Vacuum pump

F - Mech Eng,Light,Heat,Weapons – 04 – F

Patent

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Details

F04F 7/00 (2006.01)

Patent

CA 2351677

The invention concerns a vacuum pump comprising a chamber (1) having, on one side an intake (2) for pumping gas and, on the opposite side, an outlet (3) for said gas, displacing means (4) being provided to drive said gas from the intake (1) towards the outlet (3), said displacing means (4) including at least a vibrating element (4) for generating sound waves moving in said chamber (1), means for closing (6) the outlet being provided synchronously co-operating with the displacement means (4) so as to clear the outlet opening (3) when the gas pressure in the proximity of said outlet (3) is higher than that in the proximity of the intake (2).

Pompe à vide comprenant une enceinte (1) présentant, d'un côté, une ouverture d'entrée (2) pour le gaz à pomper et, du côté opposé, une ouverture de sortie (3) de ce gaz, des moyens de déplacement (4) étant prévus pour faire mouvoir ce gaz à partir de l'ouverture d'entrée (2) vers l'ouverture de sortie (3), ces moyens de déplacement (4) comprenant au moins un élément vibrant (4) permettant de créer des ondes sonores se mouvant dans cette enceinte (1), des moyens de fermeture (6) de l'ouverture de sortie (3) étant prévus coopérant en synchronisme avec les moyens de déplacement (4) d'une manière telle à dégager l'ouverture de sortie (3) au moment où la pression du gaz près de cette ouverture (3) est supérieure à celle près de l'ouverture d'entrée (2).

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