Liquid delivery control

Claim 1

LIQUID DELIVERY APPARATUS FOR A STORAGE TANK COMPRISING A HOLLOW CASING MOUNTED IN THE TOP WALL OF SAID TANK AND EXTENDING SUBSTANTIALLY TO THE BOTTOM OF SAID TANK, SAID CASING HAVING A CLOSED BOTTOM AND A SIDE OPENING OUTLET AT THE BOTTOM OF THE TANK FOR DIRECTING FLUID PARALLEL TO THE BOTTOM OF SAID TANK WHEREBY TO SUBSTANTIALLY REDUCE THE SURFACE TURBULENCE OF THE FLUID WITHIN SAID TANK, A VALVE PIVOTED WITHIN SAID CASING FOR CONTROLLING SAID FLUID PASSAGE, SAID VALVE BEING SWINGABLE FROM A FULLY OPEN POSITION THROUGH A PARTIALLY CLOSED POSITION TO A FULLY CLOSED POSITION, FLOAT MEANS SPACED SUBSTANTIALLY FROM SAID CASING OUTLET AND CONNECTED TO SAID VALVE FOR SWINGING SAID VALVE BETWEEN SAID POSITIONS, AND BAFFLE MEANS POSITIONED WITHIN SAID CASING AND HAVING BEVELLED EDGES POSITIONED AND ADAPTED TO DIRECT THE MAIN PORTION OF SAID INFLOWING FLUID SO THAT SAID MAIN FLUID PORTION WILL AVOID SAID VALVE SO LONG AS SAID VALVE IS OPEN BEYOND ITS SAID PARTIALLY CLOSED POSITION AND TO DIRECT THE MINOR PORTION OF SAID INFLOWING FLUID AGAINST SELECTED LOCATIONS ON THE BOTTOM OF SAID VALVE WHEN SAID VALVE IS OPENED BEYOND ITS SAID PARTIALLY CLOSED POSITION FOR DAMPING AND RETARDING THE SWINGING MOVEMENT OF SAID VALVE TO SAID PARTIALLY CLOSED POSITION, SAID VALVE BEING DRIVEN TO SAID FULLY CLOSED POSITION BY SAID MAIN FLUID PORTION WHEN SAID VALVE CLOSES TO SAID PARTIALLY CLOSED POSITION.