公开(公告)号：US20210190746A1

公开(公告)日：2021-06-24

申请号：US16719122

申请日：2019-12-18

Applicant: BAE SYSTEMS Information and Electronic Systems Integration Inc.

Inventor： Edward M. KOLVEK ,  Pierre-Alain S. AUROUX ,  Don A. HARRIS

IPC: G01N33/00 ,  G01N1/40 ,  G01N1/14

Abstract: The system and method for a multi-element, ultra-low SWaP chemical concentrator incorporating Applicant's own open cell foamed adsorbent material which allows high volume sampling (e.g., liters per minute) to achieve low detection limits (ppt) using high-volume, low-pressure air sources (i.e. fans or blowers) rather than pumps. The device delivers the sample directly to an analyzer without the need for a typical intermediate cryogenic trapping step. In one example, a rotary style concentrator comprises four individual foam elements. Each element can be individually heated to desorb analytes.