Filter conditioning unit for high-volume sampling filters

US12042759B2 · kind B2 · utility

Assignees

• Signature Science, LLC · US
• The Government of the United States of America, as represented by the Secretary of Homeland Security · US

Inventors

• Joseph A. DiCicco · Cape May Court House, US
• Paul M. Flanigan, IV · Marlton, US
• John Brady · Medford, US
• Barry Smith · Weekstown, US

Key dates

• Filing date: Aug 5, 2021
• Grant date: Jul 23, 2024
• Expiry date: Jan 14, 2043

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2271/02
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Disclosed is a filter conditioning unit for cleaning and conditioning high-volume sampling (HVS) filters. The unit includes, among other elements, a filter tray suitable for holding one or more HVS filters, a manifold in which the filter tray is inserted, and an optional enclosure for safety. The manifold is suitable for heating the filter tray and filters therein to a desired temperature while purge gas is introduced to the manifold. Also described herein is a method of using the filter conditioning unit.