Patent ID: 8794039

Claim:
A washing machine comprising: a cabinet defining an exterior of the washing machine; a drum provided in the cabinet for holding laundry and for rotating the laundry held therein; a tub provided in the cabinet for holding wash water, wherein the tub holds the drum; a gasket provided between the cabinet and the tub; a spray nozzle provided at an upper portion of the gasket to spray wash water supplied from an external water source into the drum; a circulation nozzle provided at an upper portion of the gasket to spray circulating wash water into the drum; a pump for circulating the wash water in the tub; and a circulation flow path disposed to connect the pump and the circulation nozzle, wherein the spray nozzle comprises: a dome having a receiving space therein; and a core provided in the receiving space and formed of a twisted plate to form a plurality of twisted flow paths together with the receiving space, wherein the wash water passing through the plurality of twisted flow paths is changed to whirling water, wherein the circulation nozzle comprises: a main body having a flow path through which the circulating wash water passes; and a bent surface, wherein the circulating wash water having passed through the circulation flow path of the main body runs against the bent surface and is sprayed therefrom.