Method and apparatus for estimating a mixing proportion of diffe

Details Method and apparatus for estimating a mixing proportion of diffe Method and apparatus for estimating a mixing proportion of diffe

1993-09-23

1995-03-21

Pham, Hoa Q.

Optics: measuring and testing

For size of particles

By particle light scattering

356343, G01N 1502

Patent

active

054001390

ABSTRACT:
A method and apparatus which measures a particle size distribution of each content of powdery contents. Particle size distributions of a plurality of mixtures are calculated by blending the contents in various proportions, referring to the previously measured particle size distribution of each content, then determining the relationship between particular particle sizes in the plurality of particle size distributions and a mixing proportion. A particle size distribution of a mixture blended with the contents is measured, finding the particular particle size in the previously calculated particle size distributions of the mixture, and an actual mixing proportion of the contents in the mixture is estimated from the found particle size and the relations previously determined.

REFERENCES:
patent: 3315066 (1967-04-01), Muta et al.
patent: 4078863 (1978-03-01), Eriksson et al.
patent: 4274741 (1981-06-01), Cornillault
patent: 4313929 (1982-02-01), Morita et al.
patent: 4779003 (1988-10-01), Tatsuno
patent: 5185641 (1993-02-01), Igushi et al.

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