ELECTROMAGNETIC ACTUATOR

The invention relates to an electromagnetic actuator (20) of a diesel fuel injector (10), the actuator (20) comprising: - a fixed electrical coil (22) provided with an axial blind hole (34), - a resilient device (30) compressed between a pin (32) and a control rod (26) moving towards the coil (22) w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIT, Romain, TAPIN, Christophe, THIBAULT, Thierry
Format:	Patent
Sprache:	eng ; fre ; 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 invention relates to an electromagnetic actuator (20) of a diesel fuel injector (10), the actuator (20) comprising: - a fixed electrical coil (22) provided with an axial blind hole (34), - a resilient device (30) compressed between a pin (32) and a control rod (26) moving towards the coil (22) when the latter is electrically energised, the resilient device (30) permanently urging a valve assembly (28) comprising the control rod (26) attached to a magnetic armature (24) towards a position remote from the coil (22), the valve assembly (28) comprising the resilient device (30) being arranged in a blind hole (34), characterised in that the resilient device (30) comprises a resilient member (36) and a heat-shrinkable element (38) encapsulating the resilient member (36).