Submerged-surface cleaning apparatus with angled pumping...

E - Fixed Constructions – 04 – H

Patent

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Details

E04H 4/16 (2006.01)

Patent

CA 2709896

The invention relates to a submerged-surface cleaning apparatus comprising a hollow body and members (2, 3, 4) for driving the body over the submerged surface, a filtration chamber created in the body and having: a liquid inlet (9) situated at the base of the body; a liquid outlet (10) situated on the opposite side to the base of the body; a hydraulic circuit for the circulation of liquid between this liquid inlet (9) and this liquid outlet (10) through a filtering device (11); a liquid pumping device (12, 13, 14) comprising a pumping motor (12) that has a rotary drive shaft (13) coupled to a pumping impeller (14) interposed in the hydraulic circuit, characterized in that the liquid outlet (10) is longitudinally offset from the liquid inlet (9) and in that the pumping impeller (14) has an axis of rotation (51) that is angled, making a non-zero angle other than 90° with the longitudinal direction.

L'invention concerne un appareil nettoyeur d'une surface immergée comprenant un corps creux et des organes (2, 3, 4) d'entraînement du corps sur la surface immergée, une chambre de filtration ménagée dans le corps et présentant : une entrée (9) de liquide située à la base du corps; une sortie (10) de liquide disposée à l'opposé de la base du corps; un circuit hydraulique de circulation de liquide entre cette entrée (9) et cette sortie (10) de liquide à travers un dispositif (11) de filtrage; un dispositif (12, 13, 14) de pompage de liquide comprenant un moteur (12) de pompage présentant un arbre (13) rotatif moteur accouplé à une hélice (14) de pompage interposée dans le circuit hydraulique caractérisé en ce que la sortie (10) de liquide est décalée longitudinalement de l'entrée (9) de liquide et que l'hélice (14) de pompage présente un axe (51) de rotation incliné faisant, avec la direction longitudinale, un angle non nul et différent de 90°.

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