Cup washer

A cup washer configured to wash a cup by spraying water into a tub, the cup washer comprising:

• an additive storage part configured to store an additive in a storage space;
• and
• an additive supply part configured to supply the additive into the tub,
• wherein the additive supply part comprises:
• an additive pump disposed below the additive storage part;
• a first additive supply pipe configured to connect a lower portion of the additive storage part to an inlet of the additive pump to provide a first supply passage through which the additive of the additive storage part moves toward the inlet of the additive pump;
• and
• a second additive supply pipe connected to an outlet of the additive pump to provide a second supply passage through which the additive discharged from the outlet of the additive pump located under the inlet moves,
• wherein the first additive supply pipe and the inlet are connected at a predetermined angle,
• wherein the first additive supply pipe and the second additive supply pipe are configured as a single supply pipe, and
• wherein the first supply passage and the second supply passage are partitioned by a pipe wall located between heights of the inlet and the outlet.