Electromagnetic fuel injector

Details Electromagnetic fuel injector Electromagnetic fuel injector

1981-04-13

1983-02-15

Love, John J.

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

B05B 130

Patent

active

043736718

ABSTRACT:
A fuel injector 10 includes a housing 12 which mounts a valve 56 closing off orifice 22 at one end of a fuel chamber 20 bounded at an opposite end by a piston 18 which is controlled by a tubular armature 16. The tubular armature 16 fits within an annular gap 40 without the housing 12 and is actuated by a coil 14. A pressure compensation vent 78 is in communication with a section 50 at the upper side of piston 18 to partially compensate for chamber combustion pressures which exert a closing force on valve 56. Energizing of the drive coil 14 moves the armature 16 which in turn moves the piston 18 downward which displaces fuel within the fuel chamber 20 which opens the valve 56 allowing fuel to pass through orifice 22.

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