Patent ID: 8789544
Filing Date: 2014-07-29
Classification: A47L

Abstract:
1. A dishwasher, comprising: a casing; a tub installed inside the casing; and the filter assembly having a plate filter and a cylindrical filter formed through the plate filter, wherein the cylindrical filter comprises: an external filter that covers the internal filter, wherein the internal filter and the external filter are spaced apart from each other by a certain interval, wherein a cutout opening is longitudinally formed at a side of the external filter and internal filter, respectively, and both the cutout openings communicate with a drain hole formed in the tub, wherein the cutout opening of the internal filter and the cutout opening of the external filter are formed at positions corresponding to each other, wherein a plurality of ribs protrudes from a circumferential portion of the cutout opening of the external filter and external ends of the plurality of ribs contact an internal wall of the tub, wherein a fluid passage is formed by the plurality of ribs that connects an inside of the cylindrical filter and the drain hole, and wherein the plate filter comprises: