Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1983-10-14
1985-09-03
Reeves, Robert B.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209579, 209606, 250283, 356 39, B07C 5342
Patent
active
045387338
ABSTRACT:
An apparatus for sorting particles comprises a nozzle or the like for forming discrete droplets of particles from a flowing liquid stream containing those particles. A detector is provided for detecting particles in the stream. A charging electrode, responsive to the detector, charges some droplets of selective interest with a positive electrical charge and some with a negative electrical charge. Electrical deflecting plates deflect charged droplets of selective interest. Droplets of selective interest, charged with opposite polarities, are collected in a collection well inside which the electrical charge is substantially neutralized. A method for sorting particles, such as cells or the like, substantially in accordance with the above-described apparatus is another aspect of the present invention.
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Becton Dickinson and Company
Reeves Robert B.
Rodrick Richard J.
Wacyra Edward M.
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