Classifying – separating – and assorting solids – Electrostatic – Attracting
Reexamination Certificate
2011-02-01
2011-02-01
Rodriguez, Joseph C (Department: 3653)
Classifying, separating, and assorting solids
Electrostatic
Attracting
C209S012200, C209S154000
Reexamination Certificate
active
07880109
ABSTRACT:
A classification apparatus for classifying and separating particles having particle sizes within a predetermined range is disclosed. In a preferred embodiment of the classification apparatus, a center electrode (3) and an outside electrode (4) generate an electric field for classifying charged fine particles according to electric mobility. In the upper part of a housing (1), a sheath gas supply portion (7) is provided. An aerosol supply portion (11) has an introduction port (11a) provided on the outside electrode (4) side in a classification region (5), and supplies a charged aerosol at a constant flow rate through the introduction port (11a). On the downstream side in the flow of a sheath gas in the classification region (5), a larger-size particle discharge portion (13) is provided. The larger-size particle discharge portion (13) has a discharge port (13a) provided on the outside electrode (4) side, and discharges charged fine particles, which are contained in the classified charged aerosol and have particle sizes larger than a predetermined particle size, together with part of the sheath gas at a constant flow rate. A detector (18) is provided downstream of the housing (1) to detect the number of remaining charged fine particles contained in the sheath gas introduced thereinto as the quantity of electricity.
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International Search Report for the Application No. PCT/JP2006/325593 mailed Apr. 3, 2007.
Inoue Fujio
Okuda Daiji
Okuda Hiroshi
Cheng Law Group PLLC
Rodriguez Joseph C
Shimadzu Corporation
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