Magnetic filter mechanism

Claim 1

IN A MAGNETIC FILTER SYSTEM, THE COMBINATION COMPRISING A CASING HAVING AN INLET ADJACENT THE LOWER END THEREIN THROUGH WHICH CONTAMINATED FLUID IS DIRECTED AND AN OUTLET ADJACENT THE UPPER END THEREOF THROUGH WHICH CLEANED FLUID IS REMOVED, A PLURALITY OF MAGNETIC CELLS POSITIONED WITHIN SAID CASING, EACH SAID CELL COMPRISING A PLURALITY OF PERMANENT MAGNETS ASSEMBLED IN AN ELONGATED VERTICAL STACK, A FILTER TUBE OF NON-MAGNETIC MATERIAL HAVING A PERFORATED SIDE WALL THEREOF MOUNTED IN SAID CASING WITH ITS AXIS EXTENDING GENERALLY VERTICALLY AND THE MAGNETIC CELLS POSITIONED ADJACENT THE EXTERIOR OF THE PERFORATED SIDE WALL OF SAID TUBE, MEANS FOR MOVING SAID FILTER TUBE GENERALLY VERTICALLY AND PARALLEL RELATIVE TO SAID MAGNETIC CELLS, SAID FILTER TUBE HAVING AN IMPERFORATE TOP WALL CLOSING THE INTERIOR THEREOF, SAID FILTER TUBE HAVING AN OPEN BOTTOM WALL, SAID FILTER TUBE HAVING AN IMPERFORATE PERIPHERAL FLANGE ON THE LOWER END THEREOF, A GENERALLY HORIZONTAL SEALING RING ON THE INTERIOR OF THE CASING INTERMEDIATE THE TOP AND BOTTOM OF SAID CASING COOPERATING WITH SAID FLANGE TO DIRECT INFLOW TO EITHER THE EXTERIOR OR THE INTERIOR OF THE FILTER TUBE, AND A FIXED VALVE ON THE INTERIOR OF THE CASING COOPERATING WITH THE LOWER END OF THE FILTER TUBE TO EITHER OPEN OR CLOSE THE TUBE, WHEREBY WHEN THE LOWER END OF SAID FILTER TUBE IS IN ENGAGEMENT WITH SAID FIXED VALVE, ALL OF SAID CONTAMINATED FLUID FLOWS EXTERIORLY OF SAID FILTER TUBE, WHEN SAID FILTER TUBE IS IN CONTACT WITH THE SEALING RING, ALL OF THE CONTAMINATED FLUID FLOWS INTO SAID FILTER TUBE AND WHEN THE FILTER TUBE IS IN AN INTERMEDIATE POSITION BETWEEN THE SEALING RING AND THE FIXED VALVE, SOME OF THE CONTAMINATED FLUID FLOWS EXTERIORLY OF SAID FILTER TUBE.