Global Patent Index - EP 1144861 A1

EP 1144861 A1 20011017 - PRESSURE TRANSMITTER FOR A FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES INVOLVING HYDRAULICALLY SUPPORTED REFILLING

Title (en)

PRESSURE TRANSMITTER FOR A FUEL INJECTION SYSTEM FOR INTERNAL COMBUSTION ENGINES INVOLVING HYDRAULICALLY SUPPORTED REFILLING

Title (de)

DRUCKUBERSETZER FUR EIN KRAFTSTOFFEINSPRITZSYSTEM FUR BRENNKRAFTMASCHINEN

Title (fr)

MULTIPLICATEUR DE PRESSION POUR SYSTEME D'INJECTION DE CARBURANT POUR MOTEURS A COMBUSTION INTERNE A REMPLISSAGE ASSISTE HYDRAULIQUEMENT

Publication

EP 1144861 A1 20011017 (DE)

Application

EP 00974337 A 20000928

Priority

  • DE 0003386 W 20000928
  • DE 19949525 A 19991014

Abstract (en)

[origin: DE19949525A1] The invention relates to an injection system for internal combustion engines having a pressure transmitter. The stepped piston (5) of the pressure transmitter is moved backwards into the original position thereof by means of a pressure wave. The second pressure chamber (3) or the injection nozzle (21) is simultaneously refilled from the leak-oil return (39).

IPC 1-7

F02M 63/00; F02M 59/10

IPC 8 full level

F02M 47/00 (2006.01); F02M 59/10 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP US)

F02M 59/105 (2013.01 - EP US); F02M 63/0007 (2013.01 - EP US)

Citation (search report)

See references of WO 0127466A1

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

DE 19949525 A1 20010426; DE 19949525 B4 20050901; EP 1144861 A1 20011017; JP 2003511626 A 20030325; US 6443129 B1 20020903; WO 0127466 A1 20010419

DOCDB simple family (application)

DE 19949525 A 19991014; DE 0003386 W 20000928; EP 00974337 A 20000928; JP 2001529580 A 20000928; US 86804901 A 20010905