Global Patent Index - EP 2021617 A1

EP 2021617 A1 2009-02-11 - FUEL INJECTOR COMPRISING A PRESSURE-COMPENSATED CONTROL VALVE

Title (en)

FUEL INJECTOR COMPRISING A PRESSURE-COMPENSATED CONTROL VALVE

Title (de)

KRAFTSTOFFINJEKTOR MIT DRUCKAUSGEGLICHENEM STEUERVENTIL

Title (fr)

INJECTEUR DE CARBURANT COMPORTANT UNE SOUPAPE DE COMMANDE À COMPENSATION DE PRESSION

Publication

EP 2021617 A1 (DE)

Application

EP 07727028 A

Priority

  • EP 2007052550 W
  • DE 102006021736 A

Abstract (en)

[origin: WO2007128612A1] The invention relates to a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine. According to invention, an injection valve member is controlled by a control valve that is embodied as a magnetic valve (3) for opening and closing at least one injection orifice. The armature (9) of the magnetic valve (3) comprises a sealing surface (8) that can be positioned in a valve seat (10) for closing the control valve. The armature (9) can be displaced without an armature guide between an upper and a lower stroke stop and a pressure pin (12) for receiving axial pressure forces is arranged in a bore (11) in the armature (9).

IPC 8 full level (invention and additional information)

F02M 47/02 (2006.01); F02M 63/00 (2006.01)

CPC (invention and additional information)

F02M 47/027 (2013.01); F02M 63/0015 (2013.01); F02M 63/0031 (2013.01); F02M 63/008 (2013.01); F02M 2547/003 (2013.01)

Citation (search report)

See references of WO 2007128612A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

DE 102006021736 A1 20071115; AT 534815 T 20111215; CN 101490405 A 20090722; CN 101490405 B 20120418; EP 2021617 A1 20090211; EP 2021617 B1 20111123; JP 2009536288 A 20091008; JP 2012137097 A 20120719; JP 5054762 B2 20121024; JP 5783947 B2 20150924; RU 2008148287 A 20100620; RU 2451821 C2 20120527; US 2009159727 A1 20090625; US 8371516 B2 20130212; WO 2007128612 A1 20071115

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