Global Patent Index - EP 3169887 B1

EP 3169887 B1 20181219 - METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE

Title (en)

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE

Title (de)

VERFAHREN ZUM BETREIBEN EINER BRENNKRAFTMASCHINE, EINSPRITZSYSTEM FÜR EINE BRENNKRAFTMASCHINE SOWIE BRENNKRAFTMASCHINE

Title (fr)

PROCÉDÉ PERMETTANT DE FAIRE FONCTIONNER UN MOTEUR À COMBUSTION INTERNE, SYSTÈME D'INJECTION POUR MOTEUR À COMBUSTION INTERNE ET MOTEUR À COMBUSTION INTERNE

Publication

EP 3169887 B1 20181219 (DE)

Application

EP 15733627 A 20150626

Priority

  • DE 102014213648 A 20140714
  • EP 2015001303 W 20150626

Abstract (en)

[origin: WO2016008565A1] The invention relates to a method for operating an internal combustion engine (1) comprising an injection system (3) which has a high-pressure accumulator (13), wherein a high pressure in the high-pressure accumulator (13) is regulated via a suction throttle (9) on the low-pressure side as a first pressure control member in a first high-pressure control loop (25), wherein in a normal operation a high-pressure disturbance variable is produced via a pressure control valve (19) on the high-pressure side as a second pressure control member, via which fuel is redirected from the high-pressure accumulator (13) to a fuel reservoir (7). For this purpose, the high pressure in a safety operation is regulated by means of the pressure control valve (19) via a second high-pressure control loop (39), or, in the safety operation, a maximum fuel volume flow is continuously redirected from the high-pressure accumulator (13) to the fuel reservoir (7) via the pressure control valve (19).

IPC 8 full level

F02D 41/38 (2006.01); F02M 63/02 (2006.01)

CPC (source: CN EP US)

F02D 41/22 (2013.01 - CN EP US); F02D 41/3845 (2013.01 - CN EP US); F02D 41/3863 (2013.01 - CN EP US); F02M 59/46 (2013.01 - US); F02M 63/023 (2013.01 - US); F02M 63/025 (2013.01 - CN); F02D 2041/1418 (2013.01 - CN EP US); F02D 2041/223 (2013.01 - CN EP US); F02D 2041/226 (2013.01 - US); F02D 2200/0802 (2013.01 - CN EP US); F02M 63/0225 (2013.01 - US); F02M 63/025 (2013.01 - EP US); F02M 2200/40 (2013.01 - US)

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 RS SE SI SK SM TR

DOCDB simple family (publication)

DE 102014213648 B3 20151008; CN 106489022 A 20170308; CN 106489022 B 20190903; EP 3169887 A1 20170524; EP 3169887 B1 20181219; US 10787987 B2 20200929; US 2017067409 A1 20170309; WO 2016008565 A1 20160121

DOCDB simple family (application)

DE 102014213648 A 20140714; CN 201580038233 A 20150626; EP 15733627 A 20150626; EP 2015001303 W 20150626; US 201515122830 A 20150626