Air filter

Details Air filter Air filter

2005-08-09

2005-08-09

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

Liquid contacting

And deflection

C095S226000, C055S462000, C096S279000, C096S306000, C096S348000, C096S351000

Reexamination Certificate

active

06926759

ABSTRACT:
An air filter baffle unit that works with large type canister wet/dry type vacuums. The baffle unit also can be used in large air filter systems and can be ganged to increase filtering. The baffle unit has two sections that are connected for use. An inlet pipe is connected to the inlet of the vacuum. This inlet pipe directs the incoming dirt into the baffle unit, where it encounters a number of baffles and a water reservoir before it is expelled as clean air. In this baffle unit, there is no need for paper or other types of filters that must be periodically replaced. In this way, the baffle unit provides a simple, effective mechanism for filtering air using the wet/dry vacuum. The baffle unit can be also placed in an air filtering system that has a housing, an inlet and an outlet.

REFERENCES:
patent: 2076815 (1937-04-01), Fulweiler
patent: 3296777 (1967-01-01), Jackson et al.
patent: 4623366 (1986-11-01), Berfield et al.
patent: 5078759 (1992-01-01), Kira
patent: 5215560 (1993-06-01), Lee
patent: 5873930 (1999-02-01), Sanchez
patent: 5954863 (1999-09-01), Loveless et al.
patent: 6508867 (2003-01-01), Schoenewald et al.

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