Browsing by Author "Mcfarland, Andrew R."

Now showing items 1-4 of 4

    • Apparatus for transporting emissions from a stack 
      Vardiman, Steven; Mcfarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2000-02-08)
      The apparatus and method of the present invention extract samples of emissions within a stack or duct through the use of a probe. The sample is transported from the probe through a transport device into a mass-monitoring ...
    • Circumferential slot virtual impactor for concentrating aerosols 
      Haglund, John S.; Mcfarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2007-08-28)
      A circumferential slot virtual impactor includes a disk-shaped housing with an endless circumferential slot for receiving aerosols. The slot forms an acceleration nozzle, and a receiver nozzle spaced apart radially inwardly ...
    • In-line virtual impactor 
      Mcfarland, Andrew R.; Seshadri, Satyanarayanan (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2012-01-31)
      An inline virtual impactor comprising an outer housing having a housing inlet, a housing inner surface, a major flow outlet and a minor flow outlet; a flow accelerator member disposed in the upstream portion of the outer ...
    • Wet cyclone particle collector 
      Pierson, Raymond M.; Szarek, Matthew P.; Stroka, Thomas G.; Mcfarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2012-10-23)
      A wet cyclone particle collector is disclosed. The wet cyclone particle collector includes a cyclone unit, a liquid delivery unit and a sample collection unit. The cyclone unit draws a gas sample into a cyclone chamber and ...