Device for breaking up foam and froth

Claim 1

A DEFOAMING DEVICE COMPRISING, IN COMBINATION, A TANK; A TOP WALL CLOSING THE UPPER END OF SAID TANK AND HAVING AN OPENING FORMED THEREIN; A ROTOR ARRANGED IN THE REGION OF SAID TOP WALL OF SAID TANK ROTATABLY ABOUT A VERTICAL AXIS, SAID ROTOR HAVING A TOP PLATE ARRANGED ADJACENT TO SAID TOP WALL OF SAID TANK AND PROVIDED WITH AN OPENING PERMANELY COMMUNICATING DURING ROTATION OF SAID ROTOR WITH SAID OPENING IN SAID TOP WALL OF SAID TANK, VERTICALLY EXTENDING VANE MEANS SECURED AT THEIR UPPER ENDS TO SAID TOP PLATE OF SAID ROTOR, AND A BOTTOM PLATE FORMING ALSO PART OF SAID ROTOR AND SECURED TO THE BOTTOM OF SAID VANE MEANS; MEANS FOR ROTATING SAID ROTOR; CONDUIT MEANS LEADING FROM THE LOWER PORTION OF SAID TANK INTO SAID ROTOR SO AS TO BE ADAPTED TO CARRY FLUID CONTAINED IN SAID TANK INTO SAID ROTOR AND ONTO SAID BOTTOM PLATE THEREOF; AND PUMPING MEANS ASSOCIATED WITH SAID CONDUIT MEANS FOR PUMPING FLUID CONTAINED IN SAID TANK INTO SAID CONDUIT MEANS.