Fuel injection valve with a damping element
AssigneeRobert Bosch GmbH
InventorsFerdinand Reiter, Ulrich Fischer, Franz Thömmes
Life of this patent
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Abstract
A fuel injector (1) is provided with a magnetic coil (10) which cooperates with an armature (20) acted upon by a restoring spring (23), the armature forming an axially movable valve part with a valve needle (3). A valve-closure member (4) which forms a sealing seat with a valve-seat member (5) is provided at the valve needle (3). At least one damping element (37) is disposed in an opening (36) of the fuel injector (1) through which fuel flows.
Claims13
A fuel injector (1) having a magnetic coil (10), which cooperates with an armature (20) acted upon by a restoring spring (23), the armature forming an axially movable valve part together with a valve needle (3);
- a valve-closure member (4), which forms a sealing seat with a valve-seat member (5), being provided at the valve needle (3), wherein at least one damping element (37) is disposed in an opening (36) of the fuel injector (1) through which fuel flows.
Dependencies are inferred from the claim text.