Optical granulometer for measuring the concentration of particul

Details Optical granulometer for measuring the concentration of particul Optical granulometer for measuring the concentration of particul

1996-06-17

1997-12-30

Font, Frank G.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

356441, 356442, G01N 2100

Patent

active

057036900

ABSTRACT:
The granulometer uses a measuring laser beam (9) to illuminate particulate and, through the measure of the distribution of the light diffused by the examined particulate and gathered by a collecting lens (11), measures the concentration of particulate in the fluid in low concentration standards, the laser beam (9) being a converging one focused on a laser opaque shell (12) that partly covers the same lens.

REFERENCES:
patent: 4999514 (1991-03-01), Silveston
patent: 5303036 (1994-04-01), McLachlan et al.
RM 41 Dust Density Monitor, SICK Optik Elektronik (excerpt from the approval issued by the Federal Ministry of the Interior (GMBI 1975, No. 36), (no month available).
Combustion Measurements, Edited by Norman Chigier, HOLVE et al., Chapter 8, "In Situ Particle Measurements in Combustion Environments", pp. 279-299, (no date available).
Auburn International Triboflow brochure, (no date available).

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