Filling valve

Claim 1

NOZZLE APPARATUS FOR FLOWING A FOAMABLE LIQUID WITHOUT EXCESSIVE FOAMING, COMPRISING: MEANS FORMING A CYLINDRICAL DISCHARGE CHAMBER HAVING AN ENTRANCE END, AN EXIT END AND A CYLINDRICAL WALL THEREBETWEEN; A CLOSURE FOR SAID ENTRANCE; A CLOSURE FOR SAID EXIT; MEANS CONNECTING SAID ENTRANCE CLOSURE AND SAID EXIT CLOSURE FOR SIMULTANEOUS MOVEMENT BETWEEN OPEN AND CLOSED POSITIONS; RESILIENT MEANS URGING BOTH SAID CLOSURES TOWARD CLOSED POSITION; MEANS FOR FORCING SAID LIQUID UNDER PRESSURE INTO SAID CHAMBER TO PROVIDE A HIGH ENERGY JET OF SAID LIQUID AT SAID ENTRANCE ALONG A SAID WALL, SAID FORCING MEANS OPERATING THROUGH SAID LIQUID TO OPEN BOTH SAID CLOSURES AGAINST THE URGING OF SAID RESILIENT MEANS; MEANS IN SAID CHAMBER AT SAID ENTRANCE FOR PROVIDING AN ANNULAR CHAMBER PORTION WITH DIVERGING WALLS OF CONTINUOUSLY INCREASING CROSS SECTIONAL AREA ADJACENT TO AND EXTENDING FROM SAID ENTRANCE TO ABSORB A PORTION OF SAID HIGH ENERGY TO RETARD FOAMING; AND MEANS FORMING AN ATMOSPHERIC BLEED OPENING INTO SAID CHAMBER AT SAID EXIT CLOSURE FOR MAINTAINING SAID CHAMBER AT APPROXIMATELY ATMOSPHERIC PRESSURE WHEN NOT IN USE.