing system including means for collecting vehicle emissions, means for drawing a test sample of said collected vehicle emission for the determination of pollutant components, and analyzer means for determining said pollutant components, the improvement comprising:

  • said analyzer means consisting of a single unit including a housing in which is disposed a chemiluminescence reaction cell and a flame ionization detection cell;

    common means for conditioning said test sample to lower the moisture content thereof prior to said conditioned test sample reaching said analyzer means;

    common means for controlling the flow rate and pressure of said conditioned test sample; and

    splitter means for dividing said conditioned test sample to provide uniform conditioned sample flow to said chemiluminescence reaction cell and said flame ionization detection cell.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×