Vacuum cleaner filter shaker

Details Vacuum cleaner filter shaker Vacuum cleaner filter shaker

A - Human Necessities

47

L

A47L 9/10 (2006.01) A47L 9/20 (2006.01) B01D 46/02 (2006.01)

Patent

CA 2186311

A filter shaking arrangement includes a resilient frame disposed around an expandable filter, both of which are expanded by a fan induced air flow. The resilient frame returns resiliently to its original form upon the cessation of this air flow. This contraction of the resilient frame tends to dislodge dirt adhering to the filter as it also is forced back to its original shape.

Filtre à auto-décolmatage constitué d'un cadre élastique entourant un élément filtrant expansible. Le cadre et l'élément filtrant sont étirés par l'action d'un courant d'air généré par un ventilateur. Lorsque le courant d'air cesse d'opérer, le cadre élastique reprend sa forme d'origine, de même que l'élément filtrant, ce qui provoque le détachement des impuretés adhérant à l'élément filtrant.

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