Surface cleaner and retrieval unit

B - Operations – Transporting – 08 – B

Patent

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Details

B08B 7/04 (2006.01) B05B 3/06 (2006.01) B05B 3/18 (2006.01) B08B 3/02 (2006.01) B08B 3/14 (2006.01) E01H 1/10 (2006.01)

Patent

CA 2451044

This invention is directed to a cyclonic power system and method of using the system to clean flat surfaces. The cyclone power system includes a driven spindle (60) that is mounted for rotation about its longitudinal axis. There are a plurality of radially extending straight rods (54) extending from the spindle (60). Curved blades (52) are connected at one end to the spindle and at their other end to the free end of a straight rod. The centrifugal force, generated as a result of the rotation of the driven spindle is not effective to cause the straight rods, which are constructed of stainless steel, to lengthen and since the curved blades are connected to the straight rods, the centrifugal force is not effective to lengthen the curved blades. In an embodiment of the invention a perforated disc is secured to the bottom surface of the spindle and to the free ends of the straight rods. In this embodiment the water and debris is pulled up through the perforation in the disc. The perforated disc protects the rotary member from heavy projectiles that are lifted from the surface to be cleaned, adds to the stability to the rotary member and has eliminated of the need for the supports extending between the mid-portion of the curved blades and the straight rods. In addition to the above improvements the flow through the perforations in the disc is limited to the upward flow and once water laden with debris has passed through the perforations in the disc it remains above the disc and is swept to the discharge.

Cette invention concerne un système motorisé de type cyclone et son utilisation pour le nettoyage de surfaces planes. Ce système comprend un arbre mené (60) monté en rotation sur son axe longitudinal. Une pluralité de tiges droites (54) se déploient radialement à partir de l'arbre (60). Des lames incurvées (52) sont reliées par une extrémité à l'arbre et par leur autre extrémité à l'extrémité libre des tiges droites. La force centrifuge produite par la rotation de l'arbre mené n'est pas suffisante pour faire s'allonger les tiges droites, lesquelles sont faites d'acier inoxydable, de même qu'elle ne suffit pas à faire s'allonger les lames incurvées reliées aux tiges droites. Dans un mode de réalisation, un disque perforé est fixé sous l'arbre et aux extrémités libres des tiges droites. Dans ce mode de réalisation, l'eau et les débris sont aspirés au travers des perforations du disque. Ce disque perforé protège l'élément tournant contre les projectiles lourds soulevés de la surface de nettoyage, participe à la stabilité de l'élément tournant et rend superflu l'emploi de support entre la partie centrale des lames incurvées et les tiges droites. Abstraction faite des améliorations susdécrites, le flux au travers des perforation du disque ne se fait que vers le haut ; une fois qu'elle à traversé les perforations du disque, l'eau chargée de débris reste au-dessus du disque d'où elle est évacuée.

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