Global Patent Index - EP 1378657 B1

EP 1378657 B1 20100811 - Fuel injector

Title (en)

Fuel injector

Title (de)

Brennstoffeinspritzventil

Title (fr)

Injecteur de carburant

Publication

EP 1378657 B1 20100811 (DE)

Application

EP 03012487 A 20030602

Priority

DE 10230089 A 20020704

Abstract (en)

[origin: EP1378657A2] There is a hydraulic coupling device (10) between the rod moved by the actuator and the spring-loaded valve rod, with upper (11) and lower (12) pistons. There is a fluid-filled gap (34) between the pistons. There is a sealed annular membrane (35) of C-shaped cross-section between a flange (32) and the narrow top portion of the upper piston. There is a sealing sleeve (36) surrounding the lower piston and connected to a bearing sleeve (37).

IPC 8 full level

F02M 51/06 (2006.01); F02M 61/08 (2006.01); F02M 61/16 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP)

F02M 51/0603 (2013.01); F02M 61/08 (2013.01); F02M 61/167 (2013.01); F02M 2200/703 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1378657 A2 20040107; EP 1378657 A3 20080305; EP 1378657 B1 20100811; DE 10230089 A1 20040115; DE 50312965 D1 20100923

DOCDB simple family (application)

EP 03012487 A 20030602; DE 10230089 A 20020704; DE 50312965 T 20030602