Patent ID: 8622065
Filing Date: 2014-01-07
Classification: A47L

Abstract:
1. A dish washer comprising: a tub to receive dishes; an upper arm and a lower arm provided in the tub to spray water; a sump having a collection part that provides a space that collects and stores wash water; a housing assembly provided inside the collection part, wherein the housing assembly comprises: a connection housing having a first hole to communicate with the upper arm and a second hole to communicate with the lower arm; an upper housing coupled to a lower side of the connection housing and including a first main flow channel connecting the first hole with a first inlet and a second main flow channel connecting the second hole with a second inlet, wherein the first inlet and the second inlet are provided in the same plane; a lower housing coupled to a lower side of the upper housing and having a pump compartment communicating with the collection part and a flow channel control compartment located under the first inlet and the second inlet to surround the first inlet and the second inlet; an impeller provided in the pump compartment to pump the wash water in the collection part to the flow channel control compartment; and a flow channel control valve comprising: a flow channel opening/closing plate formed in a shape of disc and rotatably provided in the flow channel control compartment; a first communication hole and a second communication hole provided in the same plane of the flow channel opening/closing plate to selectively or simultaneously open the first inlet and the second inlet when the flow channel opening/closing plate is rotated.