EP 3607623 A1 20200212 - SPARK PLUG WITH IMPROVED TIGHTNESS
Title (en)
SPARK PLUG WITH IMPROVED TIGHTNESS
Title (de)
ZÜNDKERZE MIT VERBESSERTER DICHTHEIT
Title (fr)
BOUGIE D'ALLUMAGE PRÉSENTANT UNE ÉTANCHÉITÉ AMÉLIORÉE
Publication
Application
Priority
- DE 102017205828 A 20170405
- EP 2018056350 W 20180314
Abstract (en)
[origin: WO2018184801A1] The present invention relates to a spark plug, comprising an insulator (2), a housing (3), and a sealing washer (4) which is arranged between the insulator (2) and the housing (3), wherein the sealing washer (4) is deformable, wherein the insulator (2) has an annularly circumferential shoulder (20), against which the sealing washer (4) bears, and wherein the shoulder (20) has a radius (R1) which lies in a range from 0.20 mm to 0.60 mm.
IPC 8 full level
H01T 13/36 (2006.01)
CPC (source: EP RU US)
H01T 13/36 (2013.01 - EP RU US)
Citation (search report)
See references of WO 2018184801A1
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 2018184801 A1 20181011; BR 112019020680 A2 20200512; CN 110462948 A 20191115; CN 110462948 B 20210827; DE 102017205828 A1 20181011; EP 3607623 A1 20200212; JP 2020512674 A 20200423; JP 6916894 B2 20210811; RU 2019134490 A 20210505; RU 2019134490 A3 20210611; RU 2753101 C2 20210811; US 10916921 B2 20210209; US 2020014176 A1 20200109
DOCDB simple family (application)
EP 2018056350 W 20180314; BR 112019020680 A 20180314; CN 201880023288 A 20180314; DE 102017205828 A 20170405; EP 18711892 A 20180314; JP 2019553879 A 20180314; RU 2019134490 A 20180314; US 201816493030 A 20180314