A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 11/34 (2006.01)
Patent
CA 2217519
A cleaning device (16) includes a head (30) to enhance surface cleaning and drying. The head (30) includes a shell (32) to form an enclosed chamber (53) with the surface (18). A partition (80) divides the chamber (53) into an intake compartment (82) and an evacuation compartment (84). A row of nozzles is mounted to the shell to spray liquid cleaning solution into the intake compartment. Air enters the receiving sector through slots near the nozzles and between a forward portion of the shell and the floor, and is drawn beyond the partition into the evacuation compartment by a vacuum source. Each of the nozzles generates a sheet-like, fan-shaped spray patterns. The nozzles are arranged to form adjacent spray patterns that overlap one another longitudinally (lengthwise of the elongate shell) but are separated from one another to avoid interference between adjacent spray patterns. In one particularly advantageous arrangement, the nozzles are angularly offset from the lengthwise direction to from parallel spray patterns that define air passages between them. The shell, particularly along and adjacent the surface being cleaned, is configured to promote air flow into the intake compartment while resisting air passage into the evacuation compartment.
Cette invention concerne un dispositif de nettoyage (16) comportant une tête (30) permettant d'améliorer le nettoyage et le séchage de surfaces. Cette tête (30) comprend une coquille (32) formant une chambre close (53) avec la surface (18). Une cloison (80) divise la chambre (35) en un compartiment d'entrée (82) et un compartiment d'évacuation (84). La paroi de la coquille (32) laisse passer l'air dans le compartiment d'entrée (82) tout en s'opposant au passage de l'air dans le compartiment d'évacuation (84). L'air pénètre à travers des fentes (78) et est entraîné au-delà de la cloison (80) jusque dans le compartiment d'évacuation (84). Des buses (44, 46, 48, 50) vaporisent une solution nettoyante dans le compartiment d'entrée (82). Chaque buse génère un jet de type voile et en forme d'éventail (54, 56, 58, 60), chacune d'entre elles étant disposée de manière à obtenir des jets qui se chevauchent les uns les autres dans le sens de la longueur de la coquille, mais séparés les uns des autres pour éviter les interférences entre jets adjacents. Dans une disposition, les buses se trouvent à des angles décalés par rapport à la direction donnée par la longueur, ceci de manière à former des jets parallèles définissant entre eux des passages pour l'air.
Cho Sung K.
Grave Dale L.
Cfr Corporation
Sim & Mcburney
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