Electromagnetic fuel injector

Details Electromagnetic fuel injector Electromagnetic fuel injector

1985-09-25

1987-04-07

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239585, 25112914, 25112916, 25112921, F02M 6120, B05B 130, F16K 3102

Patent

active

046553967

ABSTRACT:
An electromagnetically-actuated fuel injector of the type having a spring-biased flat armature and a ball valve element is provided with an improved arrangement for preventing wobble or flutter of the armature, particularly during operation. The substantially-circular armature includes a portion contoured to define a pivot axis for the armature as it engages a stationary part of the injector. This pivot axis is conveniently provided by a chordal edge on the armature. This arrangement aids in reducing wobble by the armature and is further enhanced by concentrating the spring force on the armature remote from the pivot axis. This concentrated spring force is obtained by providing a spring seat on the armature which is inclined such that the spring experiences greater compression where the spring force is required.

REFERENCES:
patent: 2857494 (1958-10-01), Lace
patent: 4354640 (1982-10-01), Hans
patent: 4390136 (1983-06-01), Linssen et al.
patent: 4394973 (1983-07-01), Sauer et al.

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