Hand-held portable vacuum cleaner
A hand-held vacuum cleaner (10a) with a container (12) for the storage of dirt and debris therein. To provide improved efficiency and performance, the hand-held vacuum may employ a primary HEPA filter (414), a device (22) for swirling a dirt and debris laden air flow and/or a mechanized filter clean...
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| creator | ANDREW WALKER MICHAEL MILLIGAN XIANYAO SHEN TED A. KIMBALL PATRICK W. MOONEY |
| description | A hand-held vacuum cleaner (10a) with a container (12) for the storage of dirt and debris therein. To provide improved efficiency and performance, the hand-held vacuum may employ a primary HEPA filter (414), a device (22) for swirling a dirt and debris laden air flow and/or a mechanized filter cleaning device. Swirling may be employed to direct entrained dirt and debris in a desired direction relative to the container to slow the rate with which dirt and debris accumulates on the primary filter and/or to centrifugally remove dirt and debris from the air flow. Mechanized cleaning is employed to shake, scrape or otherwise remove accumulated dirt and debris from the primary filter. |
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| language | eng |
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| subjects | COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES SPICE MILLS SUCTION CLEANERS IN GENERAL |
| title | Hand-held portable vacuum cleaner |
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