Cyclone dust collector and vacuum cleaner therewith

Details Cyclone dust collector and vacuum cleaner therewith Cyclone dust collector and vacuum cleaner therewith

2007-11-06

2007-11-06

Hopkins, Robert (Department: 1724)

Gas separation

With separated gas outflow control

Baffle or flow guide

C055S429000, C055S459100, C055SDIG030

Reexamination Certificate

active

11006455

ABSTRACT:
A cyclone dust collector and a vacuum cleaner having the same. The cyclone dust collector has a cyclone body shaped to have a relatively wider upper portion and a relatively narrower lower portion and also has a suction port and a discharge port, a grill member connected to the discharge port, a dust receptacle connected to the cyclone body, and a blocking member for partially blocking the grill member. Air drawn in through the suction port moves in an increasingly wider radial path as it travels upwardly to the discharge port, increasing the centrifugal force on suspended particles as they travel toward the discharge port. The shape of the cyclone body prevents turbulent flow from being generated. Dust is prevented by the blocking member from attaching to the grill member before being centrifuged, performance of the grill member is enhanced.

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Official Action from the German Patent and Trademark Office, Mar. 2007.
Chinese Office Action and English translation, Nov. 2006.
Australian Office Action, Dec. 2006.

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