Vacuum cleaner with cyclonic separation

Details Vacuum cleaner with cyclonic separation Vacuum cleaner with cyclonic separation

2006-11-28

2006-11-28

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S350000, C015S353000

Reexamination Certificate

active

07140068

ABSTRACT:
A cyclone outlet assembly with a frusto-conical dirt blocking plate minimizes clogging at the outlet of the cyclone separator. An upright vacuum cleaner with a cyclone separator is mounted on and in fluid communication with an elongated rigid tube that forms part of a working air conduit and also forms part of an upright handle that is pivotally mounted to a base module with a suction nozzle upstream from a conventional bag filter in a dirty air or clean air dust collection vacuum cleaner.

REFERENCES:
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patent: 5254147 (1993-10-01), Finke
patent: 6146434 (2000-11-01), Scalfani et al.
patent: 6195835 (2001-03-01), Song et al.
patent: 6256833 (2001-07-01), Steinberg
patent: 6766558 (2004-07-01), Matsumoto et al.
patent: 6868578 (2005-03-01), Kasper et al.
patent: 2002/0062632 (2002-05-01), Oh
patent: 2002/0092283 (2002-07-01), Oh et al.
patent: WO 97/12660 (1997-04-01), None
patent: WO 01/05291 (2001-01-01), None

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