Fuel injection valve
AssigneeRobert Bosch GmbH
InventorsHubert Stier, Joerg Heyse
Life of this patent
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Abstract
A fuel injector (1) for fuel injector systems of internal combustion engines has a valve-closure member (4) which is mechanically linked to a valve needle (3) and cooperates with a valve-seat surface (6) of a valve-seat member (5) to form a sealing seat. A turbulence-producing element is provided in the valve-seat member (5), situated downstream from the sealing seat, and its center line (38) preferably forms an angle different from zero with the center line (39) of the fuel injector (1), a threaded rod (36) being pressed into the valve-seat member (5) as the turbulence-producing element.
Claims7
A fuel injector (1) for fuel injector systems of internal combustion engines, comprising a valve-closure member (4) which is mechanically linked to a valve needle (3) and cooperates with a valve-seat surface (6) of a valve-seat member (5) to form a sealing seat;
- a turbulence-producing element which is positioned in the valve-seat member (5) downstream from the sealing seat;
- and an injection orifice (7), wherein the turbulence-producing element is a threaded rod (36).
Dependencies are inferred from the claim text.