Global Patent Index - EP 3775527 A1

EP 3775527 A1 20210217 - INJECTOR FOR INJECTING FUEL

Title (en)

INJECTOR FOR INJECTING FUEL

Title (de)

INJEKTOR ZUM EINSPRITZEN VON KRAFTSTOFF

Title (fr)

INJECTEUR SERVANT À L'INJECTION DE CARBURANT

Publication

EP 3775527 A1 20210217 (DE)

Application

EP 19719228 A 20190417

Priority

  • DE 102018109206 A 20180418
  • EP 2019059954 W 20190417

Abstract (en)

[origin: WO2019202008A1] The present invention relates to an injector for injecting fuel, comprising: - a seat plate having a passage throttle; - a valve insert, which is arranged on one of the flat sides of the seat plate; - a valve guide for slidably holding the valve insert; - a nozzle needle, which is arranged on the side of the valve insert opposite the seat plate; - a spring sleeve, which surrounds a portion of the nozzle needle; - a valve chamber for receiving fuel, the valve chamber being delimited by the seat plate and the valve insert and extending to the passage throttle of the seat plate; - a control chamber for receiving fuel, the control chamber being delimited by the valve insert, the spring sleeve and the nozzle needle; and - a line, which connects the control chamber and the valve chamber to each other, the line being arranged in the valve guide. The invention is distinguished, inter alia, in that the line is closed by placement of the valve insert onto the spring sleeve.

IPC 8 full level

F02M 47/02 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP US)

F02M 47/027 (2013.01 - EP US); F02M 63/0029 (2013.01 - EP US); F02M 63/0035 (2013.01 - EP US); F02M 63/0071 (2013.01 - EP US); F02M 2547/008 (2013.01 - EP US)

Citation (search report)

See references of WO 2019202008A1

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)

WO 2019202008 A1 20191024; CN 112041555 A 20201204; CN 112041555 B 20220816; DE 102018109206 A1 20191024; EP 3775527 A1 20210217; EP 3775527 B1 20220302; ES 2913416 T3 20220602; US 11499513 B2 20221115; US 2021164429 A1 20210603

DOCDB simple family (application)

EP 2019059954 W 20190417; CN 201980026886 A 20190417; DE 102018109206 A 20180418; EP 19719228 A 20190417; ES 19719228 T 20190417; US 201917048534 A 20190417