Patent ID: 7588038
Filing Date: 2009-09-15
Classification: A47L,B08B

Abstract:
1. A sump assembly for a dishwasher, comprising: a sump housing having a recess, that is formed at a bottom of the sump housing and holds a washing water; a pump provided in the recess of the sump housing and pumping the washing water held in the sump housing; a soil chamber housing disposed in the sump housing to be adjacent to the recess of the sump housing and controlling the pumped washing water, wherein a specified amount of the pumped washing water is provided to spray nozzles and the rest of the washing water not provided to the spray nozzles bypasses the spray nozzles; and a sensor assembly disposed in the soil chamber housing and measuring a level of contamination in the rest of the washing water that bypassed the spray nozzles.