Global Patent Index - EP 1454056 B1

EP 1454056 B1 20051012 - FUEL INJECTION VALVE

Title (en)

FUEL INJECTION VALVE

Title (de)

BRENNSTOFFEINSPRITZVENTIL

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT

Publication

EP 1454056 B1 20051012 (DE)

Application

EP 02805246 A 20021125

Priority

  • DE 0204317 W 20021125
  • DE 10159750 A 20011205

Abstract (en)

[origin: US2004124274A1] A fuel injector (1) for the direct injection of fuel into the combustion chamber of an internal combustion engine encompasses a piezoelectric or magnetostrictive actuator (3), a valve needle (10) actuable by the actuator (3), the valve needle (10) cooperating with a valve-closure member (17) to form a sealing seat (25) together with a valve-seat member (18), and a restoring spring (20) by which the valve needle (10) is acted on in a closing direction. The valve needle (10) is pressure-equalized in that the force exerted by the fuel pressure on the valve needle (10) in the opening direction is approximately equal to the force exerted by the fuel pressure on the valve needle (10) in the closing direction.

IPC 1-7

F02M 61/08; F02M 51/06

IPC 8 full level

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

CPC (source: EP KR US)

F02M 51/0603 (2013.01 - EP US); F02M 61/08 (2013.01 - EP KR US); F02M 2200/315 (2013.01 - EP US)

Citation (examination)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

US 2004124274 A1 20040701; US 6892956 B2 20050517; AT E306614 T1 20051015; DE 10159750 A1 20030612; DE 50204560 D1 20060223; EP 1454056 A1 20040908; EP 1454056 B1 20051012; JP 2005513336 A 20050512; JP 4335685 B2 20090930; KR 100935810 B1 20100108; KR 20040066857 A 20040727; WO 03054382 A1 20030703

DOCDB simple family (application)

US 46703904 A 20040106; AT 02805246 T 20021125; DE 0204317 W 20021125; DE 10159750 A 20011205; DE 50204560 T 20021125; EP 02805246 A 20021125; JP 2003555067 A 20021125; KR 20047008405 A 20021125