Liquid distributing system for dishwashing machine

Claim 1

AN IMPROVED LIQUID DISTRIBUTING SYSTEM FOR A DISHWASHING MACHINE HAVING A TANK DEFINING A CLEANSING CHAMBER WITH A SUMP AT THE BOTTOM, COMPRISING A HIGH PRESSURE MAIN RECIRCULATING PUMP MOUNTED WITHIN THE SUMP AND HAVING A CENTRIFUGAL IMPELLER POSITIONED WITH A VERTICAL AXIS OF ROTATION, MEANS DEFINING AN INLET OPENING SPACED ABOVE SAID IMPELLER TO PROVIDE FOR A SMOOTH AND UNIFORM FLOW OF LIQUID TO SAID IMPELLER, A REACTION SPRAY ARM SPACED ABOVE SAID MAIN PUMP, SAID SPRAY ARM INCLUDING FOUR EQUALLY SPACED RADIALLY EXTENDING DISCHARGE TUBES, MEANS DEFINING A PLURALITY OF JET OPENINGS IN EACH TUBE WITH EACH JET OPENING SPACED A PREDETERMINED DISTANCE FROM THE CENTER OF SAID ARM TO PROVIDE A UNIFORM SPRAY COVERAGE, MANIFOLD MEANS CONNECTED TO SAID PUMP AND ROTATABLY SUPPORTING SAID ARM WITH A VERTICAL AXIS OF ROTATION, A DRAIN PUMP SPACED BELOW THE SUMP AND INCLUDING AN IMPELLER AND MEANS DEFINING A DRAIN OUTLET, MEANS DEFINING A PASSAGEWAY CONNECTING THE SUMP TO SAID DRAIN PUMP IMPELLER, AND A MOTOR MOUNTED BELOW SAID DRAIN PUMP AND HAVING A VERTICALLY EXTENDING SHAFT CONNECTED