Fuel injection valve for fuel injectors of a combustion engine comprises a valve seat body having a valve seat surface interacting with a closing body which has an extension downstream of the valve seat surface

摘要

Fuel injection valve comprises a valve seat body (5) having a valve seat surface (6) interacting with a closing body (4) which has an extension (37) downstream of the valve seat surface and upstream of an injection opening (7). Preferred Features: The extension extends in a dead volume formed between the valve seat body, the closing body and the valve seat surface. The outer contour of the extension is conical.