EP 3999735 A1 20220525 - FUEL INJECTOR
Title (en)
FUEL INJECTOR
Title (de)
KRAFTSTOFFINJEKTOR
Title (fr)
INJECTEUR DE CARBURANT
Publication
Application
Priority
- DE 102019210551 A 20190717
- EP 2020069222 W 20200708
Abstract (en)
[origin: WO2021008961A1] The invention relates to a fuel injector (10), comprising a nozzle body (12) in which a blind hole (19) is formed, wherein at least one injection opening (14) leads off same, comprising a nozzle needle (25; 25a to 25c) that is reciprocatingly movable along a longitudinal axis (18), wherein the nozzle needle (25; 25a-25c) has a valve seat (29) which forms a sealing seat (26) with a seating surface (21) in the nozzle body (12) in a lowered position of the nozzle needle (25; 25a-25c), and comprising at least one borehole (34; 34a-34c) in the nozzle needle (25; 25a-25c), wherein at least some portions of a borehole inlet (36) of the at least one borehole (34; 34a-34c) are located in the region of the seating surface (21) when the sealing seat (26) is formed, and a borehole outlet (40) of the at least one borehole (34; 34a-34c) is located below the valve seat (29) of the nozzle needle (25; 25a-25c) in the direction of the longitudinal axis (18).
IPC 8 full level
F02M 61/04 (2006.01); F02M 61/18 (2006.01)
CPC (source: CN EP US)
F02M 61/042 (2013.01 - CN EP US); F02M 61/12 (2013.01 - US); F02M 61/1866 (2013.01 - CN); F02M 61/1886 (2013.01 - CN EP US); F02M 61/1893 (2013.01 - CN EP US); F02M 2200/06 (2013.01 - US)
Citation (search report)
See references of WO 2021008961A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102019210551 A1 20210121; CN 114402134 A 20220426; CN 114402134 B 20230718; EP 3999735 A1 20220525; US 2022298999 A1 20220922; WO 2021008961 A1 20210121
DOCDB simple family (application)
DE 102019210551 A 20190717; CN 202080064995 A 20200708; EP 2020069222 W 20200708; EP 20739328 A 20200708; US 202017627955 A 20200708