Global Patent Index - EP 1307648 B1

EP 1307648 B1 20051228 - FUEL-INJECTION VALVE

Title (en)

FUEL-INJECTION VALVE

Title (de)

BRENNSTOFFEINSPRITZVENTIL

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT

Publication

EP 1307648 B1 (DE)

Application

EP 01962561 A

Priority

  • DE 0102700 W
  • DE 10036811 A

Abstract (en)

[origin: WO0210584A1] The invention relates to a fuel-injection valve (1) for fuel-injection systems in internal combustion engines. Said valve comprises a solenoid (10), a valve needle (3) which is impinged by a return spring (23) in a closing direction to actuate a valve closing body (4), said body together with a valve seat surface (6) forming a tight seat, and an armature (20), which is connected to the valve needle (3) by non-positive fit. A first guide sleeve (35) and a second guide sleeve (36) are connected to the valve needle (3). The armature (20) has a degree of radial play in relation to the valve needle (3), said play being formed by a central bore (34), whose diameter is greater than the diameter of the valve needle (3).

IPC 1-7

F02M 51/06; F02M 61/20

IPC 8 full level

F02M 51/06 (2006.01); F02M 61/16 (2006.01); F02M 61/20 (2006.01)

CPC (source: EP)

F02M 51/0671 (2013.01); F02M 51/0685 (2013.01); F02M 61/12 (2013.01); F02M 61/205 (2013.01); F02M 61/165 (2013.01); Y10S 239/90 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

WO 0210584 A1 20020207; DE 10036811 A1 20020207; DE 50108563 D1 20060202; EP 1307648 A1 20030507; EP 1307648 B1 20051228; JP 2004505205 A 20040219; US 2003047626 A1 20030313; US 6824084 B2 20041130

DOCDB simple family (application)

DE 0102700 W 20010718; DE 10036811 A 20000728; DE 50108563 T 20010718; EP 01962561 A 20010718; JP 2002516479 A 20010718; US 8958402 A 20020729