Fuel injection nozzle for diesel engine - has thin sleeve projecting into cylinder to prevent coking of injection nozzle by different thermal expansion

Fuel injection nozzle for diesel engine - has thin sleeve projecting into cylinder to prevent coking of injection nozzle by different thermal expansion

The ijector has a body (10) with a space inside it which terminates in a conical valve seat (16). There is a cylindrical injection opening (17) from the valve seat into the engine cylinder. A valve needle (11) within the injector body has a valve face (12) which closes on the seat (16). The needle h...

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Bibliographische Detailangaben
Hauptverfasser: ITOH,KATSUCKI, KOMAROFF,IWAN
Format: Patent
Sprache:eng ; ger
Schlagworte:
BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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Beschreibung
Zusammenfassung:The ijector has a body (10) with a space inside it which terminates in a conical valve seat (16). There is a cylindrical injection opening (17) from the valve seat into the engine cylinder. A valve needle (11) within the injector body has a valve face (12) which closes on the seat (16). The needle has a cylindrical projection (13) below this through the injector opening. The body has a thin cylindrical sleeve (19) concentric with the opening projecting below the body into the cylinder. This is heated by the cylinder on the outside and cooled by the fuel on the inside. The resulting distortion shakes free carbon deposits.