Sealed two piece injector

摘要

The present disclosure relates to an injection nozzle system (10) for an internal combustion engine. The injection nozzle system (10) includes a needle (12), a needle guide member (14), and a ceramic hood (30). At an injection side of the injection nozzle system (10), a sealing ring (100) may be arranged in a sealing ring recess (102) to provide a sealing between needle guide member (14) and ceramic hood (30) for reducing leakage of fuel during operation of the internal combustion engine.