UNIT INJECTOR IN DIESEL ENGINE

The unit injector reduces noise and vibration of the diesel engine at the low speed by separating a compression chamber from a needle chamber and installing an orifice valve in the needle chamber. The injection quantity is minutely controllable because a plug on one side of the compression chamber c...

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Bibliographische Detailangaben
Hauptverfasser:	KANG CHUL, LEE SANG-RYUNG, CHO YOUNG-SUN, KIM TAEK-SUNG
Format:	Patent
Sprache:	eng
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 unit injector reduces noise and vibration of the diesel engine at the low speed by separating a compression chamber from a needle chamber and installing an orifice valve in the needle chamber. The injection quantity is minutely controllable because a plug on one side of the compression chamber can change the chamber volume. The unit injector comprises a spring seat (17) inserted into a groove (15) of a support (13) within the needle chamber (14), a seat (18) positioned at the upper part of a compressed spring (16), a spring (21) inserted into a valve hole (18a) of the seat (18), the orifice valve (23) having a hole (22) for adjusting the injection ratio, and a support disk (25) having a center hole (24).