Global Patent Index - EP 0904488 A1

EP 0904488 A1 19990331 - FUEL-INJECTION VALVE AND METHOD FOR PRODUCING A VALVE NEEDLE OF A FUEL-INJECTION VALVE

Title (en)

FUEL-INJECTION VALVE AND METHOD FOR PRODUCING A VALVE NEEDLE OF A FUEL-INJECTION VALVE

Title (de)

BRENNSTOFFEINSPRITZVENTIL UND VERFAHREN ZUR HERSTELLUNG EINER VENTILNADEL EINES BRENNSTOFFEINSPRITZVENTILS

Title (fr)

SOUPAPE D'INJECTION DE CARBURANT ET PROCEDE DE PRODUCTION D'UN POINTEAU D'UNE TELLE SOUPAPE

Publication

EP 0904488 A1 19990331 (DE)

Application

EP 97951114 A 19971211

Priority

  • DE 9702879 W 19971211
  • DE 19712589 A 19970326

Abstract (en)

[origin: DE19712589C1] The invention relates to a fuel-injection valve which has an axially moving valve needle (12), said valve needle comprising at least at least one closing element support (17) and one spherical valve-closing element (18). The closing element support (17) accommodates the valve-closing element (18) in a lower recess (38), an end area (37) of said closing element support (17) encompassing the valve-closing element (18) in the downstream direction beyond an equator (52) of said valve-closing element (18). The fixed connection between the valve-closing element (18) and the closing element support (17) is achieved by means of bordering. The fuel-injection valve is particularly suitable for use in fuel-injection systems of mixture-compression internal combustion engines with externally supplied ignition.

IPC 1-7

F02M 51/06; F02M 61/16

IPC 8 full level

F02M 51/06 (2006.01); F02M 51/08 (2006.01); F02M 61/12 (2006.01); F02M 61/16 (2006.01); F02M 61/18 (2006.01)

CPC (source: EP US)

F02M 51/0667 (2013.01 - EP US); F02M 51/0671 (2013.01 - EP US); F02M 51/0682 (2013.01 - EP US); F02M 61/163 (2013.01 - EP US); F02M 61/168 (2013.01 - EP US); Y10S 239/90 (2013.01 - EP US)

Citation (search report)

See references of WO 9842975A1

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

DE 19712589 C1 19980604; DE 59709237 D1 20030306; EP 0904488 A1 19990331; EP 0904488 B1 20030129; JP 2000511615 A 20000905; US 6079642 A 20000627; WO 9842975 A1 19981001

DOCDB simple family (application)

DE 19712589 A 19970326; DE 59709237 T 19971211; DE 9702879 W 19971211; EP 97951114 A 19971211; JP 54464598 A 19971211; US 18012698 A 19981102