Dust separating apparatus

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing

Reexamination Certificate

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Details

C055S345000, C055S346000, C055S349000, C055SDIG030, C015S353000, C015S347000

Reexamination Certificate

active

07604674

ABSTRACT:
A dust separating apparatus for a vacuum cleaner includes a dust collection casing with an air inlet at a lower portion, a mesh filter formed on a bottom surface of the dust collection casing to firstly filter the contaminant from the drawn-in air, a plurality of cyclones formed in parallel in the dust collection casing to secondly filter the contaminant in the air drawn in via the air inlet, and a dust collection part formed at one side of the plurality of cyclones to collect the contaminant separated from the air. The air flowed in the air inlet formed at the lower portion of the dust collection casing is sequentially discharged via the mesh filter formed on the bottom surface of the dust collection casing and the plurality of cyclones.

REFERENCES:
patent: 2006/0037479 (2006-02-01), Song et al.
patent: 20306405 (2003-08-01), None
patent: 1488729 (2004-12-01), None
patent: 2406066 (2005-03-01), None
patent: 2406066 (2005-03-01), None
patent: 46-31072 (1971-09-01), None
patent: 57-149852 (1982-09-01), None
patent: 58-68249 (1983-05-01), None
patent: 2004-135700 (2004-05-01), None
patent: 2004135700 (2004-05-01), None
Machine translation of JPO of 2004-135700, 27 pages.
Office Action dated Apr. 26, 2007 from corresponding Russian Patent Application No. 2006104732.
Office Action dated Nov. 18, 2008 corresponding to Japanese Patent Application No. 2006-008938.

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