Global Patent Index - EP 1273780 B1

EP 1273780 B1 20070328 - Procedure for operating an internal combustion engine particularly in a motor vehicle

Title (en)

Procedure for operating an internal combustion engine particularly in a motor vehicle

Title (de)

Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs

Title (fr)

Procédé de commande d'un moteur à combustion en particulier d'une automobile

Publication

EP 1273780 B1 20070328 (DE)

Application

EP 02012228 A 20020604

Priority

DE 10131506 A 20010702

Abstract (en)

[origin: EP1273780A2] The engine has a pressure accumulator (17), in which the pressure is limited to a nominal value relative to an offset value. During overrun operation, no fuel is injected by a valve (21), and the offset value is reduced to a minimum or even to zero. Overrun operation is recognized by comparing the actual volume flow through the high pressure pump (16) feeding the accumulator, and the volume flow during zero feed. The method is carried out by a computer-controlled program.

IPC 8 full level

F02D 41/12 (2006.01); F02M 37/00 (2006.01); F02D 41/38 (2006.01); F02D 45/00 (2006.01); F02M 51/02 (2006.01); F02M 55/02 (2006.01)

CPC (source: EP)

F02D 41/123 (2013.01); F02D 41/3863 (2013.01); F02D 41/3845 (2013.01); F02D 2041/389 (2013.01); F02D 2200/0602 (2013.01); F02D 2250/31 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1273780 A2 20030108; EP 1273780 A3 20050105; EP 1273780 B1 20070328; DE 10131506 A1 20030123; DE 50209819 D1 20070510; JP 2003056384 A 20030226; JP 4262451 B2 20090513

DOCDB simple family (application)

EP 02012228 A 20020604; DE 10131506 A 20010702; DE 50209819 T 20020604; JP 2002191851 A 20020701