Optical backscatter probe for sensing particulate in a combustion gas stream

Parks, James E; Partridge, William P

Title: Optical backscatter probe for sensing particulate in a combustion gas stream

Patent · Tue May 28 00:00:00 EDT 2013

OSTI ID:1083796

Parks, James E; Partridge, William P

A system for sensing particulate in a combustion gas stream is disclosed. The system transmits light into a combustion gas stream, and thereafter detects a portion of the transmitted light as scattered light in an amount corresponding to the amount of particulates in the emissions. Purge gas may be supplied adjacent the light supply and the detector to reduce particles in the emissions from coating or otherwise compromising the transmission of light into the emissions and recovery of scattered light from the emissions.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 8,451,444

Application Number:: 12/491,781

OSTI ID:: 1083796

Country of Publication:: United States

Language:: English

References (11)

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Portable LII based instrument and method for particulate characterization in combustion exhaust Gupta, Sreenath Borra; Sekar, Ramanujam R. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6700662 US Patent Document 6,700,662	patent	March 2004
Method and apparatus for off-gas composition sensing Ottesen, David Keith; Allendorf, Sarah Williams; Hubbard, Gary https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5984998 US Patent Document 5,984,998	patent	November 1999
Apparatus for controlling the fuel injection quantity Toyohara, Masahiro; Atago, Takeshi; Hori, Toshio https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5921226 US Patent Document 5,921,226	patent	July 1999
Diesel Exhaust Particle Characterization by Polarized Light Scattering Hunt, A. J.; Quinby-Hunt, M. S.; Shepherd, I. G. International Fall Fuels and Lubricants Meeting and Exposition, SAE Technical Paper Series https://doi.org/10.4271/982629	conference	October 1998
System for measuring particulate discharge from vehicular internal combustion engine Kamiya, Sigeru; Wakayama, Junji; Hayashi, Nobutoshi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4361028 US Patent Document 4,361,028	patent	November 1982
Apparatus for measuring the particulate matter in the flue gas or exhaust gas from a combustion process Grob, Ferdinand; Kienzler, Dieter; Linder, Ernst https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5009064 US Patent Document 5,009,064	patent	April 1991
Diesel particulate monitor Pataschnick, Harvey; Rupprecht, Georg https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5110747 US Patent Document 5,110,747	patent	May 1992
Apparatus for analyzing particulates Okayama, Junji; Noguchi, Naoki; Amimoto, Hiroyuki https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4747297 US Patent Document 4,747,297	patent	May 1988
Particle monitoring system Fishkin, Boris; Salzman, Phil https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6011622 US Patent Document 6,011,622	patent	January 2000

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