Compact central vacuum unit

Gas separation – With gas flow effecting means

Reexamination Certificate

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Details

C055S337000, C055SDIG030, C055S428000, C055S429000, C055S472000, C055S473000, C015S353000

Reexamination Certificate

active

07615090

ABSTRACT:
A central vacuum unit comprises a cyclonic chamber having a sidewall. A motor causes a swirl of air loaded with debris to centrifugally contact an inner surface of the sidewall of the cyclonic chamber. A lateral outlet is defined through the sidewall to provide for lateral discharge of the debris from the cyclonic chamber.

REFERENCES:
patent: 5922093 (1999-07-01), James et al.
patent: 6432154 (2002-08-01), Oh et al.
patent: 6436160 (2002-08-01), Stephens et al.
patent: 6640385 (2003-11-01), Oh et al.
patent: 6775882 (2004-08-01), Murphy et al.
patent: 6804857 (2004-10-01), Olewiler, III
patent: 6810558 (2004-11-01), Lee
patent: 7300482 (2007-11-01), North
patent: 2002/0124538 (2002-09-01), Oh et al.
patent: 2005/0223520 (2005-10-01), Greene et al.
patent: 2006/0037291 (2006-02-01), Oh et al.

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