Gas separation: processes – Deflecting – Centrifugal force
Reexamination Certificate
2006-04-26
2009-06-16
Hopkins, Robert A (Department: 1797)
Gas separation: processes
Deflecting
Centrifugal force
C055S343000, C055S348000, C055S424000, C055S429000, C055SDIG030, C015S350000, C015S353000
Reexamination Certificate
active
07547351
ABSTRACT:
A multi-cyclone dust collector including at least one first cyclone forcing contaminants-laden air that is entered into a lower portion of the at least one first cyclone to whirl so as to centrifugally separate contaminants from the contaminants-laden air; and at least one second cyclone being disposed around the at least one first cyclone, the at least one second cyclone forcing semi-clean air that is discharged from the at least one first cyclone and is entered into a lower portion of the at least one second cyclone to whirl so as to centrifugally separate fine contaminants from the air.
REFERENCES:
patent: 4373228 (1983-02-01), Dyson
patent: 2002/0116907 (2002-08-01), Gammack et al.
patent: 2005/0050863 (2005-03-01), Oh
patent: 2007/0079584 (2007-04-01), Kim et al.
patent: 1654002 (2005-08-01), None
patent: 102004034015 (2005-09-01), None
patent: 0018197 (1980-10-01), None
patent: 1371318 (2003-12-01), None
patent: 2778546 (1999-11-01), None
patent: 08-322768 (1996-12-01), None
patent: WO 01/95780 (2001-12-01), None
Office Action dated Oct. 17, 2008 corresponding to Chinese Patent Application No. 200610092253.1.
Search Report dated Nov. 8, 2007 corresponding to European Patent Application No. 06291062.5.
Office Action dated Jul. 3, 2007 from corresponding Russian patent Application No. 2006120286.
Han Jung-gyun
Kim Tak-soo
Oh Jang-keun
Hopkins Robert A
Ohlandt Greeley Ruggiero & Perle L.L.P.
Samsung Gwangju Electronics Co. Ltd.
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