Patent ID: 6533254
Filing Date: 2003-03-18
Classification: F02M,Y10S,Y10T

Abstract:
A carburetor primer fuel pump for an internal combustion engine comprising:a resilient valve having a head and an integral tubular portion having an engaging segment and a converging segment having a rib and a distal end having a self sealing orifice, the converging segment projecting and converging from the engaging segment to the distal end, the distal end defining the orifice, the rib extending longitudinally along and projecting laterally outward from the converging segment, and the head encircling and projecting radially outward of the tubular portion; a seat body having an outlet port and an inlet port, the converging segment and distal end of the valve disposed in the outlet port, the engaging segment engaged sealably to the seat body, and the head encircling the inlet passage; and a resilient domed cap defining a pump chamber, the head and engaging segment of the valve disposed within the pump chamber, the inlet and outlet ports being in communication with the pump chamber through the valve.