Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner
Patent
1991-05-06
1992-07-07
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Fuel injector or burner
2395333, 23953312, 239584, F02M 6108
Patent
active
051275848
ABSTRACT:
A fuel injection nozzle for use in an internal combustion engine has a spray tip with a spring biased poppet valve journaled for reciprocable movement therein. The poppet valve has a fuel supply passage extending through the stem thereof for flow communication with fuel spray orifices that are located so as to discharge fuel in a predetermined spray pattern upon outward opening movement of the poppet valve. The nozzle has an integral locating and secondary stop assembly comprising complimentary grooves formed in the nozzle body and the valve stem of the poppet valve which, when aligned, form a cylindrical positioning bore which is adapted to receive a locating ball. The ball acts through interference at the nozzle-stem interface to prevent rotation of the poppet valve relative to the nozzle body and additionally acts to limit outward movement of the valve from the nozzle body by an interference with the upper shoulder of the positioning slot.
REFERENCES:
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patent: 4905908 (1990-03-01), Sczomak
patent: 4909444 (1990-03-01), Sczomak
Sczomak, "The Poppet Covered Orifice Fuel Injection Nozzle," SAE Technical Paper 900821, Feb. 26, 1990.
Barr Jr. Karl F.
General Motors Corporation
Grant William
Kashnikow Andres
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