Vacuum cleaner filter cleaning mechanisms

A - Human Necessities – 47 – L

Patent

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Details

A47L 9/20 (2006.01) A47L 9/28 (2006.01)

Patent

CA 2574750

A vacuum cleaner comprises an inlet for dirty air, an outlet for clean air, a filter located in fluid communication between the inlet and the outlet, a first motor, a fan driven by the first motor for moving air from the inlet through the filter to the outlet, an electrical power supply for supplying power to the first motor, an electrically powered filter cleaning mechanism for removing dirt from the filter, a user-operated switch for activating the filter cleaning mechanism, whereby operation of the switch results in operation of the filter cleaning mechanism, and a timing device, wherein operation of the switch activates the filter cleaning mechanism and the timing device, and the timing device subsequently deactivates the filter cleaning mechanism.

Aspirateur comprenant un orifice d'entrée pour l'air souillé, un orifice de sortie pour l'air propre, un filtre placé en communication fluidique entre l'entrée et la sortie, un premier moteur, un ventilateur entraîné par le premier moteur pour aspirer l'air par l'entrée, le faire passer dans le filtre et le rejeter par la sortie, un bloc électrique pour alimenter le premier moteur, un mécanisme électrique de nettoyage du filtre pour retirer la saleté du filtre, un commutateur commandé par l'utilisateur pour activer le mécanisme de nettoyage du filtre, l'utilisation du commutateur entraînant le fonctionnement du mécanisme de nettoyage du filtre et, enfin, une minuterie, l'utilisation du commutateur entraînant le fonctionnement du mécanisme de nettoyage du filtre et de la minuterie, la minuterie désactivant par la suite le mécanisme de nettoyage du filtre.

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