Patent ID: 9291530
Filing Date: 2016-03-22
CPC Classification: G01N

Claim Text:
1. An apparatus for sampling and analyzing an exhaust gas or liquid generated from an engine or device having an outlet conduit, the apparatus comprising: a connector that is adapted to be secured adjacent to an aperture formed through an outlet conduit of an engine or device that generates a flow of exhaust gas or liquid therethrough during use; a conduit having a first end and a second end, the first end attached to the connector, the conduit adapted to receive and pass therethrough at least a portion of the exhaust gas or liquid from the outlet conduit; a sensor chamber attached to the second end of the conduit, the sensor chamber in fluid communication with the conduit and is adapted to receive and pass therethrough at least a portion of the exhaust gas or liquid from the conduit; a one-way valve attached to the sensor chamber and defining a flow path between the sensor chamber and the environment outside of the apparatus, the one-way valve only allowing the exhaust gas or liquid in the sensor chamber to exit therefrom; and a sensor, a portion of which is disposed in the sensor chamber and upstream of the one-way valve, the sensor sensing at least one characteristic of the exhaust gas or liquid in the sensor chamber and generating a signal that is representative of such characteristic.