Dust separating apparatus of vacuum cleaner

Gas separation – Multiple separators – each with discrete and longitudinally... – Centrifugal

Reexamination Certificate

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Details

C055S429000, C055SDIG030

Reexamination Certificate

active

07806950

ABSTRACT:
A dust separating apparatus of a vacuum cleaner includes cyclone units connected such that air passes from one cyclone unit to another cyclone unit in sequence. Each of the cyclone units receives air, swirl the air, and separate dust from the air. The cyclone units are placed within another cyclone unit from which it receives the air.

REFERENCES:
patent: 1897195 (1933-02-01), Peter Howden
patent: 6485536 (2002-11-01), Masters
patent: 101 10 581 (2001-11-01), None
patent: 0 728 435 (1996-08-01), None
patent: 1 676 516 (2006-07-01), None
patent: 1 776 910 (2007-04-01), None
patent: 2 362 341 (2001-11-01), None
patent: 2002 326041 (2002-11-01), None
patent: 2002-326041 (2002-12-01), None
patent: 2001/0104810 (2001-11-01), None
patent: 1020020071045 (2002-09-01), None

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