Process for the projection of water for washing dishes and a washing machine for carrying out said process

Claim 1

A DISHWASHING MACHINE, COMPRISING, A VAT, A PLURALITY OF EJECTION TUBES MOUNTED IN SAID VAT, EACH OF SAID TUBES HAVING AN UPPER END OPENING INTO SAID VAT AND A BOTTOM END COMMUNICATING WITH A PAIR OF VALVED OPENINGS IN THE TUBE, ONE OF SAID VALVED OPENINGS IN EACH TUBE CONNECTED TO A SUPPLY OF LIQUID AND PROVIDED WITH A NORMALLY OPEN VALVE FOR ADMITTING OF A PREDETERMINED VOLUME OF LIQUID INTO THE TUBE THE OTHER OF SAID VALVED OPENINGS IN EACH TUBE CONNECTED TO A SOURCE OF COMPRESSED AIR AND PROVIDED WITH A NORMALLY CLOSED VALVE, MEANS FOR SUCCESSIVELY ACTUATING SAID NORMALLY CLOSED VALVES, SUCH THAT FOLLOWING THE ADMITTANCE OF PREDETERMINED VOLUMES OF LIQUID INTO THE TUBES THROUGH THE NORMALLY OPEN VALVES, SAID ACTIVATING MEANS IS ALTERNATIVELY EXCITED TO SUCCESSIVELY OPEN SAID NORMALLY CLOSED VALVES TO ADMIT MEASURED AMOUNTS OF COMPRESSED AIR INTO THE TUBES WHEREBY THE NORMALLY OPEN VALVES ARE CLOSED BY THE COMPRESSED AIR AND THE LIQUID IS EXPELLED FROM THE OPEN ENDS OF THE TUBES.