Household appliance

Abstract

A household appliance, such as a dishwasher, a washing machine, or similar apparatus, is proposed with an addition unit ( 9 ) to add cleansing agent to a cleaning liquid, which ensures reliable rinsing out of the cleansing agent chamber(s). This is accomplished according to the invention by the fact that the addition unit ( 9 ) is connected with a pressure line ( 7 ) of a rinsing pump ( 2 ) to deliver wash liquid to the addition unit ( 9 ) in order to rinse out cleansing agent located in it.

1 . Household appliance such as a dishwasher, a washing machine, or similar apparatus, with an addition unit to add cleansing agent to a cleaning liquid, characterized in that the addition unit ( 9 ) is connected with a pressure line ( 7 ) of a rinsing pump ( 2 ) to deliver wash liquid to an addition unit ( 9 ) in order to rinse out cleansing agent located in it.  
     
     
         2 . Household appliance according to  claim 1 , characterized in that the suction line ( 17 ) of the rinsing pump ( 16 ) is connected with a liquid reservoir ( 15 ).  
     
     
         3 . Household appliance according to one of the preceding claims, characterized in that the suction line ( 6 ) of the rinsing pump ( 2 ) is connected with a line or a collection basin ( 5 ) for cleaning liquid.  
     
     
         4 . Household appliance according to one of the preceding claims, characterized in that a circulation pump ( 2 ) provided for circulating the cleaning liquid in the operation of the household appliance is provided as a rinsing pump for addition unit ( 9 ).  
     
     
         5 . Household appliance according to one of the preceding claims, characterized in that a delivery line ( 7 ) is provided that branches off from the liquid circuit of cleaning liquid to deliver a partial flow of cleaning liquid ( 7 ) into the addition unit, in order to rinse out cleansing agent located there.  
     
     
         6 . Household appliance according to one of the preceding claims, characterized in that an on-off valve ( 8 ) is provided for optional connection of the addition unit ( 9 ) with the liquid circuit of the cleaning liquid.  
     
     
         7 . Household appliance according to one of the preceding claims, characterized in that a control unit ( 11 ) is provided which can dispense a partial quantity of the cleansing agent located in the addition unit ( 9 ).  
     
     
         8 . Household appliance according to one of the preceding claims, characterized in that a dispensing unit ( 12 ) including the addition unit ( 9 ) is provided which includes a control unit ( 11 ) for time-dependent switching of the on-off valve ( 16 ).  
     
     
         9 . Household appliance according to one of the preceding claims, characterized in that a flowmeter ( 15 ) is provided for quantity-dependent switching of the on-off valve ( 16 ).  
     
     
         10 . Household appliance according to one of the preceding claims, characterized in that the dispensing unit ( 12 ) includes a temperature sensor.  
     
     
         11 . Household appliance according to one of the preceding claims, characterized in that the dispensing unit ( 12 ) includes a sensor ( 10 ) to determine the cleansing agent concentration.  
     
     
         12 . Household appliance according to one of the preceding claims, characterized in that the sensor ( 10 ) to determine the cleansing agent concentration is connected with the liquid exiting from the addition unit ( 9 ).  
     
     
         13 . Household appliance according to one of the preceding claims, characterized in that the sensor ( 10 ) to measure the cleansing agent concentration is connected with the cleaning liquid provided in the household appliance for the cleaning process.  
     
     
         14 . Household appliance according to one of the preceding claims, characterized in that the sensor ( 10 ) to determine the cleansing agent concentration is in the form of a conductance sensor.  
     
     
         15 . Household appliance according to one of the preceding claims, characterized in that the sensor ( 10 ) to determine the cleansing agent concentration is simultaneously provided for other functions to control the household appliance.