Commercial dish washer equipped with an auxiliary rinsing water pipe and rinsing step

Abstract

A dish washer for commercial use is provided. The dishwasher according to current application is used for restaurants, hospital, school and military camp, etc. The dish washer of the current application has an auxiliary rinsing water pipe that is embedded inside of a washing water pipe. The rinsing water supplied to the washing water pipe drives the remaining soapy washing water out of an upper washing water impellor just after the washing step is finished. In rinsing step, rinsing water is supplied to an upper rinsing impellor via main rinsing water pipe. Rinsing water is sprayed to the bottom of the washing water impellor to remove the residual soapy washing water droplets. The dish washer of the current application removes a chance of contamination of dishes and cups by soapy washing water drops after washing is finished.

1 . A commercial purpose dish washer that is comprised of;
 a water tank that is divided into
 a washing water tank, and 
 a rinsing water tank, and 
   an upper washing impellor that locates above an upper rinsing water impellor, and   a lower washing impellor, and   an upper rinsing impellor that has two rows of rinsing water nozzles; one row of rinsing water nozzles are developed facing downward and another row of rinsing water nozzles are developed facing up ward, and   a lower rinsing impellor, and   a rack for holding dishes and bowls, and   a washing water pump, and   a rinsing water pump, and   an auxiliary rinsing water pump, and   a washing water pipe, and   a rinsing water pipe, and   a connection housing that connects;
 the rinsing water pipe that penetrates the connection housing from above and reaches the rinsing water impellor and 
 the washing water from the side thereof and reaches the washing water impellor, and 
   an auxiliary rinsing water pipe that is developed from the rinsing water tank and penetrates one side of wall of the washing water pipe and embedded inside of the washing water pipe along the length thereof and reaches the connection housing, and   a check valve that is installed on the auxiliary rinsing water pipe, just before it meets the washing water pipe, to prevent reflux of the soapy washing water through the auxiliary rinsing water pipe to contaminate the rinsing water in the rinsing water tank, and   another check valve is installed on the main rinsing water line to prevent reflux of the washing water.   
     
     
         2 . A commercial purpose dish washer of  claim 1 , wherein the auxiliary rinsing water pump supply rinsing water to the auxiliary rinsing water pipe to allow the rinsing water comes out of the end of the auxiliary rinsing water pipe and drives out the washing water that was left inside of the housing and the washing impellor and comes out through the washing water nozzle. 
     
     
         3 . A commercial purpose dish washer of  claim 1 , wherein the rinsing water comes out though the rinsing water nozzles, which face the bottom surface of the washing water impellor, cleans the soapy washing water droplets that are hang on underneath of the upper washing water impellor.