Dishwasher

Claim 1

A DISHWASHER, COMPRISING A HOUSING FORMING A WASHING CHAMBER, LATTICE-TYPE SHELF STRUCTURES IN SAID CHAMBER FOR SUPPORTING DISHES TO BE WASHED, ONE OF SAID STRUCTURES BEING ADAPTED AT A GIVEN LOCATION TO ACCOMMODATE A COOKING VESSEL PLACED UPSIDE DOWN; A JET NOZZLE ARRANGEMENT IN SAID CHAMBER FOR SQUIRTING WATER AGAINST OBJECTS PLACED ONTO SAID STUCTURES AND COMPRISING UPWARDLY DIRECTED NOZZLE MEANS MOUNTED BELOW SAID LOCATION FOR DIRECTING JETS OF WATER INTO THE HOLLOW OF A VESSEL, AND NOZZLE MEANS BETWEEN SAID STRUCTURES AND DIRECTED TO PASS JETS OF WATER ONTO THE OUTER SURFACE OF THE VESSEL, PRESSURE CONDUIT MEANS CONNECTED TO ALL OF SAID NOZZLE MEANS FOR SUPPLYING WATER THERETO, AND PRESSURE CONTROL MEANS INTERPOSED IN SAID CONDUIT MEANS AHEAD OF THOSE OF SAID NOZZLE MEANS THAT ARE MOUNTED BELOW SAID LOCATION FOR CONTROLLING SAID LATTER NOZZLE MEANS WHEN WASHING A VESSEL TO OPERATE AT A HIGHER PRESSURE THAN SAID OTHER NOZZLE MEANS.