Fuel injection nozzles

Details Fuel injection nozzles Fuel injection nozzles

1988-03-17

1989-06-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

F02M 4700

Patent

active

048364541

ABSTRACT:
A fuel injection nozzle of the inwardly opening type includes a valve member which is biased into contact with a seating by a spring. The valve member is surrounded in part by a sleeve and both the valve member and sleeve are subject to fuel pressure so that axial forces are produced which act in opposition to the spring. When the forces are large enough the valve member and sleeve move but the sleeve movement and hence the movement of the valve member, is limited by a stop. Fuel is allowed to flow through an outlet at a restricted rate and only when the fuel pressure rises is the valve member moved further to allow unrestricted flow of fuel. The further movement of the valve member is limited by the engagement of an abutment on the valve member with the end of the sleeve.

REFERENCES:
patent: 3343798 (1967-09-01), Senft
patent: 3718283 (1973-02-01), Fenne
patent: 4096999 (1978-06-01), Eckert et al.
patent: 4202500 (1980-05-01), Keiczek
patent: 4537359 (1985-08-01), Skinner
patent: 4591100 (1986-05-01), Gaskell et al.

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