FUEL INJECTOR

摘要

The invention relates to a fuel injector (10), particularly a common rail fuel injector, with a valve housing (11) that can be inserted into a receiving opening (106) of a cylinder head (100) in an internal combustion engine and, when in the installed position, has a first valve housing section (12) facing a combustion chamber (101) in the internal combustion engine. The first valve housing section (12) is made of metal and is radially surrounded on the side facing the combustion chamber (101) by a sealing element (20) that can be inserted into the annular space between the first valve housing section (12) and the receiving opening (106) in the region of a first receiving bore section (107).

主权项

1. A fuel injector (10), comprising a valve housing (11) which can be inserted into a receiving opening (106) of a cylinder head (100) of an internal combustion engine and, in an installed position, has a first valve housing portion (12) facing a combustion chamber (101) of the internal combustion engine, wherein the first valve housing portion (12) is composed of metal and, on a side facing the combustion chamber (101), is surrounded radially by a sealing element (20) which is configured to be inserted into an annular space between the first valve housing portion (12) and the receiving opening (106) in a region of a first receiving bore portion (107), characterized in that the sealing element (20) is positioned on the first valve housing portion (12) in an axial direction by an additional element (21) that is a separate component.