JET UNIT, JET NOZZLE AND MANUFACTURING METHOD THE SAME AND DISH WASHING MACHINE HAVING THE SAME

摘要

A dishwasher of the present invention comprises: a cabinet forming an external appearance; a wash tank provided inside the cabinet wherein dish washing is performed; and an injection nozzle injecting washing water to the wash tank. The injection nozzle comprises: a nozzle inner wall which is provided therein; forms a flow path in order for the washing water to pass therethrough; and has a plurality of flow path inner walls with an arc-shaped cross section perpendicular to the proceeding direction of the washing water. The configuration described above is capable of enhancing a jet force and a washing efficiency.