The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2003
Filed:
Mar. 08, 2001
Robert W. Doherty, New Park, PA (US);
Paul J. DeLuca, Belcamp, MD (US);
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
An absolute reference aerosol sampler system and method based on isokinetic and isoaxial sampling principles wherein the position of a collection inlet for an aerosol sampling head is adjusted relative to the actual wind direction in real time. In addition, flow rate of the air at a collection inlet within the absolute-reference sampler is matched to the real time actual wind speed. These adjustments and controls enable the absolute reference sampler system to obtain particulate samples from the immediate environment without biasing the size distribution in any manner, resulting in a fully unbiased, representative sample.