Fuel injector

Details Fuel injector Fuel injector

1978-05-30

1980-04-29

Love, John J.

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239563, B05B 130

Patent

active

042002370

ABSTRACT:
A fuel injector for internal combustion engines having an axially slidable nozzle needle capable of being lifted off its sealing seat by pressure of fuel against at least one spring and having a control pintle below the sealing seat sliding in a blind-hole recess is provided with the improvement comprising a cavity starting immediately below the sealing seat and formed as an eccentric widening extending parallel to the blind-hole type recess, said spray holes opening into said blind-hole type recess and the cross sectional areas of the nozzle seat gap and the cavity at each position of the needle nozzle are greater than the cross sectional area of the at least one spray hole uncovered at any time by the movement of the control pintle.

REFERENCES:
patent: 1833080 (1931-11-01), Kenworthy
patent: 2625435 (1953-01-01), Larborn
patent: 3442451 (1969-05-01), DeNagel
patent: 3612407 (1971-10-01), Itano et al.

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