Injectors for the fuel injection systems of internal combustion

Details Injectors for the fuel injection systems of internal combustion Injectors for the fuel injection systems of internal combustion

1975-01-16

1977-02-01

King, Lloyd L.

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

B05B 130

Patent

active

040058263

ABSTRACT:
There is disclosed an injector for a fuel injection system for an internal combustion engine and comprising a nozzle body formed with a compartment within which there is positioned a nozzle needle biased towards a closed position by a spring. A first chamber is formed between the valve seat and one end of a guide for the nozzle needle and a second chamber is formed at the other end of said guide, the arrangements being such that fuel under pressure is supplied to both said chambers simultaneously and that the nozzle needle is seated until the pressure in said second chamber is relieved by opening of a trigger valve under increasing fuel supply pressure to cause the nozzle needle to move to open the injection valve for the supply of fuel to the engine.

REFERENCES:
patent: 3521819 (1970-07-01), Johnston
patent: 3610529 (1971-10-01), Huber
patent: 3640466 (1972-02-01), Steiger
patent: 3669354 (1972-06-01), Helyer
patent: 3680782 (1972-08-01), Monpetit

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