Compact cyclonic separation device

Details Compact cyclonic separation device Compact cyclonic separation device

2008-04-08

2008-04-08

Hopkins, Robert A. (Department: 1724)

Gas separation

With concentrate backflow or re-entrainment preventing means

Baffle intermediate concentrate collector zone and gas...

C055S459100, C055SDIG030

Reexamination Certificate

active

11009307

ABSTRACT:
A cyclonic separation device for a vacuum cleaner including a cylindrical housing, an inlet tube parallel to the axis of the housing having a vortex vane disposed axially in the inlet tube. Air rotates in one direction in the inlet tube, and preferably in the opposite direction in the housing. The housing includes a cylindrical sidewall with an upper central outlet tube and a closed bottom for collecting separated dirt. A disrupter ring located on the inside wall of the middle portion of the housing includes a curved surface and sharp edge for lifting air flow off the housing wall. An outlet tube disc spaced from the inlet of the outlet tube is located in the housing below the disrupter ring.

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patent: WO 99/42198 (1999-08-01), None
patent: WO 02/069778 (2002-09-01), None

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