Pump

Claim 1

A SELF-PRIMING, NON-CLOGGING SOLIDS PUMP COMPRISING FLUID GUIDE STRUCTURE DEFINING SERIATIM AN INLET, A SIPHON BREAKER CHAMBER BELOW SAID INLET, A PUMP CHAMBER BELOW SAID INLET TO RECEIVE THE EFFLUENT FROM SAID SIPHON BREAKER CHAMBER, A PRIMING CHAMBER LOCATED ABOVE AND FORMING AN EXTENSION OF SAID PUMP CHAMBER AND AN OUTLET AT THE UPPER PORTION OF SAID PRIMING CHAMBER; A ROTATABLE IMPELLER MOUNTED ON THE SAID GUIDE STRUCTURE AT SAID PUMP CHAMBER AND LOCATED SUBSTANTIALLY COMPLETELY OUTSIDE OF THE MAIN PATH OF FLUID FLOW THERETHROUGH AND OPERATIVE WHEN ROTATED TO CREATE VORTICAL FLUID FLOW IN SAID PUMP CHAMBER TO INDUCE FLUID FLOW FROM SAID SIPHON BREAKER CHAMBER THROUGH SAID PUMP CHAMBER INTO SAID PRIMING CHAMBER, SAID CHMABERS AND THE PASSAGES BETWEEN SAID CHAMBERS BEING UNOBSTRUCTED AND THE PASSAGE BETWEEN THE PUMP AND PRIMING CHAMBERS FORMING A THROAT OF SUCH SIZE AND SHAPE THAT ANY SOLID WHICH MAY PASS THROUGH SAID INLET CAN PASS THROUGH SAID THROAT INTO SAID PRIMING CHAMBER SO THAT PASSAGE BETWEEN SAID INLET AND OUTLET OF SOLID PARTICLES ENTRAINED IN FLUID PASSING THERETHROUGH IS NOT PRECLUDED, THE INTERNAL CROSS-SECTION OF SAID PRIMING CHAMBER AS VIEWED IN A PLANE PERPENDICULAR TO THE AXIS OF ROTATION OF THE IMPELLER BEING ESSENTIALLY OF DIVERGING-CONVERGING FORM FROM THE THROAT