Fuel injection nozzle with grooved poppet valve

Details Fuel injection nozzle with grooved poppet valve Fuel injection nozzle with grooved poppet valve

1981-05-29

1983-10-11

Love, John J.

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Spray fluid pressure responsive discharge modifier

23953312, B05B 132

Patent

active

044087225

ABSTRACT:
A fuel injection nozzle of the outward opening poppet valve type includes a closure member reciprocable in the axial bore of a spray tip so as to control fuel flow therefrom and to form therewith an annular discharge spray orifice. The closure member includes a valve head with a pintle extending therefrom, the pintle having an annular groove therein that is located relative to the free end of the pintle so that during opening movement of the closure member this groove will not extend outward from the spray tip. The groove as thus located is operative to effect turbulent flow of the fuel being discharged and to act as a thermal barrier and is thus operative to substantially eliminate carbon build-up in the injection nozzle.

REFERENCES:
patent: 2172556 (1939-09-01), Edwards
patent: 2263197 (1941-11-01), Tabb et al.
patent: 2708601 (1955-05-01), Links
patent: 2719055 (1955-09-01), Lauck
patent: 2878064 (1959-03-01), Nicolls et al.

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