EP 2984328 A1 20160217 - FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES
Title (en)
FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES
Title (de)
KRAFTSTOFFEINSPRITZVENTIL FÜR BRENNKRAFTMASCHINEN
Title (fr)
INJECTEUR DE CARBURANT POUR MOTEURS A COMBUSTION INTERNE
Publication
Application
Priority
- DE 102013206383 A 20130411
- EP 2014052642 W 20140211
Abstract (en)
[origin: WO2014166651A1] The invention relates to a fuel injection valve for internal combustion engines for injecting highly pressurized fuel, comprising a pressure chamber (14) and a control valve (30) formed in a valve body (4). A nozzle needle (10) is arranged in the pressure chamber (14) in a longitudinally movable manner, said nozzle needle interacting with a nozzle seat (13) by means of the longitudinal movement of the nozzle needle and thereby opening and closing at least one injection opening (12). The nozzle needle (10) is subjected to a closing force directed in the direction of the nozzle seat (13) as a result of the pressure in a control chamber (20). The pressure in the control chamber (20) can be adjusted by means of the control valve (30), said control valve (30) comprising a control valve chamber (31) which can be connected to the control chamber (20) and in which a control valve element (34) is arranged in a longitudinally movable manner. An outlet throttle (1) connects the control chamber (20) to the control valve chamber (31), and an inlet throttle (3) connects the control chamber (14) to the valve chamber (31) in a switchable manner. The control valve chamber (31) can be connected to the control chamber (20) by means of a bypass (2), wherein the control valve element (34) can open and close the bypass (2) and the inlet throttle (3).
IPC 8 full level
F02M 47/02 (2006.01); F02M 63/00 (2006.01)
CPC (source: EP)
F02M 47/027 (2013.01); F02M 61/12 (2013.01); F02M 63/0033 (2013.01); F02M 63/0077 (2013.01); F02M 63/0078 (2013.01); F02M 63/0017 (2013.01); F02M 63/0026 (2013.01); F02M 2200/28 (2013.01); F02M 2547/001 (2013.01)
Citation (search report)
See references of WO 2014166651A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102013206383 A1 20141016; CN 105102804 A 20151125; CN 105102804 B 20180427; EP 2984328 A1 20160217; EP 2984328 B1 20180411; WO 2014166651 A1 20141016
DOCDB simple family (application)
DE 102013206383 A 20130411; CN 201480019989 A 20140211; EP 14703854 A 20140211; EP 2014052642 W 20140211