Ensemble scattering particle sizing system with axial spatial re

Details Ensemble scattering particle sizing system with axial spatial re Ensemble scattering particle sizing system with axial spatial re

1989-05-16

1992-03-31

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356336, G01N 1506

Patent

active

051011131

ABSTRACT:
An ensemble scattering particle sizing system employing optical means and unique methodology which generates reliable data relative to particle concentration, size distribution and spatial distribution, including axial spatial distribution, for particles disposed in light transmitting medium gas with a given sample volume, means including a beam transmitter, a transform lens, an apertured image plane and a relay lens are strategically associated with a sample volume and detector means to produce the desired results.

REFERENCES:
patent: 3809478 (1974-05-01), Talbot
patent: 4027973 (1977-06-01), Kaye
patent: 4140395 (1979-02-01), Kreikebam
patent: 4827144 (1989-05-01), Zaitsa et al.
patent: 4830494 (1989-05-01), Ishikawa et al.
patent: 4839528 (1989-06-01), Itoh
patent: 4850707 (1989-07-01), Bowen et al.

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