Patent ID: 8905052

Claim:
A dishwasher ( 1 ) comprising a tub ( 2 ) wherein the washing process is performed, a sump ( 3 ) wherein the water in the tub ( 2 ) is collected during the washing process, at least one spray arm ( 4 , 104 ) for spraying the wash water on the objects arranged in the baskets, at least one water supply line ( 7 , 107 ) for delivering the wash water to the spray arms ( 4 , 104 ), an ozone generator ( 8 ) that generates ozone gas and an ozone supply line ( 9 ), with one end connected to the ozone generator ( 8 ) and the other end connected to the tub ( 2 ) and an ozone spray arm ( 10 ) connected to the end of the ozone supply line ( 9 ) opening into the tub ( 2 ) and maintaining to deliver the ozone gas by dispersing on the objects in the tub ( 2 ) and a dedicated motor ( 11 ) only used for rotating the ozone spray arm ( 10 ); wherein the ozone gas is directly applied on the washed objects without mixing with water in the sump and in the lines supplying water to the spray arms.