Apparatus for minimizing spots on articles washed in automatic dishwashers

Claim 1

A DISHWASHING MACHINE COMPRISING: (A) A COMPARTMENT, (B) SUPPORT MEANS FOR ARTICLES TO BE WASHED WITHIN SAID COMPARTMENT, (C) WATER PUMPING AND EJECTING MEANS DISPOSED IN A LOWER PORTION OF SAID COMPARTMENT TO EFFECT WASHING AND RINSING OF THE ARTICLES AND REMOVAL OF WASH AND RINSE WATER FROM SAID COMPARTMENT, (D) HEATING MEANS DISPOSED WITHIN A LOWER PORTION OF SAID COMPARTMENT OF FACILITATE DRYING OF THE ARTICLES UPON COMPLETION OF WASHING AND RINSING, (E) A TIMER HAVING A PLURALITY OF ELECTRICAL SWITCHING CONTACTS FOR CONTROLLING THE WASHING SEQUENCE, (F) HOT AND COLD WATER CONDUITS FOR CONNECTION TO HOT AND COLD WATER SUPPLIES RESPECTIVELY, (G) A FIRST ELECTRICALLY-OPERABLE VALVE HAVING HOT AND COLD WATER INLETS CONNECTED TO SAID CONDUITS AND AN OUTLET WITHIN SAID COMPARTMENT, (H) A FIRST SET OF SWITCHING CONTACTS IN SAID TIMER CONTROLLING SAID VALVE SO THAT COLD WATER ONLY ENTERS SAID COMPARTMENT SUBSEQUENT TO THE WASHING AND RINSING SEQUENCE, (I) A SECOND SET OF SWITCHING CONTACTS IN SAID TIMER ENERGIZING SAID PUMPING AND EJECTING MEANS TO SPRAY THE COLD WATER ON THE ARTICLES AND TO DRAIN THE COLD WATER FROM SAID COMPARTMENT, (J) A VAPORIZER DISPOSED IN AN UPPER PORTION OF SAID COMPARTMENT, (K) A SECOND ELECTRICALLY-OPERABLE VALVE TO SUPPLY WATER TO SAID VAPORIZER, (L) A THIRD SET OF CONTACTS IN SAID TIMER ENERGIZING SAID SECOND VALVE TO ADMIT WATER TO SAID VAPORIZER, AND (M) A FOURTH SET OF SWITCHING CONTACTS IN SAID TIMER ENERGIZING SAID VAPORIZER WHEN WATER IS ADMITTED THERETO TO FORM A MINERAL-FREE WATER VAPOR WHICH FLOWS ABOUT THE ARTICLES AND CONDENSES THEREON TO DILUTE ANY RESIDUE OF WATER REMAINING ON THE ARTICLES TO MINIMIZE SPOTTING.