Gravel-or-the-like removing device

E - Fixed Constructions – 02 – F

Patent

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Details

E02F 3/88 (2006.01) E02F 3/92 (2006.01)

Patent

CA 2363623

The gravel-or-the-like removing device includes an impeller casing (16) which accommodates an impeller (17) driven by a motor (18) in the inside thereof and has a suction opening (13) at the center of the lower surface, a peripheral wall (20) for preventing collapse and inflow of gravel or the like which is constituted of a cylindrical body which has an upper end thereof connected to a lower portion of the impeller casing (16) and a lower end thereof opened downwardly and forms a water retention space (19) in the inside thereof, and a water suction pipe (27) which has an upper-end opening thereof opened in water above a gravel-or-the-like piled level(B1) and alower opening thereof communicably connected with the water retention space (19).

Le dispositif d'enlèvement de gravier ou de matériaux semblables comprend un caisson de turbine (16) qui dessert une turbine (17) entraînée par un moteur (18) à l'intérieur du dispositif et comporte une ouverture d'aspiration (13) au centre de la surface inférieure, une paroi périphérique (20) pour prévenir la rupture et l'entrée de gravier ou de matériaux semblables. Le dispositif est constitué d'un corps cylindrique muni d'une extrémité supérieure connectée à une partie inférieure du caisson de turbine (16) et une extrémité inférieure ouverte vers le bas et qui forme un espace de rétention d'eau (19) à l'intérieur du caisson, ainsi qu'un tuyau de succion d'eau (27) qui a une ouverture à l'extrémité supérieure contenant de l'eau au-dessus d'un niveau empilé de gravier ou de matériaux semblables (B1) et une ouverture inférieure connectée à l'espace de rétention d'eau (19).

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