Fuel pump and filter assembly

Claim 1

A PUMP FOR VAPORIZABLE FUEL COMPRISING; A SPRING HOUSING HAVING A PERIPHERAL FLANGE DEFINING AN OPENING, A PUMP HOUSING INCLUDING A PLATE ATTACHED TO SAID PERIPHERAL FLANGE, A DIAPHRAGM DISPOSED ACROSS SAID SPRING HOUSING OPENING AND BEING SLIDABLY HELD AT SAID PERIPHERAL FLANGE TO DEFINE A PUMPING CHAMBER IN SAID PUMP HOUSING ADJACENT SAID PLATE, ACTUATING MEANS PIVOTABLY ENGAGING SAID SPRING HOUSING AND BEING OPERABLY CONNECTED TO SAID DIAPHRAGM FOR RECIPROCABLY MOVING THE LATTER IN SAID PUMPING CHAMBER, A PLURALITY OF ELONGATED THIN WALLED CUP MEMBERS DEPENDING FROM SAID PUMP HOUSING PLATE IN A GENERALLY PARALLEL DIRECTION, SAID CUP MEMBERS BEING SPACED FROM EACH OTHER TO ALLOW THE PASSAGE OF AIR THEREABOUT, EACH OF SAID CUP MEMBERS HAVING AN OPEN END THEREOF COMMUNICATED WITH SAID PUMPING CHAMBER, ONE OF SAID CUP MEMBERS HAVING FUEL INLET MEANS, A CHECK VALVE DISPOSED IN EACH OF SAID ELONGATED CUP MEMBERS AND BEING OPERABLE TO PROVIDE A UNIDIRECTIONAL FLOW OF FLUID THROUGH SAID PUMP CHAMBER IN RESPONSE TO RECIPROCATORY MOVEMENT OF SAID DIAPHRAGM, A FILTER SUPPORT STRUCTURE INCLUDING A PLATE DEPENDING FROM AT LEAST ONE OF SAID ELONGATED CUP MEMBERS AND BEING SPACED FROM SAID PUMP HOUSING TO EXPOSE THE RESPECTIVE SPACED CUP MEMBERS TO SAID PASSAGE OF AIR THEREABOUT, AND HAVING A CIRCULAR RIM ON SAID FILTER SUPPORT PLATE, DISCHARGE MEANS INCLUDING A CONDUIT CARRIED IN SAID FILTER SUPPORT STRUCTURE HAVING AN INLET OPENING DISPOSED INWARDLY OF SAID CIRCULAR RIM AND AN OUTLET DISPOSED ADJACENT SAID RESPECTIVE ELONGATED CUP MEMBERS, PASSAGE MEANS IN SAID FILTER SUPPORT STRUCTURE COMMUNICATING THE LATTER WITH AT LEAST ONE OF SAID ELONGATED MEMBERS TO RECEIVE FUEL THEREFROM, A FILTER ASSEMBLY CARRIED ON SAID FILTER SUPPORT STRUCTURE AND INCLUDING A FILTER CUP SEALABLY ENGAGING SAID CIRCULAR RIM AND DEFINING A CLOSED FILTER COMPARTMENT, A CYLINDRICAL FILTER UNIT POSITIONED IN SAID FILTER CUP AND INCLUDING AN OUTLET PORT ENGAGING SAID DISCHARGE MEANS PROVIDING COMMUNICATION WITH THE LATTER, SAID FILTER UNIT HAVING AN END WALL DISPOSED ADJACENT TO SAID PLATE OF SAID FILTER SUPPORT STRUCTURE AND DEFINING A SPACE THEREBETWEEN FOR ACCUMULATING AIR AND VAPORS OF SAID VAPORIZED FUEL.