Fuel injection valve
AssigneeRobert Bosch GmbH
InventorFerdinand Reiter
Life of this patent
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Abstract
A fuel injector (1), in particular an injector for direct injection of fuel into a combustion chamber of a mixture-compressing, spark-ignition internal combustion engine has a solenoid (10), which cooperates with an armature (20), and a magnetic internal pole (13) and a magnetic external pole (9), the armature (20) being connected in a force-locking manner to a valve needle (3) for actuating of the fuel injector (1), the valve needle having on its injection end a valve-closure member (4), which cooperates with a valve seat (6). At least one permanent magnet (34) is situated in a connecting area between the internal pole (13) and the external pole (9).
Claims15
A fuel injector (1), in particular an injector for direct injection of fuel into a combustion chamber of a mixture-compressing, spark-ignition internal combustion engine, having a solenoid (10), which cooperates with an armature (20), and having a magnetic internal pole (13) and a magnetic external pole (9), the armature (20) being connected in a force-locking manner with a valve needle (3) for actuating the fuel injector (1), the valve needle having on its injection end a valve-closure member (4), which cooperates with a valve seat (6), wherein at least one permanent magnet (34) is situated on a connecting area between the internal pole (13) and the external pole (9).
Dependencies are inferred from the claim text.