Water recirculator in dishwasher

A water recirculator in a dishwasher, comprising:

• a sump that holds water;
• a water supply pump connected to the sump that pumps water from the sump;
• a housing including a guide passage that guides part of the water pumped from the sump to a spray arm in a washing chamber, and a reservoir provided at the same height as the guide passage that holds water;
• a bypass that guides a remaining part of the water pumped from the sump to the reservoir;
• a drain pump connected to the bypass that purifies the remaining part of the water which is guided to the reservoir, and which is connected to the sump and drains water from the sump;
• and
• a cover provided on the housing, and including a main filter for purifying water which overflows from the reservoir and returns to the sump,
• wherein coarse contaminants in the remaining part of the water are precipitated in an inner space of the drain pump.

A water recirculator in a dishwater, comprising:

• a sump that holds water used in cleaning dishes in a dishwasher;
• a water supply pump that pumps water from the sump to a bypass and a guide passage connected to the water supply pump;
• a spray arm that sprays water pumped by the water supply pump to the guide passage to clean dishes in the dishwasher;
• a drain pump connected to the bypass, the drain pump draining coarse contaminants in the water pumped by the water supply pump through the bypass;
• and
• a main filtering unit connected to the drain pump by the bypass, the main filtering unit purifying water returning to the sump,
• wherein the coarse contaminants are precipitated in a precipitating space connected to the bypass, the drain pump is disposed below the main filtering unit, and has an impeller and an impeller housing, and the precipitating space is an inner space of the impeller housing.