Cyclone dust-collector

Details Cyclone dust-collector Cyclone dust-collector

2006-10-31

2006-10-31

Hopkins, Robert A. (Department: 1724)

Gas separation

Multiple separators, each with discrete and longitudinally...

Combined serial and parallel arrangement

C055S346000, C055S349000, C055S429000

Reexamination Certificate

active

07128770

ABSTRACT:
A cyclone dust-collector which filters out dust and dirt from drawn-in air at least two times, comprising a multiple cyclone unit having a first cyclone and a plurality of second cyclones arranged at the outside of the first cyclone, for centrifugally separating the dust and dirt from the drawn-in air; a cover unit connected to the upper portion of the multiple cyclone unit, for allowing the first and the second cyclones to separating communicate with each other; and a dirt-collecting unit connected to the lower portion of the multiple cyclone unit, for collecting therein the dust and dirt centrifugally separated.

REFERENCES:
patent: 3769781 (1973-11-01), Klein et al.
patent: 6607572 (2003-08-01), Gammack et al.
patent: 2005/0172586 (2005-08-01), Oh et al.
patent: 2005/0251951 (2005-11-01), Oh et al.
patent: WO 02/067750 (2002-09-01), None
Great Britain Search Report dated Nov. 17, 2004.
Australian Search report dated Feb. 3, 2006 in connection with corresponding Australian Application No. 2004202434.

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