The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2001
Filed:
Apr. 29, 1999
Dean Rohn, Cadillac, MI (US);
Steven Ray Selewski, Cadillac, MI (US);
William R. Daws, Honolulu, HI (US);
Rexair, Inc., Troy, MI (US);
Abstract
A vacuum cleaner assembly (,) includes a main housing (,) having an inlet (,) and an outlet (,). A motor (,) is disposed within the main housing (,) for providing motive force to a cooling fan (,), a blower (,), and a separator (,). The separator (,) circulates the air and water bath (,) within a water bath pan (,) and provides, in combination with the water bath (,), a primary filter for filtering the air. A second filter assembly (,) is also provided preferably including a high efficiency filter (,or,), or HEPA rated filter, for filtering microscopic dust and dirt particles that escape the separator (,) and water bath (,) and is disposed after both the water bath (,) and the separator (,) for additional filtering of the air. Alternatively, it may be a non-HEPA rated filter (,). The second filter assembly (,) may also include a third filter element, which may be a carbon impregnated filter (,) for absorbing or trapping odors and is disposed in the air flow path after the second filter (,, or,). The second filter (,or,) and third filter (,) element are secured in a frame (,) as part of the second filter assembly (,). The second filter (,or,) and the carbon impregnated filter (,) within the frame (,) are disposed in a recess (,) which is integral with the main housing (,) allowing for direct and efficient flow of the air through the water bath (,), separator (,), and second filter assembly (,).