F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 9/113 (2006.01) B01D 61/06 (2006.01)
Patent
CA 2412378
The invention concerns a method and an installation for filtering a liquid using a membrane filtering device. The invention concerns the technical field of making filtering devices, in particular semi-permeable devices. The invention is characterised in that a liquid pressurising pump (3, 4) comprises three pistons (24, 25, 26) connected to a common shaft and mounted mobile in translation in three aligned chambers (18a, 18b, 19a, 19b, 20a, 20b); two of said pistons (24, 26) are identical, and are coupled to the shaft (23) ends and divide a chamber (18, 20) into two cavities (18a, 18b, 20a, 20b).
La présente invention a pour objet un procédé et une installation de filtration d'un liquide utilisant un dispositif de filtration à membrane. Le secteur technique de l'invention est le domaine de la fabrication de dispositifs de filtration, en particulier de dispositifs à membrane semi- perméable. Selon l'invention, une pompe (3, 4) de pressurisation d'un liquide comporte trois pistons (24, 25, 26) liés à un arbre (23) commun et montés mobiles en translation dans trois chambres (18a, 18b, 19a, 19b, 20a, 20b) alignées; deux desdits pistons (24, 26) sont identiques, sont liés aux extrémités de l'arbre (23) et séparent un chambre (18, 20) en deux cavités (18a, 18b, 20a, 20b).
Goudreau Gage Dubuc
Marinzet Bernard
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