Fueler unit

Claim 1

A FUELER UNIT COMPRISSING A HOUSING HAVING A FUEL INLET PORT, A FUEL OUTLET PORT, A WATER DRAIN PORT, AND AN AIR ELIMINATOR PORT, A HORIZONTAL DIVISION PLATE LOCATED IN SAID HOUSING FOR DIVIDING SAID HOUSING INTO A LOWER PORTION HAVING SAID FUEL INLET AND OUTLET PORTS AND AN UPPER PORTION HAVING SAID WATER DRAIN AND ELIMINATOR PORTS, A VERTICAL DIVISION PLATE LOCATED BELOW SAID HORIZONTAL DIVISION PLATE FOR PREVENTING DIRECT COMMUNICATION BETWEEN SAID FUEL INLET PORT AND SAID FUEL OUTLET PORT, A VERTICAL PARTITION MEMBER EXTENDING ABOVE SAID HORIZONTAL DIVISION PLATE FOR SEPARATING SAID HOUSING INTO A FIRST CHAMBER LOCATED UPSTREAM OF SAID AIR ELIMINATOR PORT AND A SECOND CHAMBER LOCATED DOWNSTREAM OF SAID AIR ELIMINATOR PORT SAID FIRST CHAMBER COMMUNICATING WITH SAID FUEL INLET AND WATER DRAIN PORTS AND SAID SECOND CHAMBER COMMUNICATING WITH SAID FUEL OUTLET PORT, A PLURALITY OF COALESCER ELEMENTS OF THE INSIDE-OUT FLOW TYPE LOCATED IN SAID FIRST CHAMBER FOR TRAPPING SOLID CONTAMINANTS PRESENT IN THE FUEL FLOWING THERETHROUGH FROM SAID INLET PORT TO SAID SECOND CHAMBER AND FOR COALESCING ANY WATER CONTAINED IN THE FUEL INTO RELATIVELY LARGE DROPLETS, A PLURALITY OF FILTER SEPARATOR ELEMENTS LOCATED IN SAID FIRST CHAMBER AND TELESCOPED OVER AND DOWNSTREAM OF SAID COALESCER ELEMENTS FOR TRAPPING ANY ADDITIONAL SOLID CONTAMINANTS PRESENT IN THE FUEL FLOWING FROM SAID COALESCER ELEMENTS AND FOR SEPARATING SAID WATER DROPLETS FROM SAID FUEL SO THAT SAID DROPLETS CAN GRAVITATE BETWEEN SAID COALESCER AND SEPARATOR ELEMENTS TOWARDS SAID HORIZONTAL DIVISION PLATE AND FLOW THROUGH SAID DRAIN PORT, A PLURALITY OF POROUS CONTAMINATION SENSITIVE SHUT-OFF FUSES LOCATED IN SAID SECOND CHAMBER FOR MONITORING THE CLEANLINESS OF THE FUEL FLOWING THERETHROUGH AND FOR SEPARATING AIR BUBBLES THEREFROM, SAID FUSES BEING SUFFICIENTLY SENSITIVE TO PREDETERMINED LEVELS OF BOTH SOLID AND WATER CONTAMINANTS TO CAUSE CLOSURE OF THE PORES THEREIN WHEN SAID PREDETERMINED LEVELS ARE REACHED TO THEREBY PREVENT FUEL FLOW THROUGH SAID OUTLET PORT, AND A FLOAT-OPERATED VALVE LOCATED IN THE UPPER PART OF SAID FIRST AND SECOND CHAMBERS AND OPERATIVELY CONNECTED TO SAID AIR ELIMINATOR PORT FOR PERMITTING EXPULSION OF AIR AND FUEL VAPORS FROM SAID HOUSING, SAID FLOAT VALVE BEING ADAPTED TO SHUT-OFF FLOW THROUGH SAID AIR ELMINATOR PORT WHEN THE FUEL IN SAID FIRST AND SECOND CHAMBERS REACHES A PREDETERMINED LEVEL TO THEREBY PREVENT FLOW OF FUEL THROUGH SAID AIR ELIMINATOR PORT.