Patent ID: 9702801
Date: 2017-07-11
CPC Classifications: G01N

Claim:
1. A particulate monitoring system comprising: a vehicle comprising a front portion and a rear portion and defining a longitudinal axis, the rear portion defining two longitudinally extending lateral sides and a laterally extending end portion, the two longitudinally extending lateral sides and the laterally extending end portion each having a height, the heights of the two longitudinally extending lateral sides and the laterally extending end portion being at least substantially the same; a wake conditioner comprising a forward face and a rearward face, the forward and rearward faces defined by a length and a width of the wake conditioner, the wake conditioner mounted proximate the rear portion of the vehicle such that the forward and rearward faces are perpendicular to the longitudinal axis of the vehicle, wherein the wake conditioner extends above an upper surface of the laterally extending end portion of the rear portion of the vehicle; and a sample inlet disposed rearwardly of the rearward surface of the wake conditioner, wherein the wake conditioner increases turbulence behind the rear portion of the vehicle, and produces an engineered vehicle wake behind the vehicle, when the vehicle is in motion and the sample inlet is in communication with the engineered vehicle wake and is configured to obtain a sample from the engineered vehicle wake.