Submerged-surface cleaning apparatus with angled filtration...

E - Fixed Constructions – 04 – H

Patent

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E04H 4/16 (2006.01)

Patent

CA 2709870

The invention relates to a submerged-surface cleaning apparatus comprising a hollow body and members for driving said body over the submerged surface, a filtration chamber created in said hollow body and having a liquid inlet and a liquid outlet, a hydraulic circuit for the circulation of liquid between the inlet and outlet through a filtering device, characterized in that said filtering device comprises an opening in communication with the liquid inlet and a filtration and debris-collecting volume (55) delimited by filtering walls (56, 57, 58, 59) and which extends towards the liquid outlet, said volume (55) having a cross section that decreases in magnitude from the opening towards the liquid outlet so as to form a convergent filtration space of the type tangential to the liquid.

L'invention concerne un appareil nettoyeur de surface immergée comprenant un corps creux et des organes d'entraînement dudit corps sur la surface immergée, une chambre de filtration ménagée dans ledit corps creux et présentant une entrée de liquide et une sortie de liquide, un circuit hydraulique de circulation de liquide entre l'entrée et la sortie à travers un dispositif de filtrage caractérisé en ce que ledit dispositif de filtrage comprend une ouverture en communication avec l'entrée de liquide et un volume (55) de filtration et de récupération des débris délimitée par des parois (56, 57, 58, 59) filtrantes et qui s'étend vers la sortie de liquide, ledit volume (55) présentant une section droite transversale décroissante de l'ouverture vers la sortie de liquide de façon à former une enceinte convergente de filtration du type tangentielle du liquide.

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