Multi-element, ultra-low SWaP chemical pre-concentrator
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United States of America Patent
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Oct 1, 2024
Grant Date -
Jun 24, 2021
app pub date -
Dec 18, 2019
filing date -
Dec 18, 2019
priority date (Note) -
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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.
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