Universal vacuum filter cartridge

Details Universal vacuum filter cartridge Universal vacuum filter cartridge

2006-05-23

2006-05-23

Greene, Jason M. (Department: 1724)

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

C055S385100, C055S486000, C055S487000, C055S497000, C055S503000, C055S510000, C055S521000, C055S529000, C055SDIG030, C015S347000

Reexamination Certificate

active

07048773

ABSTRACT:
A filter cartridge assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. The filter cartridge fits in a chamber where a motor and bell housing provides a vacuum on the outlet of the filter cartridge thus drawing air from the inlet to the outlet, and at least a first filter is arranged between the inlet and the outlet for filtering the air. The air must pass through one or more filter layers before exiting to the motor and bell housing. The described filter cartridge functions within the body of several vacuum cleaning machines.

REFERENCES:
patent: 4390354 (1983-06-01), Witchell
patent: 4613348 (1986-09-01), Natale
patent: 4745654 (1988-05-01), Yamamoto et al.
patent: 4989292 (1991-02-01), Hwang
patent: 4995891 (1991-02-01), Jaynes
patent: 5417729 (1995-05-01), Greenleaf, Sr.
patent: 5489352 (1996-02-01), Spearman
patent: 6171375 (2001-01-01), Howie
patent: 6179903 (2001-01-01), Muller
patent: 6436160 (2002-08-01), Stephens et al.
patent: 6610116 (2003-08-01), Avery
patent: 2004/0206238 (2004-10-01), Allgeier

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