Cyclonic separator for separating particles from an airflow...

Details Cyclonic separator for separating particles from an airflow... Cyclonic separator for separating particles from an airflow...

2004-07-28

2009-11-10

Hopkins, Robert A (Department: 1797)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S408000, C055S409000, C055S457000, C055S459100

Reexamination Certificate

active

07615088

ABSTRACT:
A cyclonic separator for separating particles and/or liquids from an airflow using means for causing the air to follow a cyclonic flow pattern through the separating chamber (12; 112; 212) and around an axis (17; 117) for causing cyclonic separation of a least a portion of the particles and/or liquids from the airflow within the separating chamber (12; 112; 212). An interior surface portion of a drum (18; 118; 218) bounding the separating chamber (12; 112; 212) and extending circumferentially around the axis (17; 117) is rotatable about the axis (17; 117) so that separation of particles and/or liquid from the airflow is improved. A vacuum cleaner including such a separator is also described.

REFERENCES:
patent: 3655058 (1972-04-01), Novak
patent: 6090174 (2000-07-01), Douma et al.
patent: 2002/0148071 (2002-10-01), Lee et al.
patent: 19829079 (2000-01-01), None
patent: 199823381 (1998-06-01), None
patent: 200032297 (2000-06-01), None

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