Dust collection unit of vacuum cleaner

Details Dust collection unit of vacuum cleaner Dust collection unit of vacuum cleaner

2005-09-23

2009-02-10

Hopkins, Robert A (Department: 1797)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S343000, C055S346000, C055S426000, C055S429000, C055SDIG030

Reexamination Certificate

active

07488363

ABSTRACT:
A dust collecting unit of a vacuum cleaner is provided. The dust collecting unit includes: a plurality of storing chambers and a plurality of filtering chambers provided in the inside of a multi-cyclone dust collecting unit. To improve reliability of the product, the storing chambers and the filtering chambers are integrally formed as one body.

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patent: 2 236 813 (2004-09-01), None
patent: WO 03/030702 (2003-04-01), None

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