Dishwasher having sound attenuating structures

A - Human Necessities – 47 – L

Patent

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A47L 15/42 (2006.01) D06F 39/12 (2006.01)

Patent

CA 2749914

A dishwasher (10) including one or more laminated structures for attenuating sound. The laminated structures may include a layer of an acoustic tape (240,488,1140) having a plurality of bi-direction fibers, bi-directional polymerfibers (244), configured to redirect and convert sound generated by the dishwasher (10) into heat such that the sound perceivable outside the dishwasher (10) is reduced. The laminated structures may further in-clude one or more foam layers (210,230) for absorbing sound and one or more vinyl layers (220) for converting sound into heat. Panels of the laminated structures may be positioned in, around, and along the toe plate assembly (300), the door assembly (50,390,400,450,500,940,1150,4) the base and tub of the dishwasher (10), and framing elements of said dishwasher (10).

L'invention porte sur un lave-vaisselle (10) comprenant une ou plusieurs structures stratifiées pour une atténuation acoustique. Les structures stratifiées peuvent comprendre une couche d'une bande acoustique (240, 488, 1140) comportant une pluralité de fibres bidirectionnelles, des fibres polymères bidirectionnelles (244) configurées pour rediriger et convertir le son généré par le lave-vaisselle (10) en chaleur, de telle sorte que le son perçu à l'extérieur du lave-vaisselle (10) est réduit. Les structures stratifiées peuvent comprendre en outre une ou plusieurs couches de mousse (210, 230) pour absorber le son et une ou plusieurs couches de vinyle (220) pour convertir le son en chaleur. Des panneaux des structures stratifiées peuvent être positionnés dans, autour et le long de l'ensemble plainte (300), de l'ensemble porte (50, 390, 400, 450, 500, 940, 1150, 4), de la base et de la cuve du lave-vaisselle (10), et des éléments de châssis dudit lave-vaisselle (10).

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