Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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F02M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
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51/00
Fuel-injection apparatus characterised by being operated electrically
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F02M51/06
Injectors peculiar thereto; with means directly operating the valve needle
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F02M51/061
using electromagnetic operating means
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F02M51/0625
characterised by arrangement of mobile armatures
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F02M51/0628
having a stepped armature
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F02M51/0628

Electromagnetic Switching Valve and High-Pressure Fuel Pump
20180230955 · 2018-08-16 · ·

The invention relates to an electromagnetic switching valve for a fuel-injection system of an internal-combustion engine, which has an actuator region, for moving a closing element, with a pole piece and with an armature and also with a solenoid for generating a magnetic flux in the armature and the pole piece, said armature having a region of magnetic-flux concentration.