Global Patent Index - EP 2386745 B1

EP 2386745 B1 20130213 - A fuel injector for internal combustion engines

Title (en)

A fuel injector for internal combustion engines

Title (de)

Kraftstoffinjektor für Verbrennungsmotoren

Title (fr)

Injecteur de carburant pour moteurs à combustion interne

Publication

EP 2386745 B1 20130213 (EN)

Application

EP 10162498 A 20100511

Priority

EP 10162498 A 20100511

Abstract (en)

[origin: EP2386745A1] A fuel injector for internal combustion engines, comprising: - a valve guide (12) having a longitudinal guide bore (14) and a chamber (16) provided with a valve seat (20), said chamber (26) being connected to a fuel supply duct (18); - an atomizer (26) fixed at a lower end of said valve guide (12), the atomizer (26) having a longitudinal bore (40) in flow connection with said chamber (26) through said valve seat (20), the atomizer having a plurality of nozzle bores (42', 42'') having inner openings (44', 44'') facing into said longitudinal bore (40); and - an axially movable spindle (48) having a valve portion (52) cooperating with said valve seat (20) and a cut-off element (54) extending into said longitudinal bore (40) of the atomizer (26), the cut-off element (54) having a cylindrical sealing portion (56) in sealing contact with a cylindrical sealing surface (58) of said longitudinal bore (40) and a central duct (60) establishing a fluid connection between an upper region (64) and a lower region (70) of said longitudinal bore (40).

IPC 8 full level

F02M 45/08 (2006.01); F02M 61/04 (2006.01); F02M 61/06 (2006.01); F02M 61/12 (2006.01); F02M 61/18 (2006.01)

CPC (source: EP KR)

F02M 45/08 (2013.01 - EP KR); F02M 61/042 (2013.01 - EP KR); F02M 61/06 (2013.01 - EP KR); F02M 61/12 (2013.01 - EP KR); F02M 61/182 (2013.01 - EP KR); F02M 61/1873 (2013.01 - EP KR); F02M 2200/06 (2013.01 - EP KR)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

EP 2386745 A1 20111116; EP 2386745 B1 20130213; CN 102242684 A 20111116; CN 102242684 B 20160127; DK 2386745 T3 20130304; JP 2011236887 A 20111124; JP 5932227 B2 20160608; KR 101822195 B1 20180308; KR 20110124699 A 20111117

DOCDB simple family (application)

EP 10162498 A 20100511; CN 201110120946 A 20110511; DK 10162498 T 20100511; JP 2011042889 A 20110228; KR 20110026007 A 20110323