B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/06 (2006.01) F04B 9/115 (2006.01)
Patent
CA 2420125
The invention relates to a pump comprising two end chambers (2, 3) which house pistons (4, 5) that pump seawater to a reverse osmosis membrane (7) and a central chamber (8) which houses a slide part that is actuated by the movement of the pistons (4 and 5), thereby controlling a directional valve (9). Said pump can be used to reverse alternatively the entry of the external pressure toward the rear zones of the end chambers (2, 3) and the entry of the pressure of the water driven back by the membrane toward the rear zones of said chambers (2, 3).
La présente invention concerne une pompe pour systèmes de désalinisation, comprenant deux chambres d'extrémité (2, 3) logeant des pistons (4, 5) respectifs destinés à pomper l'eau de mer vers une membrane d'osmose inverse (7), et une chambre centrale (8) renfermant une pièce mobile mise en mouvement par les pistons (4, 5), servant à commander une valve directionnelle (9). Cette pompe permet d'inverser de façon alternative l'entrée de pression extérieure vers les zones antérieures des chambres d'extrémité (2, 3) et l'entrée de pression de l'eau repoussée par la membrane vers les zones postérieures desdites chambres (2, 3).
Bolsaplast S.a.
Finlayson & Singlehurst
LandOfFree
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