Patent ID: 6651913
Filing Date: 2003-11-25
Classification: F02M,F16K,H01F

Abstract:
An electromagnetic injector for controlling a fuel quantity to be fed into an internal combustion engine, comprising:an electromagnetic coil system including a magnet armature; and a valve body displaceable by the electromagnetic coil system and acting together with the magnet armature; wherein the electromagnetic coil system includes at least two concentrically arranged coils, the coils being integrated in a magnetic circuit so that a first pole body is positioned between two adjacent coils, an inner coil being arranged adjacent to a second pole body, and an outer coil being arranged adjacent to a third pole body, the magnet circuit including the first pole body, the second pole body, and the third pole body; and wherein the adjacent coils are configured to have a common field current flowing therethrough in a mutually opposite directional sense.