Global Patent Index - EP 1373715 B1

EP 1373715 B1 20050105 - FUEL-INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES

Title (en)

FUEL-INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES

Title (de)

KRAFTSTOFFEINSPRITZVENTIL FÜR BRENNKRAFTMASCHINEN

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT POUR MOTEURS A COMBUSTION INTERNE

Publication

EP 1373715 B1 20050105 (DE)

Application

EP 02727266 A 20020326

Priority

  • DE 0201091 W 20020326
  • DE 10115216 A 20010328

Abstract (en)

[origin: WO02077445A1] The invention relates to a fuel-injection valve for internal combustion engines comprising a valve body (1), in a bore (3) of which, a piston-shaped valve member (5) can be longitudinally displaced. At least one section of the length of the valve member (5) is surrounded by a pressure chamber (7) that can be filled with fuel. A valve seat (18) is configured in the bore (3) at the combustion chamber end. In a closed position, the valve member (5) comes to rest on a valve sealing surface (26), in such a way that the pressure chamber (7) is separated from at least one injection opening (20) that lies downstream of the valve sealing surface (26). A first annular groove (30) and a second annular groove (32) lying parallel to the first and axially facing the valve seat (18) are configured in the end region of the valve member (5), the valve sealing surface (26) being located between the two annular grooves (30; 32).

IPC 1-7

F02M 61/18; F02M 61/04

IPC 8 full level

F02M 61/04 (2006.01); F02M 61/18 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP)

F02M 61/047 (2013.01); F02M 61/1873 (2013.01); F02M 2200/30 (2013.01)

Designated contracting state (EPC)

DE FR GB TR

DOCDB simple family (publication)

WO 02077445 A1 20021003; DE 10115216 A1 20021010; DE 50201953 D1 20050210; EP 1373715 A1 20040102; EP 1373715 B1 20050105; JP 2004518890 A 20040624; US 2003173428 A1 20030918; US 6923388 B2 20050802

DOCDB simple family (application)

DE 0201091 W 20020326; DE 10115216 A 20010328; DE 50201953 T 20020326; EP 02727266 A 20020326; JP 2002575467 A 20020326; US 29671203 A 20030519