Patent ID: 9028758
Filing Date: 2015-05-12
Classification: B04C,G01N,Y10T

Abstract:
1. An apparatus for detecting substances in an air sample, the apparatus comprising: a source of air pressure differential; a cyclone connected to the source of air pressure differential; an air input port connected to the cyclone, to receive the air sample; a substance output port connected to a bottom of the cyclone, to receive the substances; at least one reagent input port configured to inject at least one reagent into the cyclone; a discharge port configured to remove the substances from said apparatus, said substance output port disposed between said cyclone and said discharge port; a detector located at the substance output port, to detect a chemical change in at least one of the substances and the at least one reagent; a first exhaust channel configured to direct air towards a first air outlet port at an upper section of said cyclone; and a second exhaust channel extending towards the bottom of said cyclone and positioned to remove air from the bottom of said cyclone and to direct the air toward a second air outlet port at the upper section of said cyclone.