Aerosol mobility size spectrometer

Details Aerosol mobility size spectrometer Aerosol mobility size spectrometer

2007-11-20

2007-11-20

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

C324S071400, C073S028040, C073S028040, C356S335000

Reexamination Certificate

active

11026726

ABSTRACT:
A device for measuring aerosol size distribution within a sample containing aerosol particles. The device generally includes a spectrometer housing defining an interior chamber and a camera for recording aerosol size streams exiting the chamber. The housing includes an inlet for introducing a flow medium into the chamber in a flow direction, an aerosol injection port adjacent the inlet for introducing a charged aerosol sample into the chamber, a separation section for applying an electric field to the aerosol sample across the flow direction and an outlet opposite the inlet. In the separation section, the aerosol sample becomes entrained in the flow medium and the aerosol particles within the aerosol sample are separated by size into a plurality of aerosol flow streams under the influence of the electric field. The camera is disposed adjacent the housing outlet for optically detecting a relative position of at least one aerosol flow stream exiting the outlet and for optically detecting the number of aerosol particles within the at least one aerosol flow stream.

REFERENCES:
patent: 6941005 (2005-09-01), Lary et al.
patent: 7029921 (2006-04-01), Lee et al.
Zhang et al.; “Resolution of the Radial Differential Mobility Analyzer for Ultrafine Particles”;J. Aerosol Sci. vol. 27, No. 8, pp. 1179-1200; 1996.
Tammet et al.; “Electrical Aerosol Spectrometer ofTartu University”;Atmospheric Research, vol. 62, pp. 315-324; 2002.
Russell et al; “Radially classified aerosol detector for aircraft-based submicron aerosol measurements”;Journal of Atmospheric and Oceanic Technology; 13 (3): pp. 598-609 Jun. 1996.
Zhang et al.; “Radial Differential Mobility Analyzer”;Aerosol Science and Technology; 23 (3): pp. 357-372 Oct. 1995.
Chen et al.; “Design and Evaluation of a Nanometer Aerosol Differential Mobility Analyzer”;J. Aerosol Sci., vol. 29., No. 5, pp. 497-509, 1998.
Knutson et al. “Aerosol classification by electric mobility: apparatus, theory, and applications”Journal of Aerosol Science, vol. 6, Issue 6, pp. 443-451, Nov. 1975.

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