Salt dissolver with self-cleaning solution outlet-filter

Claim 1

A SALT DISSOLVER FILTER UNIT COMPRISING A TANK ADAPTED TO BE AT LEAST PARTIALLY FILLED WITHA PARTICULATED LIQUID SOLUBLE COMPOUND, A FILTER UNIT POSITIONED IN SUBSTANTIALLY THE BOTTOM PORTION OF SAID TANK COMPRISING A PAIR OF SPACED-APART POROUS SIDE WALLS CONNECTED TOGETHER ALONG THE UPPER EDGES THEREOF BY AN UPPER POROUS WALL AND ALONG THE LOWER EDGES THEREOF BY A BOTTOM WALL DEFINING THEREBETWEEN AN INTERNAL CHAMBER FOR RECEIVING THE SATURATED SOLUTION PASSING THERETHROUGH, THE PREDOMINANT AREA OF THE EXTERIOR FACE OF EACH OF SAID SIDE WALLS DISPOSED IN AN UPRIGHT POSITION, CONDUIT MEANS DISPOSED IN COMMUNICATION WITH SAID CHAMBER FOR WITHDRAWING THE SATURATED SOLUTION THEREFROM TO A POINT EXTERIORLY OF SAID TANK, AND LIQUID SUPPLY MEANS INCLUDING A FIRST DISTRIBUTOR CONDUIT INCORPORATING A PLURALITY OF OUTLET NOZZLES THEREIN FOR DISCHARGING FRESH LIQUID INTO SAID TANK AT A POINT SPACED BELOW THE LEVEL OF ONE OF SAID POROUS SIDE WALLS, AND A SECOND DISTRIBUTOR CONDUIT HAVING OUTLET MEANS FOR DISCHARGING FRESH LIQUID INTO SAID TANK AT A POINT SPACED BELOW THE LEVEL OF THE OTHER OF SAID POROUS SIDE WALLS.