Method and apparatus for dry particle analysis

Details Method and apparatus for dry particle analysis Method and apparatus for dry particle analysis

1992-11-12

1994-11-01

Williams, Hezron E.

Measuring and testing

Particle size

356335, 356438, G01N 1502, G01N 2185

Patent

active

053599071

ABSTRACT:
A dry particle analyzer includes a vibrating sieve cup drizzling particles downwardly with first and second sheath air flows provided to separate the particles from boundary walls and to form the drizzling particles into a curtain for optical analysis. The particles drop vertically as a drizzle with gravitational assistance from a bulk sample to the analysis passage, after which their direction of movement is changed to horizontal and then upward for removal from the analyzer.

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