Relief valve for the fuel pump of an oil burner

Details Relief valve for the fuel pump of an oil burner Relief valve for the fuel pump of an oil burner

1994-01-31

1994-11-29

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

137539, 239126, 239571, F16K 1718

Patent

active

053680685

ABSTRACT:
A relief valve is built into the nozzle port of a fuel pump for an oil burner and opens to relieve pressure in the fuel supply line and prevent oil from dripping out of the burner nozzle when the pump is shut down. The relief valve comprises a ball which is normally held in a closed position by an arcuate leaf spring wrapped partially around the nozzle port.

REFERENCES:
patent: 1583834 (1926-05-01), Humphrey
patent: 3547093 (1970-12-01), Sherman
patent: 3566901 (1971-03-01), Swedberg
patent: 3910305 (1975-10-01), Hughes
Sketch bearing the date stamp "Michael C. Payden Oct. -8, 1993".

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