Apparatus and method for making nanopowder

Details Apparatus and method for making nanopowder Apparatus and method for making nanopowder

2006-07-25

2009-12-01

Theisen, Mary Lynn F (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

C264S013000, C264S014000, C425S006000, C425S010000, C977S896000

Reexamination Certificate

active

07625508

ABSTRACT:
An apparatus (20) for making nanopowder includes a reaction chamber (22), a first sprayer (25, 27), a second sprayer (26, 28) and a centrifuge (24). The reaction chamber includes a top portion (224); a bottom portion (227) opposite to the top portion; a peripheral sidewall (220, 223) interconnecting the top portion and the bottom portion; an inlet (222) formed in the top portion configured for introducing a solvent; and an outlet (229) formed in the bottom portion. The first sprayer is formed on the peripheral sidewall of the reaction chamber configured for spraying a first reactant into the reaction chamber. The second sprayer is formed in at least one of the top and bottom portions of the reaction chamber configured for spraying a second reactant into the reaction chamber. The centrifuge is connected with the outlet of the reaction chamber.

REFERENCES:
patent: 6994837 (2006-02-01), Boulos et al.
patent: 2006/0244164 (2006-11-01), Didenko et al.
patent: 1400044 (2003-03-01), None

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