Outlet priming self-evacuating vacuum cleaner

Details Outlet priming self-evacuating vacuum cleaner Outlet priming self-evacuating vacuum cleaner

A - Human Necessities

47

L

A47L 5/00 (2006.01) A47L 5/36 (2006.01) A47L 7/00 (2006.01)

Patent

CA 2347889

A vacuum cleaner has an electric motor driving an air impeller for creating suction and a pump which draws liquid material through an inlet tube from the bottom of a tank and expels it from the tank. A priming mechanism is disposed in fluid communication with the outlet portion of the pump. The priming mechanism primes the pump from the outlet side of the pump by collecting liquid received by the tank of the vacuum cleaner in the priming mechanism and establishing a pressure differential across this collected liquid.

L'invention concerne un aspirateur qui comporte un moteur électrique entraînant une turbine à air pour créer une aspiration, et une pompe qui aspire le matériau liquide par un tube d'entrée, depuis le fond d'un réservoir, pour ensuite l'expulser de ce dernier. Un mécanisme d'amorce est placé en communication par le fluide avec la sortie de la pompe. Ce mécanisme d'amorce amorce la pompe à partir de la sortie de la pompe en collectant le liquide reçu par le réservoir de l'aspirateur dans le mécanisme d'amorce, et en établissant un différentiel de pression dans ce liquide collecté.

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