EP 0353657 A2 19900207 - Fuel injector.
Title (en)
Fuel injector.
Title (de)
Kraftstoffeinspritzventil.
Title (fr)
Injecteur de combustible.
Publication
Application
Priority
JP 19078388 A 19880730
Abstract (en)
An auxiliary sleeve (8) is movable together with a needle valve (9) at a first stage of lift so that a larger pressure receiving area (8a+9b+9c) is subjected to fuel pressure for driving the needle valve (9). At the second stage of lift, the needle valve (9) is movable solely so that a smaller pressure receiving area (9b+9c) is subjected to fuel pressure for driving the needle valve. A single nozzle spring (10) is utilized for urging the needle valve (9) and the auxiliary sleeve (8) in a predetermined direction.
IPC 1-7
IPC 8 full level
F02M 45/00 (2006.01); F02M 45/08 (2006.01); F02M 61/10 (2006.01); F02M 61/20 (2006.01)
CPC (source: EP)
F02M 45/08 (2013.01); F02M 61/20 (2013.01)
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 0353657 A2 19900207; EP 0353657 A3 19900919; EP 0353657 B1 19930120; DE 68904496 D1 19930304; DE 68904496 T2 19930812; JP H0240078 A 19900208
DOCDB simple family (application)
EP 89113992 A 19890728; DE 68904496 T 19890728; JP 19078388 A 19880730