Global Patent Index - EP 1450034 B1

EP 1450034 B1 20080409 - Fuel injector

Title (en)

Fuel injector

Title (de)

Brennstoffeinspritzventil

Title (fr)

Injecteur de carburant

Publication

EP 1450034 B1 20080409 (DE)

Application

EP 03025329 A 20031104

Priority

DE 10307816 A 20030224

Abstract (en)

[origin: EP1450034A1] Fuel injection valve (1) for direct injection of fuel into a combustion chamber of an internal combustion engine comprises an excitable actuator (2), a valve needle (26) actuating a valve-closing body (27) forming a sealing seat together with a valve seat surface (28), and a hydraulic coupler (6) having a hydraulic volume (10) and a compensation chamber (19). The volume of the compensation chamber is changed by a membrane (20). Preferred Features: The membrane is moved by silicone oil between a first position corresponding to a maximum compensation chamber and a second position corresponding to a minimum compensation chamber.

IPC 8 full level

F02M 51/06 (2006.01); F02M 61/08 (2006.01); F02M 61/10 (2006.01); F02M 61/16 (2006.01); F02M 61/12 (2006.01)

CPC (source: EP)

F02M 51/0603 (2013.01); F02M 61/08 (2013.01); F02M 61/10 (2013.01); F02M 61/167 (2013.01); F02M 61/12 (2013.01); F02M 2200/9084 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1450034 A1 20040825; EP 1450034 B1 20080409; AT E391850 T1 20080415; DE 10307816 A1 20040902; DE 50309573 D1 20080521

DOCDB simple family (application)

EP 03025329 A 20031104; AT 03025329 T 20031104; DE 10307816 A 20030224; DE 50309573 T 20031104