A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 15/50 (2006.01)
Patent
CA 2723326
A dishwasher with a height-adjustable upper rack carries a spray arm having a horizontal manifold tube that engages in a port of a check valve assembly coupled with a vertical main feed tube for supplying wash water to the spray arm. The check valve assembly defines a plurality of ports such that the manifold tube can engage a different one of the ports depending on the vertical position of the rack. The check valve assembly has flapper valves that pivot about horizontal axes and hang downwardly therefrom such that gravity tends to move the flapper valves toward their closed positions when the manifold tube is withdrawn from the ports.
Selon l'invention, un lave-vaisselle possédant un panier supérieur à hauteur réglable supporte un bras de pulvérisation à tube collecteur horizontal qui se couple à un orifice d'un ensemble clapet anti-retour couplé à un tube d'alimentation principal, vertical pour alimenter en eau de lavage le bras de pulvérisation. L'ensemble clapet anti-retour définit plusieurs orifices de sorte que le tube collecteur puisse se coupler aux différents orifices en fonction de la position verticale du panier. L'ensemble clapet anti-retour comprend des soupapes à clapet qui pivotent autour d'axes horizontaux et pendent vers le bas à partir de l'ensemble de sorte que la gravité tende à déplacer les soupapes à clapet vers leurs positions fermées lorsque le tube collecteur est retiré des orifices.
Burrows James Laurence
Hermann Heinz T.
Nagel Douglas Jon
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Electrolux Home Products Inc.
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