SEAL ARRANGEMENT FOR A FUEL INJECTOR ACTUATOR

SEAL ARRANGEMENT FOR A FUEL INJECTOR ACTUATOR

A seal arrangement (50) configured to provide a seal for an actuator against an internal bore of a fuel injector. The seal arrangement comprises a seal member (52) having a longitudinal axis (L) and defining a high pressure side (60) and a low pressure side (62); and one or more terminal passages (6...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LALE, Xavier, BIMBENET, Bruno
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:A seal arrangement (50) configured to provide a seal for an actuator against an internal bore of a fuel injector. The seal arrangement comprises a seal member (52) having a longitudinal axis (L) and defining a high pressure side (60) and a low pressure side (62); and one or more terminal passages (68) defined in the seal member (52) for accommodating a respective one or more electrical terminals (46). The seal member (52) includes an outer sealing surface (61) configured such that contact pressure between the outer sealing surface (61) and a mating surface (91 )of the bore increases in dependence on a pressure differential between the high pressure side (60) and the low pressure side (62), in use.