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:
Sep. 17, 2013
Filed:
Sep. 23, 2011
Xiaoliang Wang, St. Paul, MN (US);
Jugal Agarwal, New Brighton, MN (US);
George J. Chancellor, Lindstrom, MN (US);
James Evanstad, Mahtomedi, MN (US);
Anthony E Hase, White Bear Township, MN (US);
Sreenath Avula, Vadnais Heights, MN (US);
James E. Farnsworth, Shoreview, MN (US);
David a Lieder, Minneapolis, MN (US);
Xiaoliang Wang, St. Paul, MN (US);
Jugal Agarwal, New Brighton, MN (US);
George J. Chancellor, Lindstrom, MN (US);
James Evanstad, Mahtomedi, MN (US);
Anthony E Hase, White Bear Township, MN (US);
Sreenath Avula, Vadnais Heights, MN (US);
James E. Farnsworth, Shoreview, MN (US);
David A Lieder, Minneapolis, MN (US);
PNC Bank, National Association, Pittsburgh, PA (US);
Abstract
A system for measuring size segregated mass concentration of an aerosol. The system includes an electromagnetic radiation source with beam-shaping optics for generation of a beam of electromagnetic radiation, an inlet sample conditioner with adjustable cut-size that selects particles of a specific size range, and an inlet nozzle for passage of an aerosol flow stream. The aerosol flow stream contains particles intersecting the beam of electromagnetic radiation to define an interrogation volume, and scatters the electromagnetic radiation from the interrogation volume. The system also includes a detector for detection of the scattered electromagnetic radiation an integrated signal conditioner coupled to the detector and generating a photometric output, and a processor coupled with the conditioner for conversion of the photometric output and cut-size to a size segregated mass distribution.