Global Patent Index - EP 1604105 B1

EP 1604105 B1 20070815 - FUEL INJECTION VALVE

Title (en)

FUEL INJECTION VALVE

Title (de)

BRENNSTOFFEINSPRITZVENTIL

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT

Publication

EP 1604105 B1 20070815 (DE)

Application

EP 04705047 A 20040126

Priority

  • DE 2004000112 W 20040126
  • DE 10310499 A 20030311

Abstract (en)

[origin: DE10310499A1] The fuel injection valve (1) has a piezoelectric, electrostrictive or magnetostrictive actuator (3), cooperating with a valve needle (6), acted on by a resetting spring (9), for operation of a valve closure (7) and a hydraulic coupler (4) having a piston (25) provided with an internal hollow space (40) communicating with the coupling space (27) provided between the piston and a reception opening (24), for acting as a pressure equalization chamber.

IPC 8 full level

F02M 61/16 (2006.01); F02M 51/06 (2006.01); F02M 61/08 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP)

F02M 51/0603 (2013.01); F02M 61/08 (2013.01); F02M 61/167 (2013.01)

Citation (examination)

None

Designated contracting state (EPC)

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

DOCDB simple family (publication)

DE 10310499 A1 20040923; AT 370324 T 20070915; DE 502004004646 D1 20070927; EP 1604105 A1 20051214; EP 1604105 B1 20070815; JP 2006510848 A 20060330; US 2006043213 A1 20060302; WO 2004081372 A1 20040923

DOCDB simple family (application)

DE 10310499 A 20030311; AT 04705047 T 20040126; DE 2004000112 W 20040126; DE 502004004646 T 20040126; EP 04705047 A 20040126; JP 2005518244 A 20040126; US 54022505 A 20050621