A new filtering apparatus (Machine-translation by Google Translate, not legally binding)

摘要

A new filtering device, characterized in that it essentially comprises a hollow and external hollow body, which contains inside it another hollow body substantially coaxial with the first and one of whose ends is open constituting the mouth of the entrance of the apparatus, both bodies being joined, one of its ends, by means of a cover that leaves in communication the external environment with the central hollow of the aforementioned internal body, with the particularity that the intermediate cavity comprises between the walls of the two hollow bodies, contains in its area that remains mostly far from the open end of the internal body, a filtering body folded in star around the internal hollow body, while in the area closest to the entrance mouth of the apparatus is constituted in the same intermediate cavity referred to above, a buffer chamber and between this chamber and the filtering body opens, in this same intermediate cavity, the suction channel ettingupthe gaseous fluid filter. (Machine-translation by Google Translate, not legally binding)